pub enum Color {
Rgba {
red: f32,
green: f32,
blue: f32,
alpha: f32,
},
RgbaLinear {
red: f32,
green: f32,
blue: f32,
alpha: f32,
},
Hsla {
hue: f32,
saturation: f32,
lightness: f32,
alpha: f32,
},
Lcha {
lightness: f32,
chroma: f32,
hue: f32,
alpha: f32,
},
}Variants§
Rgba
Fields
sRGBA color
RgbaLinear
Fields
RGBA color in the Linear sRGB colorspace (often colloquially referred to as “linear”, “RGB”, or “linear RGB”).
Hsla
Fields
HSL (hue, saturation, lightness) color with an alpha channel
Lcha
Fields
LCH(ab) (lightness, chroma, hue) color with an alpha channel
Implementations§
source§impl Color
impl Color
sourcepub const ALICE_BLUE: Color = _
pub const ALICE_BLUE: Color = _
sourcepub const ANTIQUE_WHITE: Color = _
pub const ANTIQUE_WHITE: Color = _
sourcepub const AQUAMARINE: Color = _
pub const AQUAMARINE: Color = _
sourcepub const DARK_GREEN: Color = _
pub const DARK_GREEN: Color = _
sourcepub const LIME_GREEN: Color = _
pub const LIME_GREEN: Color = _
sourcepub const MIDNIGHT_BLUE: Color = _
pub const MIDNIGHT_BLUE: Color = _
sourcepub const ORANGE_RED: Color = _
pub const ORANGE_RED: Color = _
sourcepub const YELLOW_GREEN: Color = _
pub const YELLOW_GREEN: Color = _
sourcepub const fn rgb(r: f32, g: f32, b: f32) -> Color
pub const fn rgb(r: f32, g: f32, b: f32) -> Color
New Color from sRGB colorspace.
§Arguments
r- Red channel. [0.0, 1.0]g- Green channel. [0.0, 1.0]b- Blue channel. [0.0, 1.0]
See also Color::rgba, Color::rgb_u8, Color::hex.
Examples found in repository?
examples/games/game_menu.rs (line 7)
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324
const TEXT_COLOR: Color = Color::rgb(0.9, 0.9, 0.9);
// Enum that will be used as a global state for the game
#[derive(Clone, Copy, Default, Eq, PartialEq, Debug, Hash, States)]
enum GameState {
#[default]
Splash,
Menu,
Game,
}
// One of the two settings that can be set through the menu. It will be a resource in the app
#[derive(Resource, Debug, Component, PartialEq, Eq, Clone, Copy)]
enum DisplayQuality {
Low,
Medium,
High,
}
// One of the two settings that can be set through the menu. It will be a resource in the app
#[derive(Resource, Debug, Component, PartialEq, Eq, Clone, Copy)]
struct Volume(u32);
fn main() {
App::new()
.add_plugins(DefaultPlugins)
// Insert as resource the initial value for the settings resources
.insert_resource(DisplayQuality::Medium)
.insert_resource(Volume(7))
// Declare the game state, whose starting value is determined by the `Default` trait
.init_state::<GameState>()
.add_systems(Startup, setup)
// Adds the plugins for each state
.add_plugins((splash::splash_plugin, menu::menu_plugin, game::game_plugin))
.run();
}
fn setup(mut commands: Commands) {
commands.spawn(Camera2dBundle::default());
}
mod splash {
use bevy::prelude::*;
use super::{despawn_screen, GameState};
// This plugin will display a splash screen with Bevy logo for 1 second before switching to the menu
pub fn splash_plugin(app: &mut App) {
// As this plugin is managing the splash screen, it will focus on the state `GameState::Splash`
app
// When entering the state, spawn everything needed for this screen
.add_systems(OnEnter(GameState::Splash), splash_setup)
// While in this state, run the `countdown` system
.add_systems(Update, countdown.run_if(in_state(GameState::Splash)))
// When exiting the state, despawn everything that was spawned for this screen
.add_systems(OnExit(GameState::Splash), despawn_screen::<OnSplashScreen>);
}
// Tag component used to tag entities added on the splash screen
#[derive(Component)]
struct OnSplashScreen;
// Newtype to use a `Timer` for this screen as a resource
#[derive(Resource, Deref, DerefMut)]
struct SplashTimer(Timer);
fn splash_setup(mut commands: Commands, asset_server: Res<AssetServer>) {
let icon = asset_server.load("branding/icon.png");
// Display the logo
commands
.spawn((
NodeBundle {
style: Style {
align_items: AlignItems::Center,
justify_content: JustifyContent::Center,
width: Val::Percent(100.0),
height: Val::Percent(100.0),
..default()
},
..default()
},
OnSplashScreen,
))
.with_children(|parent| {
parent.spawn(ImageBundle {
style: Style {
// This will set the logo to be 200px wide, and auto adjust its height
width: Val::Px(200.0),
..default()
},
image: UiImage::new(icon),
..default()
});
});
// Insert the timer as a resource
commands.insert_resource(SplashTimer(Timer::from_seconds(1.0, TimerMode::Once)));
}
// Tick the timer, and change state when finished
fn countdown(
mut game_state: ResMut<NextState<GameState>>,
time: Res<Time>,
mut timer: ResMut<SplashTimer>,
) {
if timer.tick(time.delta()).finished() {
game_state.set(GameState::Menu);
}
}
}
mod game {
use bevy::prelude::*;
use super::{despawn_screen, DisplayQuality, GameState, Volume, TEXT_COLOR};
// This plugin will contain the game. In this case, it's just be a screen that will
// display the current settings for 5 seconds before returning to the menu
pub fn game_plugin(app: &mut App) {
app.add_systems(OnEnter(GameState::Game), game_setup)
.add_systems(Update, game.run_if(in_state(GameState::Game)))
.add_systems(OnExit(GameState::Game), despawn_screen::<OnGameScreen>);
}
// Tag component used to tag entities added on the game screen
#[derive(Component)]
struct OnGameScreen;
#[derive(Resource, Deref, DerefMut)]
struct GameTimer(Timer);
fn game_setup(
mut commands: Commands,
display_quality: Res<DisplayQuality>,
volume: Res<Volume>,
) {
commands
.spawn((
NodeBundle {
style: Style {
width: Val::Percent(100.0),
height: Val::Percent(100.0),
// center children
align_items: AlignItems::Center,
justify_content: JustifyContent::Center,
..default()
},
..default()
},
OnGameScreen,
))
.with_children(|parent| {
// First create a `NodeBundle` for centering what we want to display
parent
.spawn(NodeBundle {
style: Style {
// This will display its children in a column, from top to bottom
flex_direction: FlexDirection::Column,
// `align_items` will align children on the cross axis. Here the main axis is
// vertical (column), so the cross axis is horizontal. This will center the
// children
align_items: AlignItems::Center,
..default()
},
background_color: Color::BLACK.into(),
..default()
})
.with_children(|parent| {
// Display two lines of text, the second one with the current settings
parent.spawn(
TextBundle::from_section(
"Will be back to the menu shortly...",
TextStyle {
font_size: 80.0,
color: TEXT_COLOR,
..default()
},
)
.with_style(Style {
margin: UiRect::all(Val::Px(50.0)),
..default()
}),
);
parent.spawn(
TextBundle::from_sections([
TextSection::new(
format!("quality: {:?}", *display_quality),
TextStyle {
font_size: 60.0,
color: Color::BLUE,
..default()
},
),
TextSection::new(
" - ",
TextStyle {
font_size: 60.0,
color: TEXT_COLOR,
..default()
},
),
TextSection::new(
format!("volume: {:?}", *volume),
TextStyle {
font_size: 60.0,
color: Color::GREEN,
..default()
},
),
])
.with_style(Style {
margin: UiRect::all(Val::Px(50.0)),
..default()
}),
);
});
});
// Spawn a 5 seconds timer to trigger going back to the menu
commands.insert_resource(GameTimer(Timer::from_seconds(5.0, TimerMode::Once)));
}
// Tick the timer, and change state when finished
fn game(
time: Res<Time>,
mut game_state: ResMut<NextState<GameState>>,
mut timer: ResMut<GameTimer>,
) {
if timer.tick(time.delta()).finished() {
game_state.set(GameState::Menu);
}
}
}
mod menu {
use bevy::{app::AppExit, prelude::*};
use super::{despawn_screen, DisplayQuality, GameState, Volume, TEXT_COLOR};
// This plugin manages the menu, with 5 different screens:
// - a main menu with "New Game", "Settings", "Quit"
// - a settings menu with two submenus and a back button
// - two settings screen with a setting that can be set and a back button
pub fn menu_plugin(app: &mut App) {
app
// At start, the menu is not enabled. This will be changed in `menu_setup` when
// entering the `GameState::Menu` state.
// Current screen in the menu is handled by an independent state from `GameState`
.init_state::<MenuState>()
.add_systems(OnEnter(GameState::Menu), menu_setup)
// Systems to handle the main menu screen
.add_systems(OnEnter(MenuState::Main), main_menu_setup)
.add_systems(OnExit(MenuState::Main), despawn_screen::<OnMainMenuScreen>)
// Systems to handle the settings menu screen
.add_systems(OnEnter(MenuState::Settings), settings_menu_setup)
.add_systems(
OnExit(MenuState::Settings),
despawn_screen::<OnSettingsMenuScreen>,
)
// Systems to handle the display settings screen
.add_systems(
OnEnter(MenuState::SettingsDisplay),
display_settings_menu_setup,
)
.add_systems(
Update,
(setting_button::<DisplayQuality>.run_if(in_state(MenuState::SettingsDisplay)),),
)
.add_systems(
OnExit(MenuState::SettingsDisplay),
despawn_screen::<OnDisplaySettingsMenuScreen>,
)
// Systems to handle the sound settings screen
.add_systems(OnEnter(MenuState::SettingsSound), sound_settings_menu_setup)
.add_systems(
Update,
setting_button::<Volume>.run_if(in_state(MenuState::SettingsSound)),
)
.add_systems(
OnExit(MenuState::SettingsSound),
despawn_screen::<OnSoundSettingsMenuScreen>,
)
// Common systems to all screens that handles buttons behavior
.add_systems(
Update,
(menu_action, button_system).run_if(in_state(GameState::Menu)),
);
}
// State used for the current menu screen
#[derive(Clone, Copy, Default, Eq, PartialEq, Debug, Hash, States)]
enum MenuState {
Main,
Settings,
SettingsDisplay,
SettingsSound,
#[default]
Disabled,
}
// Tag component used to tag entities added on the main menu screen
#[derive(Component)]
struct OnMainMenuScreen;
// Tag component used to tag entities added on the settings menu screen
#[derive(Component)]
struct OnSettingsMenuScreen;
// Tag component used to tag entities added on the display settings menu screen
#[derive(Component)]
struct OnDisplaySettingsMenuScreen;
// Tag component used to tag entities added on the sound settings menu screen
#[derive(Component)]
struct OnSoundSettingsMenuScreen;
const NORMAL_BUTTON: Color = Color::rgb(0.15, 0.15, 0.15);
const HOVERED_BUTTON: Color = Color::rgb(0.25, 0.25, 0.25);
const HOVERED_PRESSED_BUTTON: Color = Color::rgb(0.25, 0.65, 0.25);
const PRESSED_BUTTON: Color = Color::rgb(0.35, 0.75, 0.35);More examples
examples/ui/display_and_visibility.rs (line 7)
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458
const HIDDEN_COLOR: Color = Color::rgb(1.0, 0.7, 0.7);
fn main() {
App::new()
.add_plugins(DefaultPlugins)
// Only run the app when there is user input. This will significantly reduce CPU/GPU use.
.insert_resource(WinitSettings::desktop_app())
.add_systems(Startup, setup)
.add_systems(
Update,
(
buttons_handler::<Display>,
buttons_handler::<Visibility>,
text_hover,
),
)
.run();
}
#[derive(Component)]
struct Target<T> {
id: Entity,
phantom: std::marker::PhantomData<T>,
}
impl<T> Target<T> {
fn new(id: Entity) -> Self {
Self {
id,
phantom: std::marker::PhantomData,
}
}
}
trait TargetUpdate {
type TargetComponent: Component;
const NAME: &'static str;
fn update_target(&self, target: &mut Self::TargetComponent) -> String;
}
impl TargetUpdate for Target<Display> {
type TargetComponent = Style;
const NAME: &'static str = "Display";
fn update_target(&self, style: &mut Self::TargetComponent) -> String {
style.display = match style.display {
Display::Flex => Display::None,
Display::None => Display::Flex,
Display::Grid => unreachable!(),
};
format!("{}::{:?} ", Self::NAME, style.display)
}
}
impl TargetUpdate for Target<Visibility> {
type TargetComponent = Visibility;
const NAME: &'static str = "Visibility";
fn update_target(&self, visibility: &mut Self::TargetComponent) -> String {
*visibility = match *visibility {
Visibility::Inherited => Visibility::Visible,
Visibility::Visible => Visibility::Hidden,
Visibility::Hidden => Visibility::Inherited,
};
format!("{}::{visibility:?}", Self::NAME)
}
}
fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
let palette = PALETTE.map(|hex| Color::hex(hex).unwrap());
let text_style = TextStyle {
font: asset_server.load("fonts/FiraSans-Bold.ttf"),
font_size: 24.0,
..default()
};
commands.spawn(Camera2dBundle::default());
commands.spawn(NodeBundle {
style: Style {
width: Val::Percent(100.),
height: Val::Percent(100.),
flex_direction: FlexDirection::Column,
align_items: AlignItems::Center,
justify_content: JustifyContent::SpaceEvenly,
..Default::default()
},
background_color: BackgroundColor(Color::BLACK),
..Default::default()
}).with_children(|parent| {
parent.spawn(TextBundle {
text: Text::from_section(
"Use the panel on the right to change the Display and Visibility properties for the respective nodes of the panel on the left",
text_style.clone(),
).with_justify(JustifyText::Center),
style: Style {
margin: UiRect::bottom(Val::Px(10.)),
..Default::default()
},
..Default::default()
});
parent
.spawn(NodeBundle {
style: Style {
width: Val::Percent(100.),
..Default::default()
},
..Default::default()
})
.with_children(|parent| {
let mut target_ids = vec![];
parent.spawn(NodeBundle {
style: Style {
width: Val::Percent(50.),
height: Val::Px(520.),
justify_content: JustifyContent::Center,
..Default::default()
},
..Default::default()
}).with_children(|parent| {
target_ids = spawn_left_panel(parent, &palette);
});
parent.spawn(NodeBundle {
style: Style {
width: Val::Percent(50.),
justify_content: JustifyContent::Center,
..Default::default()
},
..Default::default()
}).with_children(|parent| {
spawn_right_panel(parent, text_style, &palette, target_ids);
});
});
parent.spawn(NodeBundle {
style: Style {
flex_direction: FlexDirection::Row,
align_items: AlignItems::Start,
justify_content: JustifyContent::Start,
column_gap: Val::Px(10.),
..Default::default()
},
..default() })
.with_children(|builder| {
let text_style = TextStyle {
font: asset_server.load("fonts/FiraSans-Bold.ttf"),
font_size: 20.0,
..default()
};
builder.spawn(TextBundle {
text: Text::from_section(
"Display::None\nVisibility::Hidden\nVisibility::Inherited",
TextStyle { color: HIDDEN_COLOR, ..text_style.clone() }
).with_justify(JustifyText::Center),
..Default::default()
});
builder.spawn(TextBundle {
text: Text::from_section(
"-\n-\n-",
TextStyle { color: Color::DARK_GRAY, ..text_style.clone() }
).with_justify(JustifyText::Center),
..Default::default()
});
builder.spawn(TextBundle::from_section(
"The UI Node and its descendants will not be visible and will not be allotted any space in the UI layout.\nThe UI Node will not be visible but will still occupy space in the UI layout.\nThe UI node will inherit the visibility property of its parent. If it has no parent it will be visible.",
text_style
));
});
});
}
fn spawn_left_panel(builder: &mut ChildBuilder, palette: &[Color; 4]) -> Vec<Entity> {
let mut target_ids = vec![];
builder
.spawn(NodeBundle {
style: Style {
padding: UiRect::all(Val::Px(10.)),
..Default::default()
},
background_color: BackgroundColor(Color::WHITE),
..Default::default()
})
.with_children(|parent| {
parent
.spawn(NodeBundle {
background_color: BackgroundColor(Color::BLACK),
..Default::default()
})
.with_children(|parent| {
let id = parent
.spawn(NodeBundle {
style: Style {
align_items: AlignItems::FlexEnd,
justify_content: JustifyContent::FlexEnd,
..Default::default()
},
background_color: BackgroundColor(palette[0]),
..Default::default()
})
.with_children(|parent| {
parent.spawn(NodeBundle {
style: Style {
width: Val::Px(100.),
height: Val::Px(500.),
..Default::default()
},
..Default::default()
});
let id = parent
.spawn(NodeBundle {
style: Style {
height: Val::Px(400.),
align_items: AlignItems::FlexEnd,
justify_content: JustifyContent::FlexEnd,
..Default::default()
},
background_color: BackgroundColor(palette[1]),
..Default::default()
})
.with_children(|parent| {
parent.spawn(NodeBundle {
style: Style {
width: Val::Px(100.),
height: Val::Px(400.),
..Default::default()
},
..Default::default()
});
let id = parent
.spawn(NodeBundle {
style: Style {
height: Val::Px(300.),
align_items: AlignItems::FlexEnd,
justify_content: JustifyContent::FlexEnd,
..Default::default()
},
background_color: BackgroundColor(palette[2]),
..Default::default()
})
.with_children(|parent| {
parent.spawn(NodeBundle {
style: Style {
width: Val::Px(100.),
height: Val::Px(300.),
..Default::default()
},
..Default::default()
});
let id = parent
.spawn(NodeBundle {
style: Style {
width: Val::Px(200.),
height: Val::Px(200.),
..Default::default()
},
background_color: BackgroundColor(palette[3]),
..Default::default()
})
.id();
target_ids.push(id);
})
.id();
target_ids.push(id);
})
.id();
target_ids.push(id);
})
.id();
target_ids.push(id);
});
});
target_ids
}
fn spawn_right_panel(
parent: &mut ChildBuilder,
text_style: TextStyle,
palette: &[Color; 4],
mut target_ids: Vec<Entity>,
) {
let spawn_buttons = |parent: &mut ChildBuilder, target_id| {
spawn_button::<Display>(parent, text_style.clone(), target_id);
spawn_button::<Visibility>(parent, text_style.clone(), target_id);
};
parent
.spawn(NodeBundle {
style: Style {
padding: UiRect::all(Val::Px(10.)),
..Default::default()
},
background_color: BackgroundColor(Color::WHITE),
..Default::default()
})
.with_children(|parent| {
parent
.spawn(NodeBundle {
style: Style {
width: Val::Px(500.),
height: Val::Px(500.),
flex_direction: FlexDirection::Column,
align_items: AlignItems::FlexEnd,
justify_content: JustifyContent::SpaceBetween,
padding: UiRect {
left: Val::Px(5.),
top: Val::Px(5.),
..Default::default()
},
..Default::default()
},
background_color: BackgroundColor(palette[0]),
..Default::default()
})
.with_children(|parent| {
spawn_buttons(parent, target_ids.pop().unwrap());
parent
.spawn(NodeBundle {
style: Style {
width: Val::Px(400.),
height: Val::Px(400.),
flex_direction: FlexDirection::Column,
align_items: AlignItems::FlexEnd,
justify_content: JustifyContent::SpaceBetween,
padding: UiRect {
left: Val::Px(5.),
top: Val::Px(5.),
..Default::default()
},
..Default::default()
},
background_color: BackgroundColor(palette[1]),
..Default::default()
})
.with_children(|parent| {
spawn_buttons(parent, target_ids.pop().unwrap());
parent
.spawn(NodeBundle {
style: Style {
width: Val::Px(300.),
height: Val::Px(300.),
flex_direction: FlexDirection::Column,
align_items: AlignItems::FlexEnd,
justify_content: JustifyContent::SpaceBetween,
padding: UiRect {
left: Val::Px(5.),
top: Val::Px(5.),
..Default::default()
},
..Default::default()
},
background_color: BackgroundColor(palette[2]),
..Default::default()
})
.with_children(|parent| {
spawn_buttons(parent, target_ids.pop().unwrap());
parent
.spawn(NodeBundle {
style: Style {
width: Val::Px(200.),
height: Val::Px(200.),
align_items: AlignItems::FlexStart,
justify_content: JustifyContent::SpaceBetween,
flex_direction: FlexDirection::Column,
padding: UiRect {
left: Val::Px(5.),
top: Val::Px(5.),
..Default::default()
},
..Default::default()
},
background_color: BackgroundColor(palette[3]),
..Default::default()
})
.with_children(|parent| {
spawn_buttons(parent, target_ids.pop().unwrap());
parent.spawn(NodeBundle {
style: Style {
width: Val::Px(100.),
height: Val::Px(100.),
..Default::default()
},
..Default::default()
});
});
});
});
});
});
}
fn spawn_button<T>(parent: &mut ChildBuilder, text_style: TextStyle, target: Entity)
where
T: Default + std::fmt::Debug + Send + Sync + 'static,
Target<T>: TargetUpdate,
{
parent
.spawn((
ButtonBundle {
style: Style {
align_self: AlignSelf::FlexStart,
padding: UiRect::axes(Val::Px(5.), Val::Px(1.)),
..Default::default()
},
background_color: BackgroundColor(Color::BLACK.with_a(0.5)),
..Default::default()
},
Target::<T>::new(target),
))
.with_children(|builder| {
builder.spawn(
TextBundle::from_section(
format!("{}::{:?}", Target::<T>::NAME, T::default()),
text_style,
)
.with_text_justify(JustifyText::Center),
);
});
}
fn buttons_handler<T>(
mut left_panel_query: Query<&mut <Target<T> as TargetUpdate>::TargetComponent>,
mut visibility_button_query: Query<(&Target<T>, &Interaction, &Children), Changed<Interaction>>,
mut text_query: Query<&mut Text>,
) where
T: Send + Sync,
Target<T>: TargetUpdate + Component,
{
for (target, interaction, children) in visibility_button_query.iter_mut() {
if matches!(interaction, Interaction::Pressed) {
let mut target_value = left_panel_query.get_mut(target.id).unwrap();
for &child in children {
if let Ok(mut text) = text_query.get_mut(child) {
text.sections[0].value = target.update_target(target_value.as_mut());
text.sections[0].style.color = if text.sections[0].value.contains("None")
|| text.sections[0].value.contains("Hidden")
{
Color::rgb(1.0, 0.7, 0.7)
} else {
Color::WHITE
};
}
}
}
}
}examples/ecs/state.rs (line 44)
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93
const NORMAL_BUTTON: Color = Color::rgb(0.15, 0.15, 0.15);
const HOVERED_BUTTON: Color = Color::rgb(0.25, 0.25, 0.25);
const PRESSED_BUTTON: Color = Color::rgb(0.35, 0.75, 0.35);
fn setup(mut commands: Commands) {
commands.spawn(Camera2dBundle::default());
}
fn setup_menu(mut commands: Commands) {
let button_entity = commands
.spawn(NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
..default()
},
..default()
})
.with_children(|parent| {
parent
.spawn(ButtonBundle {
style: Style {
width: Val::Px(150.),
height: Val::Px(65.),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
background_color: NORMAL_BUTTON.into(),
..default()
})
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Play",
TextStyle {
font_size: 40.0,
color: Color::rgb(0.9, 0.9, 0.9),
..default()
},
));
});
})
.id();
commands.insert_resource(MenuData { button_entity });
}examples/ui/button.rs (line 16)
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96
const NORMAL_BUTTON: Color = Color::rgb(0.15, 0.15, 0.15);
const HOVERED_BUTTON: Color = Color::rgb(0.25, 0.25, 0.25);
const PRESSED_BUTTON: Color = Color::rgb(0.35, 0.75, 0.35);
fn button_system(
mut interaction_query: Query<
(
&Interaction,
&mut BackgroundColor,
&mut BorderColor,
&Children,
),
(Changed<Interaction>, With<Button>),
>,
mut text_query: Query<&mut Text>,
) {
for (interaction, mut color, mut border_color, children) in &mut interaction_query {
let mut text = text_query.get_mut(children[0]).unwrap();
match *interaction {
Interaction::Pressed => {
text.sections[0].value = "Press".to_string();
*color = PRESSED_BUTTON.into();
border_color.0 = Color::RED;
}
Interaction::Hovered => {
text.sections[0].value = "Hover".to_string();
*color = HOVERED_BUTTON.into();
border_color.0 = Color::WHITE;
}
Interaction::None => {
text.sections[0].value = "Button".to_string();
*color = NORMAL_BUTTON.into();
border_color.0 = Color::BLACK;
}
}
}
}
fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
// ui camera
commands.spawn(Camera2dBundle::default());
commands
.spawn(NodeBundle {
style: Style {
width: Val::Percent(100.0),
height: Val::Percent(100.0),
align_items: AlignItems::Center,
justify_content: JustifyContent::Center,
..default()
},
..default()
})
.with_children(|parent| {
parent
.spawn(ButtonBundle {
style: Style {
width: Val::Px(150.0),
height: Val::Px(65.0),
border: UiRect::all(Val::Px(5.0)),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
border_color: BorderColor(Color::BLACK),
background_color: NORMAL_BUTTON.into(),
..default()
})
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Button",
TextStyle {
font: asset_server.load("fonts/FiraSans-Bold.ttf"),
font_size: 40.0,
color: Color::rgb(0.9, 0.9, 0.9),
},
));
});
});
}Additional examples can be found in:
- examples/ui/flex_layout.rs
- examples/window/clear_color.rs
- examples/async_tasks/async_compute.rs
- examples/stress_tests/many_gizmos.rs
- examples/3d/3d_viewport_to_world.rs
- examples/3d/atmospheric_fog.rs
- tests/window/minimising.rs
- tests/window/resizing.rs
- examples/shader/shader_material_screenspace_texture.rs
- examples/shader/post_processing.rs
- examples/3d/parenting.rs
- examples/stress_tests/many_buttons.rs
- examples/3d/two_passes.rs
- examples/window/screenshot.rs
- examples/window/scale_factor_override.rs
- examples/3d/vertex_colors.rs
- examples/3d/orthographic.rs
- examples/ui/relative_cursor_position.rs
- examples/3d/spherical_area_lights.rs
- examples/animation/animated_fox.rs
- examples/3d/3d_gizmos.rs
- examples/2d/bloom_2d.rs
- examples/window/low_power.rs
- examples/ui/ui_texture_slice.rs
- examples/games/alien_cake_addict.rs
- examples/3d/ssao.rs
- examples/ui/transparency_ui.rs
- examples/ui/size_constraints.rs
- examples/3d/transparency_3d.rs
- examples/ecs/iter_combinations.rs
- examples/time/virtual_time.rs
- examples/3d/anti_aliasing.rs
- examples/asset/asset_loading.rs
- examples/3d/tonemapping.rs
- examples/ui/text_wrap_debug.rs
- examples/3d/render_to_texture.rs
- examples/stress_tests/many_foxes.rs
- examples/shader/shader_prepass.rs
- examples/animation/custom_skinned_mesh.rs
- examples/2d/text2d.rs
- examples/3d/split_screen.rs
- examples/animation/animated_transform.rs
- examples/ui/text_debug.rs
- examples/3d/deferred_rendering.rs
- examples/ui/ui.rs
sourcepub const fn rgba(r: f32, g: f32, b: f32, a: f32) -> Color
pub const fn rgba(r: f32, g: f32, b: f32, a: f32) -> Color
New Color from sRGB colorspace.
§Arguments
r- Red channel. [0.0, 1.0]g- Green channel. [0.0, 1.0]b- Blue channel. [0.0, 1.0]a- Alpha channel. [0.0, 1.0]
See also Color::rgb, Color::rgba_u8, Color::hex.
Examples found in repository?
examples/3d/fog.rs (line 38)
34 35 36 37 38 39 40 41 42 43 44 45 46
fn setup_camera_fog(mut commands: Commands) {
commands.spawn((
Camera3dBundle::default(),
FogSettings {
color: Color::rgba(0.25, 0.25, 0.25, 1.0),
falloff: FogFalloff::Linear {
start: 5.0,
end: 20.0,
},
..default()
},
));
}More examples
examples/2d/transparency_2d.rs (line 25)
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
commands.spawn(Camera2dBundle::default());
let sprite_handle = asset_server.load("branding/icon.png");
commands.spawn(SpriteBundle {
texture: sprite_handle.clone(),
..default()
});
commands.spawn(SpriteBundle {
sprite: Sprite {
// Alpha channel of the color controls transparency.
color: Color::rgba(0.0, 0.0, 1.0, 0.7),
..default()
},
texture: sprite_handle.clone(),
transform: Transform::from_xyz(100.0, 0.0, 0.0),
..default()
});
commands.spawn(SpriteBundle {
sprite: Sprite {
color: Color::rgba(0.0, 1.0, 0.0, 0.3),
..default()
},
texture: sprite_handle,
transform: Transform::from_xyz(200.0, 0.0, 0.0),
..default()
});
}examples/3d/atmospheric_fog.rs (line 34)
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
fn setup_camera_fog(mut commands: Commands) {
commands.spawn((
Camera3dBundle {
transform: Transform::from_xyz(-1.0, 0.1, 1.0)
.looking_at(Vec3::new(0.0, 0.0, 0.0), Vec3::Y),
..default()
},
FogSettings {
color: Color::rgba(0.35, 0.48, 0.66, 1.0),
directional_light_color: Color::rgba(1.0, 0.95, 0.85, 0.5),
directional_light_exponent: 30.0,
falloff: FogFalloff::from_visibility_colors(
15.0, // distance in world units up to which objects retain visibility (>= 5% contrast)
Color::rgb(0.35, 0.5, 0.66), // atmospheric extinction color (after light is lost due to absorption by atmospheric particles)
Color::rgb(0.8, 0.844, 1.0), // atmospheric inscattering color (light gained due to scattering from the sun)
),
},
));
}examples/3d/texture.rs (line 39)
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
fn setup(
mut commands: Commands,
asset_server: Res<AssetServer>,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
// load a texture and retrieve its aspect ratio
let texture_handle = asset_server.load("branding/bevy_logo_dark_big.png");
let aspect = 0.25;
// create a new quad mesh. this is what we will apply the texture to
let quad_width = 8.0;
let quad_handle = meshes.add(Rectangle::new(quad_width, quad_width * aspect));
// this material renders the texture normally
let material_handle = materials.add(StandardMaterial {
base_color_texture: Some(texture_handle.clone()),
alpha_mode: AlphaMode::Blend,
unlit: true,
..default()
});
// this material modulates the texture to make it red (and slightly transparent)
let red_material_handle = materials.add(StandardMaterial {
base_color: Color::rgba(1.0, 0.0, 0.0, 0.5),
base_color_texture: Some(texture_handle.clone()),
alpha_mode: AlphaMode::Blend,
unlit: true,
..default()
});
// and lets make this one blue! (and also slightly transparent)
let blue_material_handle = materials.add(StandardMaterial {
base_color: Color::rgba(0.0, 0.0, 1.0, 0.5),
base_color_texture: Some(texture_handle),
alpha_mode: AlphaMode::Blend,
unlit: true,
..default()
});
// textured quad - normal
commands.spawn(PbrBundle {
mesh: quad_handle.clone(),
material: material_handle,
transform: Transform::from_xyz(0.0, 0.0, 1.5)
.with_rotation(Quat::from_rotation_x(-PI / 5.0)),
..default()
});
// textured quad - modulated
commands.spawn(PbrBundle {
mesh: quad_handle.clone(),
material: red_material_handle,
transform: Transform::from_rotation(Quat::from_rotation_x(-PI / 5.0)),
..default()
});
// textured quad - modulated
commands.spawn(PbrBundle {
mesh: quad_handle,
material: blue_material_handle,
transform: Transform::from_xyz(0.0, 0.0, -1.5)
.with_rotation(Quat::from_rotation_x(-PI / 5.0)),
..default()
});
// camera
commands.spawn(Camera3dBundle {
transform: Transform::from_xyz(3.0, 5.0, 8.0).looking_at(Vec3::ZERO, Vec3::Y),
..default()
});
}examples/ui/transparency_ui.rs (line 50)
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81
fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
commands.spawn(Camera2dBundle::default());
let font_handle = asset_server.load("fonts/FiraSans-Bold.ttf");
commands
.spawn(NodeBundle {
style: Style {
width: Val::Percent(100.0),
height: Val::Percent(100.0),
align_items: AlignItems::Center,
justify_content: JustifyContent::SpaceAround,
..default()
},
..default()
})
.with_children(|parent| {
parent
.spawn(ButtonBundle {
style: Style {
width: Val::Px(150.0),
height: Val::Px(65.0),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
..default()
},
background_color: Color::rgb(0.1, 0.5, 0.1).into(),
..default()
})
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Button 1",
TextStyle {
font: font_handle.clone(),
font_size: 40.0,
// Alpha channel of the color controls transparency.
color: Color::rgba(1.0, 1.0, 1.0, 0.2),
},
));
});
// Button with a different color,
// to demonstrate the text looks different due to its transparency.
parent
.spawn(ButtonBundle {
style: Style {
width: Val::Px(150.0),
height: Val::Px(65.0),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
..default()
},
background_color: Color::rgb(0.5, 0.1, 0.5).into(),
..default()
})
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Button 2",
TextStyle {
font: font_handle.clone(),
font_size: 40.0,
// Alpha channel of the color controls transparency.
color: Color::rgba(1.0, 1.0, 1.0, 0.2),
},
));
});
});
}examples/games/stepping.rs (line 178)
97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183
fn build_ui(
mut commands: Commands,
asset_server: Res<AssetServer>,
schedules: Res<Schedules>,
mut stepping: ResMut<Stepping>,
mut state: ResMut<State>,
) {
let mut text_sections = Vec::new();
let mut always_run = Vec::new();
let Ok(schedule_order) = stepping.schedules() else {
return;
};
// go through the stepping schedules and construct a list of systems for
// each label
for label in schedule_order {
let schedule = schedules.get(*label).unwrap();
text_sections.push(TextSection::new(
format!("{:?}\n", label),
TextStyle {
font: asset_server.load(FONT_BOLD),
font_size: FONT_SIZE,
color: FONT_COLOR,
},
));
// grab the list of systems in the schedule, in the order the
// single-threaded executor would run them.
let Ok(systems) = schedule.systems() else {
return;
};
for (node_id, system) in systems {
// skip bevy default systems; we don't want to step those
if system.name().starts_with("bevy") {
always_run.push((*label, node_id));
continue;
}
// Add an entry to our systems list so we can find where to draw
// the cursor when the stepping cursor is at this system
state.systems.push((*label, node_id, text_sections.len()));
// Add a text section for displaying the cursor for this system
text_sections.push(TextSection::new(
" ",
TextStyle {
font: asset_server.load(FONT_MEDIUM),
font_size: FONT_SIZE,
color: FONT_COLOR,
},
));
// add the name of the system to the ui
text_sections.push(TextSection::new(
format!("{}\n", system.name()),
TextStyle {
font: asset_server.load(FONT_MEDIUM),
font_size: FONT_SIZE,
color: FONT_COLOR,
},
));
}
}
for (label, node) in always_run.drain(..) {
stepping.always_run_node(label, node);
}
commands.spawn((
SteppingUi,
TextBundle {
text: Text::from_sections(text_sections),
style: Style {
position_type: PositionType::Absolute,
top: state.ui_top,
left: state.ui_left,
padding: UiRect::all(Val::Px(10.0)),
..default()
},
background_color: BackgroundColor(Color::rgba(1.0, 1.0, 1.0, 0.33)),
visibility: Visibility::Hidden,
..default()
},
));
}Additional examples can be found in:
sourcepub const fn rgb_linear(r: f32, g: f32, b: f32) -> Color
pub const fn rgb_linear(r: f32, g: f32, b: f32) -> Color
New Color from linear RGB colorspace.
§Arguments
r- Red channel. [0.0, 1.0]g- Green channel. [0.0, 1.0]b- Blue channel. [0.0, 1.0]
See also Color::rgb, Color::rgba_linear.
Examples found in repository?
examples/stress_tests/bevymark.rs (line 312)
294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471
fn mouse_handler(
mut commands: Commands,
args: Res<Args>,
time: Res<Time>,
mouse_button_input: Res<ButtonInput<MouseButton>>,
windows: Query<&Window>,
bird_resources: ResMut<BirdResources>,
mut counter: ResMut<BevyCounter>,
mut rng: Local<Option<StdRng>>,
mut wave: Local<usize>,
) {
if rng.is_none() {
*rng = Some(StdRng::seed_from_u64(42));
}
let rng = rng.as_mut().unwrap();
let window = windows.single();
if mouse_button_input.just_released(MouseButton::Left) {
counter.color = Color::rgb_linear(rng.gen(), rng.gen(), rng.gen());
}
if mouse_button_input.pressed(MouseButton::Left) {
let spawn_count = (BIRDS_PER_SECOND as f64 * time.delta_seconds_f64()) as usize;
spawn_birds(
&mut commands,
args.into_inner(),
&window.resolution,
&mut counter,
spawn_count,
bird_resources.into_inner(),
None,
*wave,
);
*wave += 1;
}
}
fn bird_velocity_transform(
half_extents: Vec2,
mut translation: Vec3,
velocity_rng: &mut StdRng,
waves: Option<usize>,
dt: f32,
) -> (Transform, Vec3) {
let mut velocity = Vec3::new(MAX_VELOCITY * (velocity_rng.gen::<f32>() - 0.5), 0., 0.);
if let Some(waves) = waves {
// Step the movement and handle collisions as if the wave had been spawned at fixed time intervals
// and with dt-spaced frames of simulation
for _ in 0..(waves * (FIXED_TIMESTEP / dt).round() as usize) {
step_movement(&mut translation, &mut velocity, dt);
handle_collision(half_extents, &translation, &mut velocity);
}
}
(
Transform::from_translation(translation).with_scale(Vec3::splat(BIRD_SCALE)),
velocity,
)
}
const FIXED_DELTA_TIME: f32 = 1.0 / 60.0;
#[allow(clippy::too_many_arguments)]
fn spawn_birds(
commands: &mut Commands,
args: &Args,
primary_window_resolution: &WindowResolution,
counter: &mut BevyCounter,
spawn_count: usize,
bird_resources: &mut BirdResources,
waves_to_simulate: Option<usize>,
wave: usize,
) {
let bird_x = (primary_window_resolution.width() / -2.) + HALF_BIRD_SIZE;
let bird_y = (primary_window_resolution.height() / 2.) - HALF_BIRD_SIZE;
let half_extents = 0.5
* Vec2::new(
primary_window_resolution.width(),
primary_window_resolution.height(),
);
let color = counter.color;
let current_count = counter.count;
match args.mode {
Mode::Sprite => {
let batch = (0..spawn_count)
.map(|count| {
let bird_z = if args.ordered_z {
(current_count + count) as f32 * 0.00001
} else {
bird_resources.transform_rng.gen::<f32>()
};
let (transform, velocity) = bird_velocity_transform(
half_extents,
Vec3::new(bird_x, bird_y, bird_z),
&mut bird_resources.velocity_rng,
waves_to_simulate,
FIXED_DELTA_TIME,
);
let color = if args.vary_per_instance {
Color::rgb_linear(
bird_resources.color_rng.gen(),
bird_resources.color_rng.gen(),
bird_resources.color_rng.gen(),
)
} else {
color
};
(
SpriteBundle {
texture: bird_resources
.textures
.choose(&mut bird_resources.material_rng)
.unwrap()
.clone(),
transform,
sprite: Sprite { color, ..default() },
..default()
},
Bird { velocity },
)
})
.collect::<Vec<_>>();
commands.spawn_batch(batch);
}
Mode::Mesh2d => {
let batch = (0..spawn_count)
.map(|count| {
let bird_z = if args.ordered_z {
(current_count + count) as f32 * 0.00001
} else {
bird_resources.transform_rng.gen::<f32>()
};
let (transform, velocity) = bird_velocity_transform(
half_extents,
Vec3::new(bird_x, bird_y, bird_z),
&mut bird_resources.velocity_rng,
waves_to_simulate,
FIXED_DELTA_TIME,
);
let material =
if args.vary_per_instance || args.material_texture_count > args.waves {
bird_resources
.materials
.choose(&mut bird_resources.material_rng)
.unwrap()
.clone()
} else {
bird_resources.materials[wave % bird_resources.materials.len()].clone()
};
(
MaterialMesh2dBundle {
mesh: bird_resources.quad.clone(),
material,
transform,
..default()
},
Bird { velocity },
)
})
.collect::<Vec<_>>();
commands.spawn_batch(batch);
}
}
counter.count += spawn_count;
counter.color = Color::rgb_linear(
bird_resources.color_rng.gen(),
bird_resources.color_rng.gen(),
bird_resources.color_rng.gen(),
);
}More examples
examples/3d/bloom_3d.rs (line 43)
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106
fn setup_scene(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
commands.spawn((
Camera3dBundle {
camera: Camera {
hdr: true, // 1. HDR is required for bloom
..default()
},
tonemapping: Tonemapping::TonyMcMapface, // 2. Using a tonemapper that desaturates to white is recommended
transform: Transform::from_xyz(-2.0, 2.5, 5.0).looking_at(Vec3::ZERO, Vec3::Y),
..default()
},
// 3. Enable bloom for the camera
BloomSettings::NATURAL,
));
let material_emissive1 = materials.add(StandardMaterial {
emissive: Color::rgb_linear(23000.0, 9000.0, 3000.0), // 4. Put something bright in a dark environment to see the effect
..default()
});
let material_emissive2 = materials.add(StandardMaterial {
emissive: Color::rgb_linear(3000.0, 23000.0, 9000.0),
..default()
});
let material_emissive3 = materials.add(StandardMaterial {
emissive: Color::rgb_linear(9000.0, 3000.0, 23000.0),
..default()
});
let material_non_emissive = materials.add(StandardMaterial {
base_color: Color::GRAY,
..default()
});
let mesh = meshes.add(Sphere::new(0.5).mesh().ico(5).unwrap());
for x in -5..5 {
for z in -5..5 {
// This generates a pseudo-random integer between `[0, 6)`, but deterministically so
// the same spheres are always the same colors.
let mut hasher = DefaultHasher::new();
(x, z).hash(&mut hasher);
let rand = (hasher.finish() - 2) % 6;
let material = match rand {
0 => material_emissive1.clone(),
1 => material_emissive2.clone(),
2 => material_emissive3.clone(),
3..=5 => material_non_emissive.clone(),
_ => unreachable!(),
};
commands.spawn((
PbrBundle {
mesh: mesh.clone(),
material,
transform: Transform::from_xyz(x as f32 * 2.0, 0.0, z as f32 * 2.0),
..default()
},
Bouncing,
));
}
}
// example instructions
commands.spawn(
TextBundle::from_section(
"",
TextStyle {
font_size: 20.0,
color: Color::WHITE,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
bottom: Val::Px(12.0),
left: Val::Px(12.0),
..default()
}),
);
}sourcepub const fn rgba_linear(r: f32, g: f32, b: f32, a: f32) -> Color
pub const fn rgba_linear(r: f32, g: f32, b: f32, a: f32) -> Color
New Color from linear RGB colorspace.
§Arguments
r- Red channel. [0.0, 1.0]g- Green channel. [0.0, 1.0]b- Blue channel. [0.0, 1.0]a- Alpha channel. [0.0, 1.0]
See also Color::rgba, Color::rgb_linear.
Examples found in repository?
examples/3d/spotlight.rs (line 74)
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
// ground plane
commands.spawn((
PbrBundle {
mesh: meshes.add(Plane3d::default().mesh().size(100.0, 100.0)),
material: materials.add(Color::WHITE),
..default()
},
Movable,
));
// cubes
let mut rng = StdRng::seed_from_u64(19878367467713);
let cube_mesh = meshes.add(Cuboid::new(0.5, 0.5, 0.5));
let blue = materials.add(Color::rgb_u8(124, 144, 255));
commands.spawn_batch(
std::iter::repeat_with(move || {
let x = rng.gen_range(-5.0..5.0);
let y = rng.gen_range(0.0..3.0);
let z = rng.gen_range(-5.0..5.0);
(
PbrBundle {
mesh: cube_mesh.clone(),
material: blue.clone(),
transform: Transform::from_xyz(x, y, z),
..default()
},
Movable,
)
})
.take(40),
);
let sphere_mesh = meshes.add(Sphere::new(0.05).mesh().uv(32, 18));
let sphere_mesh_direction = meshes.add(Sphere::new(0.1).mesh().uv(32, 18));
let red_emissive = materials.add(StandardMaterial {
base_color: Color::RED,
emissive: Color::rgba_linear(100.0, 0.0, 0.0, 0.0),
..default()
});
let maroon_emissive = materials.add(StandardMaterial {
base_color: Color::MAROON,
emissive: Color::rgba_linear(50.0, 0.0, 0.0, 0.0),
..default()
});
for x in 0..4 {
for z in 0..4 {
let x = x as f32 - 2.0;
let z = z as f32 - 2.0;
// red spot_light
commands
.spawn(SpotLightBundle {
transform: Transform::from_xyz(1.0 + x, 2.0, z)
.looking_at(Vec3::new(1.0 + x, 0.0, z), Vec3::X),
spot_light: SpotLight {
intensity: 40_000.0, // lumens
color: Color::WHITE,
shadows_enabled: true,
inner_angle: PI / 4.0 * 0.85,
outer_angle: PI / 4.0,
..default()
},
..default()
})
.with_children(|builder| {
builder.spawn(PbrBundle {
mesh: sphere_mesh.clone(),
material: red_emissive.clone(),
..default()
});
builder.spawn((
PbrBundle {
transform: Transform::from_translation(Vec3::Z * -0.1),
mesh: sphere_mesh_direction.clone(),
material: maroon_emissive.clone(),
..default()
},
NotShadowCaster,
));
});
}
}
// camera
commands.spawn(Camera3dBundle {
camera: Camera {
hdr: true,
..default()
},
transform: Transform::from_xyz(-4.0, 5.0, 10.0).looking_at(Vec3::ZERO, Vec3::Y),
..default()
});
commands.spawn(
TextBundle::from_section(
INSTRUCTIONS,
TextStyle {
font_size: 20.0,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
top: Val::Px(12.0),
left: Val::Px(12.0),
..default()
}),
);
}More examples
examples/3d/lighting.rs (line 147)
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276
fn setup(
parameters: Res<Parameters>,
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
asset_server: Res<AssetServer>,
) {
// ground plane
commands.spawn(PbrBundle {
mesh: meshes.add(Plane3d::default().mesh().size(10.0, 10.0)),
material: materials.add(StandardMaterial {
base_color: Color::WHITE,
perceptual_roughness: 1.0,
..default()
}),
..default()
});
// left wall
let mut transform = Transform::from_xyz(2.5, 2.5, 0.0);
transform.rotate_z(PI / 2.);
commands.spawn(PbrBundle {
mesh: meshes.add(Cuboid::new(5.0, 0.15, 5.0)),
transform,
material: materials.add(StandardMaterial {
base_color: Color::INDIGO,
perceptual_roughness: 1.0,
..default()
}),
..default()
});
// back (right) wall
let mut transform = Transform::from_xyz(0.0, 2.5, -2.5);
transform.rotate_x(PI / 2.);
commands.spawn(PbrBundle {
mesh: meshes.add(Cuboid::new(5.0, 0.15, 5.0)),
transform,
material: materials.add(StandardMaterial {
base_color: Color::INDIGO,
perceptual_roughness: 1.0,
..default()
}),
..default()
});
// Bevy logo to demonstrate alpha mask shadows
let mut transform = Transform::from_xyz(-2.2, 0.5, 1.0);
transform.rotate_y(PI / 8.);
commands.spawn((
PbrBundle {
mesh: meshes.add(Rectangle::new(2.0, 0.5)),
transform,
material: materials.add(StandardMaterial {
base_color_texture: Some(asset_server.load("branding/bevy_logo_light.png")),
perceptual_roughness: 1.0,
alpha_mode: AlphaMode::Mask(0.5),
cull_mode: None,
..default()
}),
..default()
},
Movable,
));
// cube
commands.spawn((
PbrBundle {
mesh: meshes.add(Cuboid::default()),
material: materials.add(StandardMaterial {
base_color: Color::PINK,
..default()
}),
transform: Transform::from_xyz(0.0, 0.5, 0.0),
..default()
},
Movable,
));
// sphere
commands.spawn((
PbrBundle {
mesh: meshes.add(Sphere::new(0.5).mesh().uv(32, 18)),
material: materials.add(StandardMaterial {
base_color: Color::LIME_GREEN,
..default()
}),
transform: Transform::from_xyz(1.5, 1.0, 1.5),
..default()
},
Movable,
));
// ambient light
commands.insert_resource(AmbientLight {
color: Color::ORANGE_RED,
brightness: 0.02,
});
// red point light
commands
.spawn(PointLightBundle {
// transform: Transform::from_xyz(5.0, 8.0, 2.0),
transform: Transform::from_xyz(1.0, 2.0, 0.0),
point_light: PointLight {
intensity: 100_000.0,
color: Color::RED,
shadows_enabled: true,
..default()
},
..default()
})
.with_children(|builder| {
builder.spawn(PbrBundle {
mesh: meshes.add(Sphere::new(0.1).mesh().uv(32, 18)),
material: materials.add(StandardMaterial {
base_color: Color::RED,
emissive: Color::rgba_linear(7.13, 0.0, 0.0, 0.0),
..default()
}),
..default()
});
});
// green spot light
commands
.spawn(SpotLightBundle {
transform: Transform::from_xyz(-1.0, 2.0, 0.0)
.looking_at(Vec3::new(-1.0, 0.0, 0.0), Vec3::Z),
spot_light: SpotLight {
intensity: 100_000.0,
color: Color::GREEN,
shadows_enabled: true,
inner_angle: 0.6,
outer_angle: 0.8,
..default()
},
..default()
})
.with_children(|builder| {
builder.spawn(PbrBundle {
transform: Transform::from_rotation(Quat::from_rotation_x(PI / 2.0)),
mesh: meshes.add(Capsule3d::new(0.1, 0.125)),
material: materials.add(StandardMaterial {
base_color: Color::GREEN,
emissive: Color::rgba_linear(0.0, 7.13, 0.0, 0.0),
..default()
}),
..default()
});
});
// blue point light
commands
.spawn(PointLightBundle {
// transform: Transform::from_xyz(5.0, 8.0, 2.0),
transform: Transform::from_xyz(0.0, 4.0, 0.0),
point_light: PointLight {
intensity: 100_000.0,
color: Color::BLUE,
shadows_enabled: true,
..default()
},
..default()
})
.with_children(|builder| {
builder.spawn(PbrBundle {
mesh: meshes.add(Sphere::new(0.1).mesh().uv(32, 18)),
material: materials.add(StandardMaterial {
base_color: Color::BLUE,
emissive: Color::rgba_linear(0.0, 0.0, 7.13, 0.0),
..default()
}),
..default()
});
});
// directional 'sun' light
commands.spawn(DirectionalLightBundle {
directional_light: DirectionalLight {
illuminance: light_consts::lux::OVERCAST_DAY,
shadows_enabled: true,
..default()
},
transform: Transform {
translation: Vec3::new(0.0, 2.0, 0.0),
rotation: Quat::from_rotation_x(-PI / 4.),
..default()
},
// The default cascade config is designed to handle large scenes.
// As this example has a much smaller world, we can tighten the shadow
// bounds for better visual quality.
cascade_shadow_config: CascadeShadowConfigBuilder {
first_cascade_far_bound: 4.0,
maximum_distance: 10.0,
..default()
}
.into(),
..default()
});
// example instructions
let style = TextStyle {
font_size: 20.0,
..default()
};
commands.spawn(
TextBundle::from_sections(vec![
TextSection::new(
format!("Aperture: f/{:.0}\n", parameters.aperture_f_stops),
style.clone(),
),
TextSection::new(
format!(
"Shutter speed: 1/{:.0}s\n",
1.0 / parameters.shutter_speed_s
),
style.clone(),
),
TextSection::new(
format!("Sensitivity: ISO {:.0}\n", parameters.sensitivity_iso),
style.clone(),
),
TextSection::new("\n\n", style.clone()),
TextSection::new("Controls\n", style.clone()),
TextSection::new("---------------\n", style.clone()),
TextSection::new("Arrow keys - Move objects\n", style.clone()),
TextSection::new("1/2 - Decrease/Increase aperture\n", style.clone()),
TextSection::new("3/4 - Decrease/Increase shutter speed\n", style.clone()),
TextSection::new("5/6 - Decrease/Increase sensitivity\n", style.clone()),
TextSection::new("R - Reset exposure", style),
])
.with_style(Style {
position_type: PositionType::Absolute,
top: Val::Px(12.0),
left: Val::Px(12.0),
..default()
}),
);
// camera
commands.spawn(Camera3dBundle {
transform: Transform::from_xyz(-2.0, 2.5, 5.0).looking_at(Vec3::ZERO, Vec3::Y),
exposure: Exposure::from_physical_camera(**parameters),
..default()
});
}sourcepub const fn hsl(hue: f32, saturation: f32, lightness: f32) -> Color
pub const fn hsl(hue: f32, saturation: f32, lightness: f32) -> Color
New Color with HSL representation in sRGB colorspace.
§Arguments
hue- Hue channel. [0.0, 360.0]saturation- Saturation channel. [0.0, 1.0]lightness- Lightness channel. [0.0, 1.0]
See also Color::hsla.
Examples found in repository?
More examples
examples/3d/animated_material.rs (lines 52-56)
45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
fn animate_materials(
material_handles: Query<&Handle<StandardMaterial>>,
time: Res<Time>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
for (i, material_handle) in material_handles.iter().enumerate() {
if let Some(material) = materials.get_mut(material_handle) {
let color = Color::hsl(
((i as f32 * 2.345 + time.elapsed_seconds_wrapped()) * 100.0) % 360.0,
1.0,
0.5,
);
material.base_color = color;
}
}
}examples/2d/2d_shapes.rs (line 40)
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<ColorMaterial>>,
) {
commands.spawn(Camera2dBundle::default());
let shapes = [
Mesh2dHandle(meshes.add(Circle { radius: 50.0 })),
Mesh2dHandle(meshes.add(Ellipse::new(25.0, 50.0))),
Mesh2dHandle(meshes.add(Capsule2d::new(25.0, 50.0))),
Mesh2dHandle(meshes.add(Rectangle::new(50.0, 100.0))),
Mesh2dHandle(meshes.add(RegularPolygon::new(50.0, 6))),
Mesh2dHandle(meshes.add(Triangle2d::new(
Vec2::Y * 50.0,
Vec2::new(-50.0, -50.0),
Vec2::new(50.0, -50.0),
))),
];
let num_shapes = shapes.len();
for (i, shape) in shapes.into_iter().enumerate() {
// Distribute colors evenly across the rainbow.
let color = Color::hsl(360. * i as f32 / num_shapes as f32, 0.95, 0.7);
commands.spawn(MaterialMesh2dBundle {
mesh: shape,
material: materials.add(color),
transform: Transform::from_xyz(
// Distribute shapes from -X_EXTENT to +X_EXTENT.
-X_EXTENT / 2. + i as f32 / (num_shapes - 1) as f32 * X_EXTENT,
0.0,
0.0,
),
..default()
});
}
}examples/3d/deterministic.rs (line 43)
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
fn setup(
mut commands: Commands,
mut materials: ResMut<Assets<StandardMaterial>>,
mut meshes: ResMut<Assets<Mesh>>,
mut deterministic_rendering_config: ResMut<DeterministicRenderingConfig>,
) {
// Safe default.
deterministic_rendering_config.stable_sort_z_fighting = true;
// Help message will be rendered there.
commands.spawn(TextBundle::default().with_style(Style {
position_type: PositionType::Absolute,
top: Val::Px(12.0),
left: Val::Px(12.0),
..default()
}));
commands.spawn(Camera3dBundle {
transform: Transform::from_xyz(3.0, 3.0, 3.0).looking_at(Vec3::new(0., 0., 0.), Vec3::Y),
..default()
});
let mesh = meshes.add(Plane3d::default().mesh().size(2.0, 2.0));
let nb_plane = 10;
for i in 0..nb_plane {
let color = Color::hsl(i as f32 * 360.0 / nb_plane as f32, 1.0, 0.5);
commands.spawn(PbrBundle {
mesh: mesh.clone(),
material: materials.add(StandardMaterial {
base_color: color,
// Setting depth bias would be a default choice to fix z-fighting.
// When it is not possible, deterministic rendering can be used.
// Here we intentionally don't use depth bias to demonstrate the issue.
depth_bias: 0.0,
unlit: true,
..Default::default()
}),
..default()
});
}
}examples/stress_tests/many_buttons.rs (line 130)
115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223
fn setup_flex(mut commands: Commands, asset_server: Res<AssetServer>, args: Res<Args>) {
warn!(include_str!("warning_string.txt"));
let image = if 0 < args.image_freq {
Some(asset_server.load("branding/icon.png"))
} else {
None
};
let buttons_f = args.buttons as f32;
let border = if args.no_borders {
UiRect::ZERO
} else {
UiRect::all(Val::VMin(0.05 * 90. / buttons_f))
};
let as_rainbow = |i: usize| Color::hsl((i as f32 / buttons_f) * 360.0, 0.9, 0.8);
commands.spawn(Camera2dBundle::default());
commands
.spawn(NodeBundle {
style: Style {
flex_direction: FlexDirection::Column,
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
width: Val::Percent(100.),
height: Val::Percent(100.),
..default()
},
..default()
})
.with_children(|commands| {
for column in 0..args.buttons {
commands
.spawn(NodeBundle::default())
.with_children(|commands| {
for row in 0..args.buttons {
let color = as_rainbow(row % column.max(1)).into();
let border_color = Color::WHITE.with_a(0.5).into();
spawn_button(
commands,
color,
buttons_f,
column,
row,
!args.no_text,
border,
border_color,
image
.as_ref()
.filter(|_| (column + row) % args.image_freq == 0)
.cloned(),
);
}
});
}
});
}
fn setup_grid(mut commands: Commands, asset_server: Res<AssetServer>, args: Res<Args>) {
warn!(include_str!("warning_string.txt"));
let image = if 0 < args.image_freq {
Some(asset_server.load("branding/icon.png"))
} else {
None
};
let buttons_f = args.buttons as f32;
let border = if args.no_borders {
UiRect::ZERO
} else {
UiRect::all(Val::VMin(0.05 * 90. / buttons_f))
};
let as_rainbow = |i: usize| Color::hsl((i as f32 / buttons_f) * 360.0, 0.9, 0.8);
commands.spawn(Camera2dBundle::default());
commands
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
width: Val::Percent(100.),
height: Val::Percent(100.0),
grid_template_columns: RepeatedGridTrack::flex(args.buttons as u16, 1.0),
grid_template_rows: RepeatedGridTrack::flex(args.buttons as u16, 1.0),
..default()
},
..default()
})
.with_children(|commands| {
for column in 0..args.buttons {
for row in 0..args.buttons {
let color = as_rainbow(row % column.max(1)).into();
let border_color = Color::WHITE.with_a(0.5).into();
spawn_button(
commands,
color,
buttons_f,
column,
row,
!args.no_text,
border,
border_color,
image
.as_ref()
.filter(|_| (column + row) % args.image_freq == 0)
.cloned(),
);
}
}
});
}examples/stress_tests/many_lights.rs (line 80)
43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
warn!(include_str!("warning_string.txt"));
const LIGHT_RADIUS: f32 = 0.3;
const LIGHT_INTENSITY: f32 = 1000.0;
const RADIUS: f32 = 50.0;
const N_LIGHTS: usize = 100_000;
commands.spawn(PbrBundle {
mesh: meshes.add(Sphere::new(RADIUS).mesh().ico(9).unwrap()),
material: materials.add(Color::WHITE),
transform: Transform::from_scale(Vec3::NEG_ONE),
..default()
});
let mesh = meshes.add(Cuboid::default());
let material = materials.add(StandardMaterial {
base_color: Color::PINK,
..default()
});
// NOTE: This pattern is good for testing performance of culling as it provides roughly
// the same number of visible meshes regardless of the viewing angle.
// NOTE: f64 is used to avoid precision issues that produce visual artifacts in the distribution
let golden_ratio = 0.5f64 * (1.0f64 + 5.0f64.sqrt());
let mut rng = thread_rng();
for i in 0..N_LIGHTS {
let spherical_polar_theta_phi = fibonacci_spiral_on_sphere(golden_ratio, i, N_LIGHTS);
let unit_sphere_p = spherical_polar_to_cartesian(spherical_polar_theta_phi);
commands.spawn(PointLightBundle {
point_light: PointLight {
range: LIGHT_RADIUS,
intensity: LIGHT_INTENSITY,
color: Color::hsl(rng.gen_range(0.0..360.0), 1.0, 0.5),
..default()
},
transform: Transform::from_translation((RADIUS as f64 * unit_sphere_p).as_vec3()),
..default()
});
}
// camera
match std::env::args().nth(1).as_deref() {
Some("orthographic") => commands.spawn(Camera3dBundle {
projection: OrthographicProjection {
scale: 20.0,
scaling_mode: ScalingMode::FixedHorizontal(1.0),
..default()
}
.into(),
..default()
}),
_ => commands.spawn(Camera3dBundle::default()),
};
// add one cube, the only one with strong handles
// also serves as a reference point during rotation
commands.spawn(PbrBundle {
mesh,
material,
transform: Transform {
translation: Vec3::new(0.0, RADIUS, 0.0),
scale: Vec3::splat(5.0),
..default()
},
..default()
});
}sourcepub const fn hsla(
hue: f32,
saturation: f32,
lightness: f32,
alpha: f32
) -> Color
pub const fn hsla( hue: f32, saturation: f32, lightness: f32, alpha: f32 ) -> Color
New Color with HSL representation in sRGB colorspace.
§Arguments
hue- Hue channel. [0.0, 360.0]saturation- Saturation channel. [0.0, 1.0]lightness- Lightness channel. [0.0, 1.0]alpha- Alpha channel. [0.0, 1.0]
See also Color::hsl.
Examples found in repository?
examples/shader/shader_instancing.rs (line 46)
36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65
fn setup(mut commands: Commands, mut meshes: ResMut<Assets<Mesh>>) {
commands.spawn((
meshes.add(Cuboid::new(0.5, 0.5, 0.5)),
SpatialBundle::INHERITED_IDENTITY,
InstanceMaterialData(
(1..=10)
.flat_map(|x| (1..=10).map(move |y| (x as f32 / 10.0, y as f32 / 10.0)))
.map(|(x, y)| InstanceData {
position: Vec3::new(x * 10.0 - 5.0, y * 10.0 - 5.0, 0.0),
scale: 1.0,
color: Color::hsla(x * 360., y, 0.5, 1.0).as_rgba_f32(),
})
.collect(),
),
// NOTE: Frustum culling is done based on the Aabb of the Mesh and the GlobalTransform.
// As the cube is at the origin, if its Aabb moves outside the view frustum, all the
// instanced cubes will be culled.
// The InstanceMaterialData contains the 'GlobalTransform' information for this custom
// instancing, and that is not taken into account with the built-in frustum culling.
// We must disable the built-in frustum culling by adding the `NoFrustumCulling` marker
// component to avoid incorrect culling.
NoFrustumCulling,
));
// camera
commands.spawn(Camera3dBundle {
transform: Transform::from_xyz(0.0, 0.0, 15.0).looking_at(Vec3::ZERO, Vec3::Y),
..default()
});
}More examples
examples/games/contributors.rs (line 123)
83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238
fn setup_contributor_selection(mut commands: Commands, asset_server: Res<AssetServer>) {
// Load contributors from the git history log or use default values from
// the constant array. Contributors must be unique, so they are stored in a HashSet
let contribs = contributors().unwrap_or_else(|_| {
CONTRIBUTORS_LIST
.iter()
.map(|name| name.to_string())
.collect()
});
let texture_handle = asset_server.load("branding/icon.png");
let mut contributor_selection = ContributorSelection {
order: Vec::with_capacity(contribs.len()),
idx: 0,
};
let mut rng = rand::thread_rng();
for name in contribs {
let pos = (rng.gen_range(-400.0..400.0), rng.gen_range(0.0..400.0));
let dir = rng.gen_range(-1.0..1.0);
let velocity = Vec3::new(dir * 500.0, 0.0, 0.0);
let hue = rng.gen_range(0.0..=360.0);
// some sprites should be flipped
let flipped = rng.gen_bool(0.5);
let transform = Transform::from_xyz(pos.0, pos.1, 0.0);
let entity = commands
.spawn((
Contributor { name, hue },
Velocity {
translation: velocity,
rotation: -dir * 5.0,
},
SpriteBundle {
sprite: Sprite {
custom_size: Some(Vec2::new(1.0, 1.0) * SPRITE_SIZE),
color: Color::hsla(hue, SATURATION_DESELECTED, LIGHTNESS_DESELECTED, ALPHA),
flip_x: flipped,
..default()
},
texture: texture_handle.clone(),
transform,
..default()
},
))
.id();
contributor_selection.order.push(entity);
}
contributor_selection.order.shuffle(&mut rng);
commands.insert_resource(contributor_selection);
}
fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
commands.spawn(Camera2dBundle::default());
commands.spawn((
TextBundle::from_sections([
TextSection::new(
"Contributor showcase",
TextStyle {
font: asset_server.load("fonts/FiraSans-Bold.ttf"),
font_size: 60.0,
..default()
},
),
TextSection::from_style(TextStyle {
font: asset_server.load("fonts/FiraSans-Bold.ttf"),
font_size: 60.0,
..default()
}),
])
.with_style(Style {
align_self: AlignSelf::FlexEnd,
..default()
}),
ContributorDisplay,
));
}
/// Finds the next contributor to display and selects the entity
fn select_system(
mut timer: ResMut<SelectionState>,
mut contributor_selection: ResMut<ContributorSelection>,
mut text_query: Query<&mut Text, With<ContributorDisplay>>,
mut query: Query<(&Contributor, &mut Sprite, &mut Transform)>,
time: Res<Time>,
) {
if !timer.timer.tick(time.delta()).just_finished() {
return;
}
if !timer.has_triggered {
let mut text = text_query.single_mut();
text.sections[0].value = "Contributor: ".to_string();
timer.has_triggered = true;
}
let entity = contributor_selection.order[contributor_selection.idx];
if let Ok((contributor, mut sprite, mut transform)) = query.get_mut(entity) {
deselect(&mut sprite, contributor, &mut transform);
}
if (contributor_selection.idx + 1) < contributor_selection.order.len() {
contributor_selection.idx += 1;
} else {
contributor_selection.idx = 0;
}
let entity = contributor_selection.order[contributor_selection.idx];
if let Ok((contributor, mut sprite, mut transform)) = query.get_mut(entity) {
let mut text = text_query.single_mut();
select(&mut sprite, contributor, &mut transform, &mut text);
}
}
/// Change the tint color to the "selected" color, bring the object to the front
/// and display the name.
fn select(
sprite: &mut Sprite,
contributor: &Contributor,
transform: &mut Transform,
text: &mut Text,
) {
sprite.color = Color::hsla(
contributor.hue,
SATURATION_SELECTED,
LIGHTNESS_SELECTED,
ALPHA,
);
transform.translation.z = 100.0;
text.sections[1].value.clone_from(&contributor.name);
text.sections[1].style.color = sprite.color;
}
/// Change the modulate color to the "deselected" color and push
/// the object to the back.
fn deselect(sprite: &mut Sprite, contributor: &Contributor, transform: &mut Transform) {
sprite.color = Color::hsla(
contributor.hue,
SATURATION_DESELECTED,
LIGHTNESS_DESELECTED,
ALPHA,
);
transform.translation.z = 0.0;
}sourcepub const fn lch(lightness: f32, chroma: f32, hue: f32) -> Color
pub const fn lch(lightness: f32, chroma: f32, hue: f32) -> Color
New Color with LCH representation in sRGB colorspace.
§Arguments
lightness- Lightness channel. [0.0, 1.5]chroma- Chroma channel. [0.0, 1.5]hue- Hue channel. [0.0, 360.0]
See also Color::lcha.
sourcepub const fn lcha(lightness: f32, chroma: f32, hue: f32, alpha: f32) -> Color
pub const fn lcha(lightness: f32, chroma: f32, hue: f32, alpha: f32) -> Color
New Color with LCH representation in sRGB colorspace.
§Arguments
lightness- Lightness channel. [0.0, 1.5]chroma- Chroma channel. [0.0, 1.5]hue- Hue channel. [0.0, 360.0]alpha- Alpha channel. [0.0, 1.0]
See also Color::lch.
sourcepub fn hex<T>(hex: T) -> Result<Color, HexColorError>
pub fn hex<T>(hex: T) -> Result<Color, HexColorError>
New Color from sRGB colorspace.
§Examples
let color = Color::hex("FF00FF").unwrap(); // fuchsia
let color = Color::hex("FF00FF7F").unwrap(); // partially transparent fuchsia
// A standard hex color notation is also available
assert_eq!(Color::hex("#FFFFFF").unwrap(), Color::rgb(1.0, 1.0, 1.0));Examples found in repository?
examples/3d/reflection_probes.rs (line 131)
119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139
fn spawn_sphere(
commands: &mut Commands,
meshes: &mut Assets<Mesh>,
materials: &mut Assets<StandardMaterial>,
) {
// Create a sphere mesh.
let sphere_mesh = meshes.add(Sphere::new(1.0).mesh().ico(7).unwrap());
// Create a sphere.
commands.spawn(PbrBundle {
mesh: sphere_mesh.clone(),
material: materials.add(StandardMaterial {
base_color: Color::hex("#ffd891").unwrap(),
metallic: 1.0,
perceptual_roughness: 0.0,
..StandardMaterial::default()
}),
transform: Transform::default(),
..PbrBundle::default()
});
}More examples
examples/3d/atmospheric_fog.rs (line 84)
46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94
fn setup_terrain_scene(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
asset_server: Res<AssetServer>,
) {
// Configure a properly scaled cascade shadow map for this scene (defaults are too large, mesh units are in km)
let cascade_shadow_config = CascadeShadowConfigBuilder {
first_cascade_far_bound: 0.3,
maximum_distance: 3.0,
..default()
}
.build();
// Sun
commands.spawn(DirectionalLightBundle {
directional_light: DirectionalLight {
color: Color::rgb(0.98, 0.95, 0.82),
shadows_enabled: true,
..default()
},
transform: Transform::from_xyz(0.0, 0.0, 0.0)
.looking_at(Vec3::new(-0.15, -0.05, 0.25), Vec3::Y),
cascade_shadow_config,
..default()
});
// Terrain
commands.spawn(SceneBundle {
scene: asset_server.load("models/terrain/Mountains.gltf#Scene0"),
..default()
});
// Sky
commands.spawn((
PbrBundle {
mesh: meshes.add(Cuboid::new(2.0, 1.0, 1.0)),
material: materials.add(StandardMaterial {
base_color: Color::hex("888888").unwrap(),
unlit: true,
cull_mode: None,
..default()
}),
transform: Transform::from_scale(Vec3::splat(20.0)),
..default()
},
NotShadowCaster,
));
}examples/3d/fog.rs (line 54)
48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123
fn setup_pyramid_scene(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
let stone = materials.add(StandardMaterial {
base_color: Color::hex("28221B").unwrap(),
perceptual_roughness: 1.0,
..default()
});
// pillars
for (x, z) in &[(-1.5, -1.5), (1.5, -1.5), (1.5, 1.5), (-1.5, 1.5)] {
commands.spawn(PbrBundle {
mesh: meshes.add(Cuboid::new(1.0, 3.0, 1.0)),
material: stone.clone(),
transform: Transform::from_xyz(*x, 1.5, *z),
..default()
});
}
// orb
commands.spawn((
PbrBundle {
mesh: meshes.add(Sphere::default()),
material: materials.add(StandardMaterial {
base_color: Color::hex("126212CC").unwrap(),
reflectance: 1.0,
perceptual_roughness: 0.0,
metallic: 0.5,
alpha_mode: AlphaMode::Blend,
..default()
}),
transform: Transform::from_scale(Vec3::splat(1.75))
.with_translation(Vec3::new(0.0, 4.0, 0.0)),
..default()
},
NotShadowCaster,
NotShadowReceiver,
));
// steps
for i in 0..50 {
let half_size = i as f32 / 2.0 + 3.0;
let y = -i as f32 / 2.0;
commands.spawn(PbrBundle {
mesh: meshes.add(Cuboid::new(2.0 * half_size, 0.5, 2.0 * half_size)),
material: stone.clone(),
transform: Transform::from_xyz(0.0, y + 0.25, 0.0),
..default()
});
}
// sky
commands.spawn(PbrBundle {
mesh: meshes.add(Cuboid::new(2.0, 1.0, 1.0)),
material: materials.add(StandardMaterial {
base_color: Color::hex("888888").unwrap(),
unlit: true,
cull_mode: None,
..default()
}),
transform: Transform::from_scale(Vec3::splat(1_000_000.0)),
..default()
});
// light
commands.spawn(PointLightBundle {
transform: Transform::from_xyz(0.0, 1.0, 0.0),
point_light: PointLight {
shadows_enabled: true,
..default()
},
..default()
});
}examples/3d/pbr.rs (line 30)
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
asset_server: Res<AssetServer>,
) {
let sphere_mesh = meshes.add(Sphere::new(0.45));
// add entities to the world
for y in -2..=2 {
for x in -5..=5 {
let x01 = (x + 5) as f32 / 10.0;
let y01 = (y + 2) as f32 / 4.0;
// sphere
commands.spawn(PbrBundle {
mesh: sphere_mesh.clone(),
material: materials.add(StandardMaterial {
base_color: Color::hex("#ffd891").unwrap(),
// vary key PBR parameters on a grid of spheres to show the effect
metallic: y01,
perceptual_roughness: x01,
..default()
}),
transform: Transform::from_xyz(x as f32, y as f32 + 0.5, 0.0),
..default()
});
}
}
// unlit sphere
commands.spawn(PbrBundle {
mesh: sphere_mesh,
material: materials.add(StandardMaterial {
base_color: Color::hex("#ffd891").unwrap(),
// vary key PBR parameters on a grid of spheres to show the effect
unlit: true,
..default()
}),
transform: Transform::from_xyz(-5.0, -2.5, 0.0),
..default()
});
commands.spawn(DirectionalLightBundle {
transform: Transform::from_xyz(50.0, 50.0, 50.0).looking_at(Vec3::ZERO, Vec3::Y),
directional_light: DirectionalLight {
illuminance: 1_500.,
..default()
},
..default()
});
// labels
commands.spawn(
TextBundle::from_section(
"Perceptual Roughness",
TextStyle {
font_size: 36.0,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
top: Val::Px(20.0),
left: Val::Px(100.0),
..default()
}),
);
commands.spawn(TextBundle {
text: Text::from_section(
"Metallic",
TextStyle {
font_size: 36.0,
..default()
},
),
style: Style {
position_type: PositionType::Absolute,
top: Val::Px(130.0),
right: Val::ZERO,
..default()
},
transform: Transform {
rotation: Quat::from_rotation_z(std::f32::consts::PI / 2.0),
..default()
},
..default()
});
commands.spawn((
TextBundle::from_section(
"Loading Environment Map...",
TextStyle {
font_size: 36.0,
color: Color::RED,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
bottom: Val::Px(20.0),
right: Val::Px(20.0),
..default()
}),
EnvironmentMapLabel,
));
// camera
commands.spawn((
Camera3dBundle {
transform: Transform::from_xyz(0.0, 0.0, 8.0).looking_at(Vec3::default(), Vec3::Y),
projection: OrthographicProjection {
scale: 0.01,
..default()
}
.into(),
..default()
},
EnvironmentMapLight {
diffuse_map: asset_server.load("environment_maps/pisa_diffuse_rgb9e5_zstd.ktx2"),
specular_map: asset_server.load("environment_maps/pisa_specular_rgb9e5_zstd.ktx2"),
intensity: 900.0,
},
));
}examples/ui/display_and_visibility.rs (line 74)
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177
fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
let palette = PALETTE.map(|hex| Color::hex(hex).unwrap());
let text_style = TextStyle {
font: asset_server.load("fonts/FiraSans-Bold.ttf"),
font_size: 24.0,
..default()
};
commands.spawn(Camera2dBundle::default());
commands.spawn(NodeBundle {
style: Style {
width: Val::Percent(100.),
height: Val::Percent(100.),
flex_direction: FlexDirection::Column,
align_items: AlignItems::Center,
justify_content: JustifyContent::SpaceEvenly,
..Default::default()
},
background_color: BackgroundColor(Color::BLACK),
..Default::default()
}).with_children(|parent| {
parent.spawn(TextBundle {
text: Text::from_section(
"Use the panel on the right to change the Display and Visibility properties for the respective nodes of the panel on the left",
text_style.clone(),
).with_justify(JustifyText::Center),
style: Style {
margin: UiRect::bottom(Val::Px(10.)),
..Default::default()
},
..Default::default()
});
parent
.spawn(NodeBundle {
style: Style {
width: Val::Percent(100.),
..Default::default()
},
..Default::default()
})
.with_children(|parent| {
let mut target_ids = vec![];
parent.spawn(NodeBundle {
style: Style {
width: Val::Percent(50.),
height: Val::Px(520.),
justify_content: JustifyContent::Center,
..Default::default()
},
..Default::default()
}).with_children(|parent| {
target_ids = spawn_left_panel(parent, &palette);
});
parent.spawn(NodeBundle {
style: Style {
width: Val::Percent(50.),
justify_content: JustifyContent::Center,
..Default::default()
},
..Default::default()
}).with_children(|parent| {
spawn_right_panel(parent, text_style, &palette, target_ids);
});
});
parent.spawn(NodeBundle {
style: Style {
flex_direction: FlexDirection::Row,
align_items: AlignItems::Start,
justify_content: JustifyContent::Start,
column_gap: Val::Px(10.),
..Default::default()
},
..default() })
.with_children(|builder| {
let text_style = TextStyle {
font: asset_server.load("fonts/FiraSans-Bold.ttf"),
font_size: 20.0,
..default()
};
builder.spawn(TextBundle {
text: Text::from_section(
"Display::None\nVisibility::Hidden\nVisibility::Inherited",
TextStyle { color: HIDDEN_COLOR, ..text_style.clone() }
).with_justify(JustifyText::Center),
..Default::default()
});
builder.spawn(TextBundle {
text: Text::from_section(
"-\n-\n-",
TextStyle { color: Color::DARK_GRAY, ..text_style.clone() }
).with_justify(JustifyText::Center),
..Default::default()
});
builder.spawn(TextBundle::from_section(
"The UI Node and its descendants will not be visible and will not be allotted any space in the UI layout.\nThe UI Node will not be visible but will still occupy space in the UI layout.\nThe UI node will inherit the visibility property of its parent. If it has no parent it will be visible.",
text_style
));
});
});
}examples/3d/deferred_rendering.rs (line 196)
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224
fn setup(
mut commands: Commands,
asset_server: Res<AssetServer>,
mut materials: ResMut<Assets<StandardMaterial>>,
mut meshes: ResMut<Assets<Mesh>>,
) {
commands.spawn((
Camera3dBundle {
camera: Camera {
// Deferred both supports both hdr: true and hdr: false
hdr: false,
..default()
},
transform: Transform::from_xyz(0.7, 0.7, 1.0)
.looking_at(Vec3::new(0.0, 0.3, 0.0), Vec3::Y),
..default()
},
FogSettings {
color: Color::rgba_u8(43, 44, 47, 255),
falloff: FogFalloff::Linear {
start: 1.0,
end: 8.0,
},
..default()
},
EnvironmentMapLight {
diffuse_map: asset_server.load("environment_maps/pisa_diffuse_rgb9e5_zstd.ktx2"),
specular_map: asset_server.load("environment_maps/pisa_specular_rgb9e5_zstd.ktx2"),
intensity: 2000.0,
},
DepthPrepass,
MotionVectorPrepass,
DeferredPrepass,
Fxaa::default(),
));
commands.spawn(DirectionalLightBundle {
directional_light: DirectionalLight {
illuminance: 15_000.,
shadows_enabled: true,
..default()
},
cascade_shadow_config: CascadeShadowConfigBuilder {
num_cascades: 3,
maximum_distance: 10.0,
..default()
}
.into(),
transform: Transform::from_rotation(Quat::from_euler(EulerRot::ZYX, 0.0, 0.0, -FRAC_PI_4)),
..default()
});
// FlightHelmet
let helmet_scene = asset_server.load("models/FlightHelmet/FlightHelmet.gltf#Scene0");
commands.spawn(SceneBundle {
scene: helmet_scene.clone(),
..default()
});
commands.spawn(SceneBundle {
scene: helmet_scene,
transform: Transform::from_xyz(-4.0, 0.0, -3.0),
..default()
});
let mut forward_mat: StandardMaterial = Color::rgb(0.1, 0.2, 0.1).into();
forward_mat.opaque_render_method = OpaqueRendererMethod::Forward;
let forward_mat_h = materials.add(forward_mat);
// Plane
commands.spawn(PbrBundle {
mesh: meshes.add(Plane3d::default().mesh().size(50.0, 50.0)),
material: forward_mat_h.clone(),
..default()
});
let cube_h = meshes.add(Cuboid::new(0.1, 0.1, 0.1));
let sphere_h = meshes.add(Sphere::new(0.125).mesh().uv(32, 18));
// Cubes
commands.spawn(PbrBundle {
mesh: cube_h.clone(),
material: forward_mat_h.clone(),
transform: Transform::from_xyz(-0.3, 0.5, -0.2),
..default()
});
commands.spawn(PbrBundle {
mesh: cube_h,
material: forward_mat_h,
transform: Transform::from_xyz(0.2, 0.5, 0.2),
..default()
});
let sphere_color = Color::rgb(10.0, 4.0, 1.0);
let sphere_pos = Transform::from_xyz(0.4, 0.5, -0.8);
// Emissive sphere
let mut unlit_mat: StandardMaterial = sphere_color.into();
unlit_mat.unlit = true;
commands.spawn((
PbrBundle {
mesh: sphere_h.clone(),
material: materials.add(unlit_mat),
transform: sphere_pos,
..default()
},
NotShadowCaster,
));
// Light
commands.spawn(PointLightBundle {
point_light: PointLight {
intensity: 800.0,
radius: 0.125,
shadows_enabled: true,
color: sphere_color,
..default()
},
transform: sphere_pos,
..default()
});
// Spheres
for i in 0..6 {
let j = i % 3;
let s_val = if i < 3 { 0.0 } else { 0.2 };
let material = if j == 0 {
materials.add(StandardMaterial {
base_color: Color::rgb(s_val, s_val, 1.0),
perceptual_roughness: 0.089,
metallic: 0.0,
..default()
})
} else if j == 1 {
materials.add(StandardMaterial {
base_color: Color::rgb(s_val, 1.0, s_val),
perceptual_roughness: 0.089,
metallic: 0.0,
..default()
})
} else {
materials.add(StandardMaterial {
base_color: Color::rgb(1.0, s_val, s_val),
perceptual_roughness: 0.089,
metallic: 0.0,
..default()
})
};
commands.spawn(PbrBundle {
mesh: sphere_h.clone(),
material,
transform: Transform::from_xyz(
j as f32 * 0.25 + if i < 3 { -0.15 } else { 0.15 } - 0.4,
0.125,
-j as f32 * 0.25 + if i < 3 { -0.15 } else { 0.15 } + 0.4,
),
..default()
});
}
// sky
commands.spawn((
PbrBundle {
mesh: meshes.add(Cuboid::new(2.0, 1.0, 1.0)),
material: materials.add(StandardMaterial {
base_color: Color::hex("888888").unwrap(),
unlit: true,
cull_mode: None,
..default()
}),
transform: Transform::from_scale(Vec3::splat(1_000_000.0)),
..default()
},
NotShadowCaster,
NotShadowReceiver,
));
// Example instructions
commands.spawn(
TextBundle::from_section(
"",
TextStyle {
font_size: 18.0,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
top: Val::Px(10.0),
left: Val::Px(10.0),
..default()
}),
);
}sourcepub fn rgb_u8(r: u8, g: u8, b: u8) -> Color
pub fn rgb_u8(r: u8, g: u8, b: u8) -> Color
New Color from sRGB colorspace.
§Arguments
r- Red channel. [0, 255]g- Green channel. [0, 255]b- Blue channel. [0, 255]
See also Color::rgb, Color::rgba_u8, Color::hex.
Examples found in repository?
examples/stress_tests/bevymark.rs (line 583)
560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591
fn init_materials(
args: &Args,
textures: &[Handle<Image>],
assets: &mut Assets<ColorMaterial>,
) -> Vec<Handle<ColorMaterial>> {
let capacity = if args.vary_per_instance {
args.per_wave * args.waves
} else {
args.material_texture_count.max(args.waves)
}
.max(1);
let mut materials = Vec::with_capacity(capacity);
materials.push(assets.add(ColorMaterial {
color: Color::WHITE,
texture: textures.first().cloned(),
}));
let mut color_rng = StdRng::seed_from_u64(42);
let mut texture_rng = StdRng::seed_from_u64(42);
materials.extend(
std::iter::repeat_with(|| {
assets.add(ColorMaterial {
color: Color::rgb_u8(color_rng.gen(), color_rng.gen(), color_rng.gen()),
texture: textures.choose(&mut texture_rng).cloned(),
})
})
.take(capacity - materials.len()),
);
materials
}More examples
examples/3d/3d_scene.rs (line 28)
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
// circular base
commands.spawn(PbrBundle {
mesh: meshes.add(Circle::new(4.0)),
material: materials.add(Color::WHITE),
transform: Transform::from_rotation(Quat::from_rotation_x(-std::f32::consts::FRAC_PI_2)),
..default()
});
// cube
commands.spawn(PbrBundle {
mesh: meshes.add(Cuboid::new(1.0, 1.0, 1.0)),
material: materials.add(Color::rgb_u8(124, 144, 255)),
transform: Transform::from_xyz(0.0, 0.5, 0.0),
..default()
});
// light
commands.spawn(PointLightBundle {
point_light: PointLight {
shadows_enabled: true,
..default()
},
transform: Transform::from_xyz(4.0, 8.0, 4.0),
..default()
});
// camera
commands.spawn(Camera3dBundle {
transform: Transform::from_xyz(-2.5, 4.5, 9.0).looking_at(Vec3::ZERO, Vec3::Y),
..default()
});
}examples/stress_tests/many_cubes.rs (line 246)
219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255
fn init_materials(
args: &Args,
textures: &[Handle<Image>],
assets: &mut Assets<StandardMaterial>,
) -> Vec<Handle<StandardMaterial>> {
let capacity = if args.vary_per_instance {
match args.layout {
Layout::Cube => (WIDTH - WIDTH / 10) * (HEIGHT - HEIGHT / 10),
Layout::Sphere => WIDTH * HEIGHT * 4,
}
} else {
args.material_texture_count
}
.max(1);
let mut materials = Vec::with_capacity(capacity);
materials.push(assets.add(StandardMaterial {
base_color: Color::WHITE,
base_color_texture: textures.first().cloned(),
..default()
}));
let mut color_rng = StdRng::seed_from_u64(42);
let mut texture_rng = StdRng::seed_from_u64(42);
materials.extend(
std::iter::repeat_with(|| {
assets.add(StandardMaterial {
base_color: Color::rgb_u8(color_rng.gen(), color_rng.gen(), color_rng.gen()),
base_color_texture: textures.choose(&mut texture_rng).cloned(),
..default()
})
})
.take(capacity - materials.len()),
);
materials
}examples/3d/skybox.rs (line 91)
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
// directional 'sun' light
commands.spawn(DirectionalLightBundle {
directional_light: DirectionalLight {
illuminance: 32000.0,
..default()
},
transform: Transform::from_xyz(0.0, 2.0, 0.0)
.with_rotation(Quat::from_rotation_x(-PI / 4.)),
..default()
});
let skybox_handle = asset_server.load(CUBEMAPS[0].0);
// camera
commands.spawn((
Camera3dBundle {
transform: Transform::from_xyz(0.0, 0.0, 8.0).looking_at(Vec3::ZERO, Vec3::Y),
..default()
},
CameraController::default(),
Skybox {
image: skybox_handle.clone(),
brightness: 1000.0,
},
));
// ambient light
// NOTE: The ambient light is used to scale how bright the environment map is so with a bright
// environment map, use an appropriate color and brightness to match
commands.insert_resource(AmbientLight {
color: Color::rgb_u8(210, 220, 240),
brightness: 1.0,
});
commands.insert_resource(Cubemap {
is_loaded: false,
index: 0,
image_handle: skybox_handle,
});
}examples/3d/spotlight.rs (line 49)
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
// ground plane
commands.spawn((
PbrBundle {
mesh: meshes.add(Plane3d::default().mesh().size(100.0, 100.0)),
material: materials.add(Color::WHITE),
..default()
},
Movable,
));
// cubes
let mut rng = StdRng::seed_from_u64(19878367467713);
let cube_mesh = meshes.add(Cuboid::new(0.5, 0.5, 0.5));
let blue = materials.add(Color::rgb_u8(124, 144, 255));
commands.spawn_batch(
std::iter::repeat_with(move || {
let x = rng.gen_range(-5.0..5.0);
let y = rng.gen_range(0.0..3.0);
let z = rng.gen_range(-5.0..5.0);
(
PbrBundle {
mesh: cube_mesh.clone(),
material: blue.clone(),
transform: Transform::from_xyz(x, y, z),
..default()
},
Movable,
)
})
.take(40),
);
let sphere_mesh = meshes.add(Sphere::new(0.05).mesh().uv(32, 18));
let sphere_mesh_direction = meshes.add(Sphere::new(0.1).mesh().uv(32, 18));
let red_emissive = materials.add(StandardMaterial {
base_color: Color::RED,
emissive: Color::rgba_linear(100.0, 0.0, 0.0, 0.0),
..default()
});
let maroon_emissive = materials.add(StandardMaterial {
base_color: Color::MAROON,
emissive: Color::rgba_linear(50.0, 0.0, 0.0, 0.0),
..default()
});
for x in 0..4 {
for z in 0..4 {
let x = x as f32 - 2.0;
let z = z as f32 - 2.0;
// red spot_light
commands
.spawn(SpotLightBundle {
transform: Transform::from_xyz(1.0 + x, 2.0, z)
.looking_at(Vec3::new(1.0 + x, 0.0, z), Vec3::X),
spot_light: SpotLight {
intensity: 40_000.0, // lumens
color: Color::WHITE,
shadows_enabled: true,
inner_angle: PI / 4.0 * 0.85,
outer_angle: PI / 4.0,
..default()
},
..default()
})
.with_children(|builder| {
builder.spawn(PbrBundle {
mesh: sphere_mesh.clone(),
material: red_emissive.clone(),
..default()
});
builder.spawn((
PbrBundle {
transform: Transform::from_translation(Vec3::Z * -0.1),
mesh: sphere_mesh_direction.clone(),
material: maroon_emissive.clone(),
..default()
},
NotShadowCaster,
));
});
}
}
// camera
commands.spawn(Camera3dBundle {
camera: Camera {
hdr: true,
..default()
},
transform: Transform::from_xyz(-4.0, 5.0, 10.0).looking_at(Vec3::ZERO, Vec3::Y),
..default()
});
commands.spawn(
TextBundle::from_section(
INSTRUCTIONS,
TextStyle {
font_size: 20.0,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
top: Val::Px(12.0),
left: Val::Px(12.0),
..default()
}),
);
}examples/3d/parallax_mapping.rs (line 246)
200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338
fn setup(
mut commands: Commands,
mut materials: ResMut<Assets<StandardMaterial>>,
mut meshes: ResMut<Assets<Mesh>>,
mut normal: ResMut<Normal>,
asset_server: Res<AssetServer>,
) {
// The normal map. Note that to generate it in the GIMP image editor, you should
// open the depth map, and do Filters → Generic → Normal Map
// You should enable the "flip X" checkbox.
let normal_handle = asset_server.load("textures/parallax_example/cube_normal.png");
normal.0 = Some(normal_handle);
// Camera
commands.spawn((
Camera3dBundle {
transform: Transform::from_xyz(1.5, 1.5, 1.5).looking_at(Vec3::ZERO, Vec3::Y),
..default()
},
CameraController,
));
// light
commands
.spawn(PointLightBundle {
transform: Transform::from_xyz(2.0, 1.0, -1.1),
point_light: PointLight {
shadows_enabled: true,
..default()
},
..default()
})
.with_children(|commands| {
// represent the light source as a sphere
let mesh = meshes.add(Sphere::new(0.05).mesh().ico(3).unwrap());
commands.spawn(PbrBundle { mesh, ..default() });
});
// Plane
commands.spawn(PbrBundle {
mesh: meshes.add(Plane3d::default().mesh().size(10.0, 10.0)),
material: materials.add(StandardMaterial {
// standard material derived from dark green, but
// with roughness and reflectance set.
perceptual_roughness: 0.45,
reflectance: 0.18,
..Color::rgb_u8(0, 80, 0).into()
}),
transform: Transform::from_xyz(0.0, -1.0, 0.0),
..default()
});
let parallax_depth_scale = TargetDepth::default().0;
let max_parallax_layer_count = TargetLayers::default().0.exp2();
let parallax_mapping_method = CurrentMethod::default();
let parallax_material = materials.add(StandardMaterial {
perceptual_roughness: 0.4,
base_color_texture: Some(asset_server.load("textures/parallax_example/cube_color.png")),
normal_map_texture: normal.0.clone(),
// The depth map is a greyscale texture where black is the highest level and
// white the lowest.
depth_map: Some(asset_server.load("textures/parallax_example/cube_depth.png")),
parallax_depth_scale,
parallax_mapping_method: parallax_mapping_method.0,
max_parallax_layer_count,
..default()
});
commands.spawn((
PbrBundle {
mesh: meshes.add(
// NOTE: for normal maps and depth maps to work, the mesh
// needs tangents generated.
Mesh::from(Cuboid::default())
.with_generated_tangents()
.unwrap(),
),
material: parallax_material.clone_weak(),
..default()
},
Spin { speed: 0.3 },
));
let background_cube = meshes.add(
Mesh::from(Cuboid::new(40.0, 40.0, 40.0))
.with_generated_tangents()
.unwrap(),
);
let background_cube_bundle = |translation| {
(
PbrBundle {
transform: Transform::from_translation(translation),
mesh: background_cube.clone(),
material: parallax_material.clone(),
..default()
},
Spin { speed: -0.1 },
)
};
commands.spawn(background_cube_bundle(Vec3::new(45., 0., 0.)));
commands.spawn(background_cube_bundle(Vec3::new(-45., 0., 0.)));
commands.spawn(background_cube_bundle(Vec3::new(0., 0., 45.)));
commands.spawn(background_cube_bundle(Vec3::new(0., 0., -45.)));
let style = TextStyle {
font_size: 20.0,
..default()
};
// example instructions
commands.spawn(
TextBundle::from_sections(vec![
TextSection::new(
format!("Parallax depth scale: {parallax_depth_scale:.5}\n"),
style.clone(),
),
TextSection::new(
format!("Layers: {max_parallax_layer_count:.0}\n"),
style.clone(),
),
TextSection::new(format!("{parallax_mapping_method}\n"), style.clone()),
TextSection::new("\n\n", style.clone()),
TextSection::new("Controls:\n", style.clone()),
TextSection::new("Left click - Change view angle\n", style.clone()),
TextSection::new(
"1/2 - Decrease/Increase parallax depth scale\n",
style.clone(),
),
TextSection::new("3/4 - Decrease/Increase layer count\n", style.clone()),
TextSection::new("Space - Switch parallaxing algorithm\n", style),
])
.with_style(Style {
position_type: PositionType::Absolute,
top: Val::Px(12.0),
left: Val::Px(12.0),
..default()
}),
);
}sourcepub fn rgba_u8(r: u8, g: u8, b: u8, a: u8) -> Color
pub fn rgba_u8(r: u8, g: u8, b: u8, a: u8) -> Color
New Color from sRGB colorspace.
§Arguments
r- Red channel. [0, 255]g- Green channel. [0, 255]b- Blue channel. [0, 255]a- Alpha channel. [0, 255]
See also Color::rgba, Color::rgb_u8, Color::hex.
Examples found in repository?
examples/3d/tonemapping.rs (line 69)
53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
fn setup(
mut commands: Commands,
asset_server: Res<AssetServer>,
camera_transform: Res<CameraTransform>,
) {
// camera
commands.spawn((
Camera3dBundle {
camera: Camera {
hdr: true,
..default()
},
transform: camera_transform.0,
..default()
},
FogSettings {
color: Color::rgba_u8(43, 44, 47, 255),
falloff: FogFalloff::Linear {
start: 1.0,
end: 8.0,
},
..default()
},
EnvironmentMapLight {
diffuse_map: asset_server.load("environment_maps/pisa_diffuse_rgb9e5_zstd.ktx2"),
specular_map: asset_server.load("environment_maps/pisa_specular_rgb9e5_zstd.ktx2"),
intensity: 2000.0,
},
));
// ui
commands.spawn(
TextBundle::from_section(
"",
TextStyle {
font_size: 18.0,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
top: Val::Px(10.0),
left: Val::Px(10.0),
..default()
}),
);
}More examples
examples/3d/anti_aliasing.rs (line 332)
254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
mut images: ResMut<Assets<Image>>,
asset_server: Res<AssetServer>,
) {
// Plane
commands.spawn(PbrBundle {
mesh: meshes.add(Plane3d::default().mesh().size(50.0, 50.0)),
material: materials.add(Color::rgb(0.1, 0.2, 0.1)),
..default()
});
let cube_material = materials.add(StandardMaterial {
base_color_texture: Some(images.add(uv_debug_texture())),
..default()
});
// Cubes
for i in 0..5 {
commands.spawn(PbrBundle {
mesh: meshes.add(Cuboid::new(0.25, 0.25, 0.25)),
material: cube_material.clone(),
transform: Transform::from_xyz(i as f32 * 0.25 - 1.0, 0.125, -i as f32 * 0.5),
..default()
});
}
// Flight Helmet
commands.spawn(SceneBundle {
scene: asset_server.load("models/FlightHelmet/FlightHelmet.gltf#Scene0"),
..default()
});
// Light
commands.spawn(DirectionalLightBundle {
directional_light: DirectionalLight {
illuminance: light_consts::lux::FULL_DAYLIGHT,
shadows_enabled: true,
..default()
},
transform: Transform::from_rotation(Quat::from_euler(
EulerRot::ZYX,
0.0,
PI * -0.15,
PI * -0.15,
)),
cascade_shadow_config: CascadeShadowConfigBuilder {
maximum_distance: 3.0,
first_cascade_far_bound: 0.9,
..default()
}
.into(),
..default()
});
// Camera
commands.spawn((
Camera3dBundle {
camera: Camera {
hdr: true,
..default()
},
transform: Transform::from_xyz(0.7, 0.7, 1.0)
.looking_at(Vec3::new(0.0, 0.3, 0.0), Vec3::Y),
..default()
},
ContrastAdaptiveSharpeningSettings {
enabled: false,
..default()
},
EnvironmentMapLight {
diffuse_map: asset_server.load("environment_maps/pisa_diffuse_rgb9e5_zstd.ktx2"),
specular_map: asset_server.load("environment_maps/pisa_specular_rgb9e5_zstd.ktx2"),
intensity: 150.0,
},
FogSettings {
color: Color::rgba_u8(43, 44, 47, 255),
falloff: FogFalloff::Linear {
start: 1.0,
end: 4.0,
},
..default()
},
));
// example instructions
commands.spawn(
TextBundle::from_section(
"",
TextStyle {
font_size: 20.,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
top: Val::Px(12.0),
left: Val::Px(12.0),
..default()
}),
);
}examples/3d/deferred_rendering.rs (line 51)
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224
fn setup(
mut commands: Commands,
asset_server: Res<AssetServer>,
mut materials: ResMut<Assets<StandardMaterial>>,
mut meshes: ResMut<Assets<Mesh>>,
) {
commands.spawn((
Camera3dBundle {
camera: Camera {
// Deferred both supports both hdr: true and hdr: false
hdr: false,
..default()
},
transform: Transform::from_xyz(0.7, 0.7, 1.0)
.looking_at(Vec3::new(0.0, 0.3, 0.0), Vec3::Y),
..default()
},
FogSettings {
color: Color::rgba_u8(43, 44, 47, 255),
falloff: FogFalloff::Linear {
start: 1.0,
end: 8.0,
},
..default()
},
EnvironmentMapLight {
diffuse_map: asset_server.load("environment_maps/pisa_diffuse_rgb9e5_zstd.ktx2"),
specular_map: asset_server.load("environment_maps/pisa_specular_rgb9e5_zstd.ktx2"),
intensity: 2000.0,
},
DepthPrepass,
MotionVectorPrepass,
DeferredPrepass,
Fxaa::default(),
));
commands.spawn(DirectionalLightBundle {
directional_light: DirectionalLight {
illuminance: 15_000.,
shadows_enabled: true,
..default()
},
cascade_shadow_config: CascadeShadowConfigBuilder {
num_cascades: 3,
maximum_distance: 10.0,
..default()
}
.into(),
transform: Transform::from_rotation(Quat::from_euler(EulerRot::ZYX, 0.0, 0.0, -FRAC_PI_4)),
..default()
});
// FlightHelmet
let helmet_scene = asset_server.load("models/FlightHelmet/FlightHelmet.gltf#Scene0");
commands.spawn(SceneBundle {
scene: helmet_scene.clone(),
..default()
});
commands.spawn(SceneBundle {
scene: helmet_scene,
transform: Transform::from_xyz(-4.0, 0.0, -3.0),
..default()
});
let mut forward_mat: StandardMaterial = Color::rgb(0.1, 0.2, 0.1).into();
forward_mat.opaque_render_method = OpaqueRendererMethod::Forward;
let forward_mat_h = materials.add(forward_mat);
// Plane
commands.spawn(PbrBundle {
mesh: meshes.add(Plane3d::default().mesh().size(50.0, 50.0)),
material: forward_mat_h.clone(),
..default()
});
let cube_h = meshes.add(Cuboid::new(0.1, 0.1, 0.1));
let sphere_h = meshes.add(Sphere::new(0.125).mesh().uv(32, 18));
// Cubes
commands.spawn(PbrBundle {
mesh: cube_h.clone(),
material: forward_mat_h.clone(),
transform: Transform::from_xyz(-0.3, 0.5, -0.2),
..default()
});
commands.spawn(PbrBundle {
mesh: cube_h,
material: forward_mat_h,
transform: Transform::from_xyz(0.2, 0.5, 0.2),
..default()
});
let sphere_color = Color::rgb(10.0, 4.0, 1.0);
let sphere_pos = Transform::from_xyz(0.4, 0.5, -0.8);
// Emissive sphere
let mut unlit_mat: StandardMaterial = sphere_color.into();
unlit_mat.unlit = true;
commands.spawn((
PbrBundle {
mesh: sphere_h.clone(),
material: materials.add(unlit_mat),
transform: sphere_pos,
..default()
},
NotShadowCaster,
));
// Light
commands.spawn(PointLightBundle {
point_light: PointLight {
intensity: 800.0,
radius: 0.125,
shadows_enabled: true,
color: sphere_color,
..default()
},
transform: sphere_pos,
..default()
});
// Spheres
for i in 0..6 {
let j = i % 3;
let s_val = if i < 3 { 0.0 } else { 0.2 };
let material = if j == 0 {
materials.add(StandardMaterial {
base_color: Color::rgb(s_val, s_val, 1.0),
perceptual_roughness: 0.089,
metallic: 0.0,
..default()
})
} else if j == 1 {
materials.add(StandardMaterial {
base_color: Color::rgb(s_val, 1.0, s_val),
perceptual_roughness: 0.089,
metallic: 0.0,
..default()
})
} else {
materials.add(StandardMaterial {
base_color: Color::rgb(1.0, s_val, s_val),
perceptual_roughness: 0.089,
metallic: 0.0,
..default()
})
};
commands.spawn(PbrBundle {
mesh: sphere_h.clone(),
material,
transform: Transform::from_xyz(
j as f32 * 0.25 + if i < 3 { -0.15 } else { 0.15 } - 0.4,
0.125,
-j as f32 * 0.25 + if i < 3 { -0.15 } else { 0.15 } + 0.4,
),
..default()
});
}
// sky
commands.spawn((
PbrBundle {
mesh: meshes.add(Cuboid::new(2.0, 1.0, 1.0)),
material: materials.add(StandardMaterial {
base_color: Color::hex("888888").unwrap(),
unlit: true,
cull_mode: None,
..default()
}),
transform: Transform::from_scale(Vec3::splat(1_000_000.0)),
..default()
},
NotShadowCaster,
NotShadowReceiver,
));
// Example instructions
commands.spawn(
TextBundle::from_section(
"",
TextStyle {
font_size: 18.0,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
top: Val::Px(10.0),
left: Val::Px(10.0),
..default()
}),
);
}sourcepub fn r(&self) -> f32
pub fn r(&self) -> f32
Converts a Color to variant Color::Rgba and return red in sRGB colorspace
Examples found in repository?
examples/3d/fog.rs (line 263)
143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301
fn update_system(
mut camera: Query<(&mut FogSettings, &mut Transform)>,
mut text: Query<&mut Text>,
time: Res<Time>,
keycode: Res<ButtonInput<KeyCode>>,
) {
let now = time.elapsed_seconds();
let delta = time.delta_seconds();
let (mut fog, mut transform) = camera.single_mut();
let mut text = text.single_mut();
// Orbit camera around pyramid
let orbit_scale = 8.0 + (now / 10.0).sin() * 7.0;
*transform = Transform::from_xyz(
(now / 5.0).cos() * orbit_scale,
12.0 - orbit_scale / 2.0,
(now / 5.0).sin() * orbit_scale,
)
.looking_at(Vec3::ZERO, Vec3::Y);
// Fog Information
text.sections[0].value = format!("Fog Falloff: {:?}\nFog Color: {:?}", fog.falloff, fog.color);
// Fog Falloff Mode Switching
text.sections[0]
.value
.push_str("\n\n1 / 2 / 3 - Fog Falloff Mode");
if keycode.pressed(KeyCode::Digit1) {
if let FogFalloff::Linear { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Linear {
start: 5.0,
end: 20.0,
};
};
}
if keycode.pressed(KeyCode::Digit2) {
if let FogFalloff::Exponential { .. } = fog.falloff {
// No change
} else if let FogFalloff::ExponentialSquared { density } = fog.falloff {
fog.falloff = FogFalloff::Exponential { density };
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
if keycode.pressed(KeyCode::Digit3) {
if let FogFalloff::Exponential { density } = fog.falloff {
fog.falloff = FogFalloff::ExponentialSquared { density };
} else if let FogFalloff::ExponentialSquared { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
// Linear Fog Controls
if let FogFalloff::Linear {
ref mut start,
ref mut end,
} = &mut fog.falloff
{
text.sections[0]
.value
.push_str("\nA / S - Move Start Distance\nZ / X - Move End Distance");
if keycode.pressed(KeyCode::KeyA) {
*start -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyS) {
*start += delta * 3.0;
}
if keycode.pressed(KeyCode::KeyZ) {
*end -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyX) {
*end += delta * 3.0;
}
}
// Exponential Fog Controls
if let FogFalloff::Exponential { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// ExponentialSquared Fog Controls
if let FogFalloff::ExponentialSquared { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// RGBA Controls
text.sections[0]
.value
.push_str("\n\n- / = - Red\n[ / ] - Green\n; / ' - Blue\n. / ? - Alpha");
if keycode.pressed(KeyCode::Minus) {
let r = (fog.color.r() - 0.1 * delta).max(0.0);
fog.color.set_r(r);
}
if keycode.any_pressed([KeyCode::Equal, KeyCode::NumpadEqual]) {
let r = (fog.color.r() + 0.1 * delta).min(1.0);
fog.color.set_r(r);
}
if keycode.pressed(KeyCode::BracketLeft) {
let g = (fog.color.g() - 0.1 * delta).max(0.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::BracketRight) {
let g = (fog.color.g() + 0.1 * delta).min(1.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::Semicolon) {
let b = (fog.color.b() - 0.1 * delta).max(0.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Quote) {
let b = (fog.color.b() + 0.1 * delta).min(1.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Period) {
let a = (fog.color.a() - 0.1 * delta).max(0.0);
fog.color.set_a(a);
}
if keycode.pressed(KeyCode::Slash) {
let a = (fog.color.a() + 0.1 * delta).min(1.0);
fog.color.set_a(a);
}
}sourcepub fn g(&self) -> f32
pub fn g(&self) -> f32
Converts a Color to variant Color::Rgba and return green in sRGB colorspace
Examples found in repository?
examples/3d/fog.rs (line 273)
143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301
fn update_system(
mut camera: Query<(&mut FogSettings, &mut Transform)>,
mut text: Query<&mut Text>,
time: Res<Time>,
keycode: Res<ButtonInput<KeyCode>>,
) {
let now = time.elapsed_seconds();
let delta = time.delta_seconds();
let (mut fog, mut transform) = camera.single_mut();
let mut text = text.single_mut();
// Orbit camera around pyramid
let orbit_scale = 8.0 + (now / 10.0).sin() * 7.0;
*transform = Transform::from_xyz(
(now / 5.0).cos() * orbit_scale,
12.0 - orbit_scale / 2.0,
(now / 5.0).sin() * orbit_scale,
)
.looking_at(Vec3::ZERO, Vec3::Y);
// Fog Information
text.sections[0].value = format!("Fog Falloff: {:?}\nFog Color: {:?}", fog.falloff, fog.color);
// Fog Falloff Mode Switching
text.sections[0]
.value
.push_str("\n\n1 / 2 / 3 - Fog Falloff Mode");
if keycode.pressed(KeyCode::Digit1) {
if let FogFalloff::Linear { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Linear {
start: 5.0,
end: 20.0,
};
};
}
if keycode.pressed(KeyCode::Digit2) {
if let FogFalloff::Exponential { .. } = fog.falloff {
// No change
} else if let FogFalloff::ExponentialSquared { density } = fog.falloff {
fog.falloff = FogFalloff::Exponential { density };
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
if keycode.pressed(KeyCode::Digit3) {
if let FogFalloff::Exponential { density } = fog.falloff {
fog.falloff = FogFalloff::ExponentialSquared { density };
} else if let FogFalloff::ExponentialSquared { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
// Linear Fog Controls
if let FogFalloff::Linear {
ref mut start,
ref mut end,
} = &mut fog.falloff
{
text.sections[0]
.value
.push_str("\nA / S - Move Start Distance\nZ / X - Move End Distance");
if keycode.pressed(KeyCode::KeyA) {
*start -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyS) {
*start += delta * 3.0;
}
if keycode.pressed(KeyCode::KeyZ) {
*end -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyX) {
*end += delta * 3.0;
}
}
// Exponential Fog Controls
if let FogFalloff::Exponential { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// ExponentialSquared Fog Controls
if let FogFalloff::ExponentialSquared { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// RGBA Controls
text.sections[0]
.value
.push_str("\n\n- / = - Red\n[ / ] - Green\n; / ' - Blue\n. / ? - Alpha");
if keycode.pressed(KeyCode::Minus) {
let r = (fog.color.r() - 0.1 * delta).max(0.0);
fog.color.set_r(r);
}
if keycode.any_pressed([KeyCode::Equal, KeyCode::NumpadEqual]) {
let r = (fog.color.r() + 0.1 * delta).min(1.0);
fog.color.set_r(r);
}
if keycode.pressed(KeyCode::BracketLeft) {
let g = (fog.color.g() - 0.1 * delta).max(0.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::BracketRight) {
let g = (fog.color.g() + 0.1 * delta).min(1.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::Semicolon) {
let b = (fog.color.b() - 0.1 * delta).max(0.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Quote) {
let b = (fog.color.b() + 0.1 * delta).min(1.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Period) {
let a = (fog.color.a() - 0.1 * delta).max(0.0);
fog.color.set_a(a);
}
if keycode.pressed(KeyCode::Slash) {
let a = (fog.color.a() + 0.1 * delta).min(1.0);
fog.color.set_a(a);
}
}sourcepub fn b(&self) -> f32
pub fn b(&self) -> f32
Converts a Color to variant Color::Rgba and return blue in sRGB colorspace
Examples found in repository?
examples/3d/fog.rs (line 283)
143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301
fn update_system(
mut camera: Query<(&mut FogSettings, &mut Transform)>,
mut text: Query<&mut Text>,
time: Res<Time>,
keycode: Res<ButtonInput<KeyCode>>,
) {
let now = time.elapsed_seconds();
let delta = time.delta_seconds();
let (mut fog, mut transform) = camera.single_mut();
let mut text = text.single_mut();
// Orbit camera around pyramid
let orbit_scale = 8.0 + (now / 10.0).sin() * 7.0;
*transform = Transform::from_xyz(
(now / 5.0).cos() * orbit_scale,
12.0 - orbit_scale / 2.0,
(now / 5.0).sin() * orbit_scale,
)
.looking_at(Vec3::ZERO, Vec3::Y);
// Fog Information
text.sections[0].value = format!("Fog Falloff: {:?}\nFog Color: {:?}", fog.falloff, fog.color);
// Fog Falloff Mode Switching
text.sections[0]
.value
.push_str("\n\n1 / 2 / 3 - Fog Falloff Mode");
if keycode.pressed(KeyCode::Digit1) {
if let FogFalloff::Linear { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Linear {
start: 5.0,
end: 20.0,
};
};
}
if keycode.pressed(KeyCode::Digit2) {
if let FogFalloff::Exponential { .. } = fog.falloff {
// No change
} else if let FogFalloff::ExponentialSquared { density } = fog.falloff {
fog.falloff = FogFalloff::Exponential { density };
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
if keycode.pressed(KeyCode::Digit3) {
if let FogFalloff::Exponential { density } = fog.falloff {
fog.falloff = FogFalloff::ExponentialSquared { density };
} else if let FogFalloff::ExponentialSquared { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
// Linear Fog Controls
if let FogFalloff::Linear {
ref mut start,
ref mut end,
} = &mut fog.falloff
{
text.sections[0]
.value
.push_str("\nA / S - Move Start Distance\nZ / X - Move End Distance");
if keycode.pressed(KeyCode::KeyA) {
*start -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyS) {
*start += delta * 3.0;
}
if keycode.pressed(KeyCode::KeyZ) {
*end -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyX) {
*end += delta * 3.0;
}
}
// Exponential Fog Controls
if let FogFalloff::Exponential { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// ExponentialSquared Fog Controls
if let FogFalloff::ExponentialSquared { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// RGBA Controls
text.sections[0]
.value
.push_str("\n\n- / = - Red\n[ / ] - Green\n; / ' - Blue\n. / ? - Alpha");
if keycode.pressed(KeyCode::Minus) {
let r = (fog.color.r() - 0.1 * delta).max(0.0);
fog.color.set_r(r);
}
if keycode.any_pressed([KeyCode::Equal, KeyCode::NumpadEqual]) {
let r = (fog.color.r() + 0.1 * delta).min(1.0);
fog.color.set_r(r);
}
if keycode.pressed(KeyCode::BracketLeft) {
let g = (fog.color.g() - 0.1 * delta).max(0.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::BracketRight) {
let g = (fog.color.g() + 0.1 * delta).min(1.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::Semicolon) {
let b = (fog.color.b() - 0.1 * delta).max(0.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Quote) {
let b = (fog.color.b() + 0.1 * delta).min(1.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Period) {
let a = (fog.color.a() - 0.1 * delta).max(0.0);
fog.color.set_a(a);
}
if keycode.pressed(KeyCode::Slash) {
let a = (fog.color.a() + 0.1 * delta).min(1.0);
fog.color.set_a(a);
}
}sourcepub fn set_r(&mut self, r: f32) -> &mut Color
pub fn set_r(&mut self, r: f32) -> &mut Color
Converts a Color to variant Color::Rgba and set red
Examples found in repository?
More examples
examples/3d/blend_modes.rs (line 306)
278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348
fn example_control_system(
mut materials: ResMut<Assets<StandardMaterial>>,
controllable: Query<(&Handle<StandardMaterial>, &ExampleControls)>,
mut camera: Query<(&mut Camera, &mut Transform, &GlobalTransform), With<Camera3d>>,
mut labels: Query<(&mut Style, &ExampleLabel)>,
mut display: Query<&mut Text, With<ExampleDisplay>>,
labelled: Query<&GlobalTransform>,
mut state: Local<ExampleState>,
time: Res<Time>,
input: Res<ButtonInput<KeyCode>>,
) {
if input.pressed(KeyCode::ArrowUp) {
state.alpha = (state.alpha + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::ArrowDown) {
state.alpha = (state.alpha - time.delta_seconds()).max(0.0);
}
if input.just_pressed(KeyCode::Space) {
state.unlit = !state.unlit;
}
let randomize_colors = input.just_pressed(KeyCode::KeyC);
for (material_handle, controls) in &controllable {
let material = materials.get_mut(material_handle).unwrap();
material.base_color.set_a(state.alpha);
if controls.color && randomize_colors {
material.base_color.set_r(random());
material.base_color.set_g(random());
material.base_color.set_b(random());
}
if controls.unlit {
material.unlit = state.unlit;
}
}
let (mut camera, mut camera_transform, camera_global_transform) = camera.single_mut();
if input.just_pressed(KeyCode::KeyH) {
camera.hdr = !camera.hdr;
}
let rotation = if input.pressed(KeyCode::ArrowLeft) {
time.delta_seconds()
} else if input.pressed(KeyCode::ArrowRight) {
-time.delta_seconds()
} else {
0.0
};
camera_transform.rotate_around(Vec3::ZERO, Quat::from_rotation_y(rotation));
for (mut style, label) in &mut labels {
let world_position = labelled.get(label.entity).unwrap().translation() + Vec3::Y;
let viewport_position = camera
.world_to_viewport(camera_global_transform, world_position)
.unwrap();
style.top = Val::Px(viewport_position.y);
style.left = Val::Px(viewport_position.x);
}
let mut display = display.single_mut();
display.sections[0].value = format!(
" HDR: {}\nAlpha: {:.2}",
if camera.hdr { "ON " } else { "OFF" },
state.alpha
);
}examples/3d/fog.rs (line 264)
143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301
fn update_system(
mut camera: Query<(&mut FogSettings, &mut Transform)>,
mut text: Query<&mut Text>,
time: Res<Time>,
keycode: Res<ButtonInput<KeyCode>>,
) {
let now = time.elapsed_seconds();
let delta = time.delta_seconds();
let (mut fog, mut transform) = camera.single_mut();
let mut text = text.single_mut();
// Orbit camera around pyramid
let orbit_scale = 8.0 + (now / 10.0).sin() * 7.0;
*transform = Transform::from_xyz(
(now / 5.0).cos() * orbit_scale,
12.0 - orbit_scale / 2.0,
(now / 5.0).sin() * orbit_scale,
)
.looking_at(Vec3::ZERO, Vec3::Y);
// Fog Information
text.sections[0].value = format!("Fog Falloff: {:?}\nFog Color: {:?}", fog.falloff, fog.color);
// Fog Falloff Mode Switching
text.sections[0]
.value
.push_str("\n\n1 / 2 / 3 - Fog Falloff Mode");
if keycode.pressed(KeyCode::Digit1) {
if let FogFalloff::Linear { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Linear {
start: 5.0,
end: 20.0,
};
};
}
if keycode.pressed(KeyCode::Digit2) {
if let FogFalloff::Exponential { .. } = fog.falloff {
// No change
} else if let FogFalloff::ExponentialSquared { density } = fog.falloff {
fog.falloff = FogFalloff::Exponential { density };
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
if keycode.pressed(KeyCode::Digit3) {
if let FogFalloff::Exponential { density } = fog.falloff {
fog.falloff = FogFalloff::ExponentialSquared { density };
} else if let FogFalloff::ExponentialSquared { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
// Linear Fog Controls
if let FogFalloff::Linear {
ref mut start,
ref mut end,
} = &mut fog.falloff
{
text.sections[0]
.value
.push_str("\nA / S - Move Start Distance\nZ / X - Move End Distance");
if keycode.pressed(KeyCode::KeyA) {
*start -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyS) {
*start += delta * 3.0;
}
if keycode.pressed(KeyCode::KeyZ) {
*end -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyX) {
*end += delta * 3.0;
}
}
// Exponential Fog Controls
if let FogFalloff::Exponential { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// ExponentialSquared Fog Controls
if let FogFalloff::ExponentialSquared { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// RGBA Controls
text.sections[0]
.value
.push_str("\n\n- / = - Red\n[ / ] - Green\n; / ' - Blue\n. / ? - Alpha");
if keycode.pressed(KeyCode::Minus) {
let r = (fog.color.r() - 0.1 * delta).max(0.0);
fog.color.set_r(r);
}
if keycode.any_pressed([KeyCode::Equal, KeyCode::NumpadEqual]) {
let r = (fog.color.r() + 0.1 * delta).min(1.0);
fog.color.set_r(r);
}
if keycode.pressed(KeyCode::BracketLeft) {
let g = (fog.color.g() - 0.1 * delta).max(0.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::BracketRight) {
let g = (fog.color.g() + 0.1 * delta).min(1.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::Semicolon) {
let b = (fog.color.b() - 0.1 * delta).max(0.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Quote) {
let b = (fog.color.b() + 0.1 * delta).min(1.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Period) {
let a = (fog.color.a() - 0.1 * delta).max(0.0);
fog.color.set_a(a);
}
if keycode.pressed(KeyCode::Slash) {
let a = (fog.color.a() + 0.1 * delta).min(1.0);
fog.color.set_a(a);
}
}examples/3d/transmission.rs (line 479)
406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624
fn example_control_system(
mut commands: Commands,
mut materials: ResMut<Assets<StandardMaterial>>,
controllable: Query<(&Handle<StandardMaterial>, &ExampleControls)>,
mut camera: Query<
(
Entity,
&mut Camera,
&mut Camera3d,
&mut Transform,
Option<&DepthPrepass>,
Option<&TemporalJitter>,
),
With<Camera3d>,
>,
mut display: Query<&mut Text, With<ExampleDisplay>>,
mut state: Local<ExampleState>,
time: Res<Time>,
input: Res<ButtonInput<KeyCode>>,
) {
if input.pressed(KeyCode::Digit2) {
state.diffuse_transmission = (state.diffuse_transmission + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::Digit1) {
state.diffuse_transmission = (state.diffuse_transmission - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyW) {
state.specular_transmission = (state.specular_transmission + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::KeyQ) {
state.specular_transmission = (state.specular_transmission - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyS) {
state.thickness = (state.thickness + time.delta_seconds()).min(5.0);
} else if input.pressed(KeyCode::KeyA) {
state.thickness = (state.thickness - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyX) {
state.ior = (state.ior + time.delta_seconds()).min(3.0);
} else if input.pressed(KeyCode::KeyZ) {
state.ior = (state.ior - time.delta_seconds()).max(1.0);
}
if input.pressed(KeyCode::KeyI) {
state.reflectance = (state.reflectance + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::KeyU) {
state.reflectance = (state.reflectance - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyR) {
state.perceptual_roughness = (state.perceptual_roughness + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::KeyE) {
state.perceptual_roughness = (state.perceptual_roughness - time.delta_seconds()).max(0.0);
}
let randomize_colors = input.just_pressed(KeyCode::KeyC);
for (material_handle, controls) in &controllable {
let material = materials.get_mut(material_handle).unwrap();
if controls.specular_transmission {
material.specular_transmission = state.specular_transmission;
material.thickness = state.thickness;
material.ior = state.ior;
material.perceptual_roughness = state.perceptual_roughness;
material.reflectance = state.reflectance;
}
if controls.diffuse_transmission {
material.diffuse_transmission = state.diffuse_transmission;
}
if controls.color && randomize_colors {
material.base_color.set_r(random());
material.base_color.set_g(random());
material.base_color.set_b(random());
}
}
let (
camera_entity,
mut camera,
mut camera_3d,
mut camera_transform,
depth_prepass,
temporal_jitter,
) = camera.single_mut();
if input.just_pressed(KeyCode::KeyH) {
camera.hdr = !camera.hdr;
}
#[cfg(not(all(feature = "webgl2", target_arch = "wasm32")))]
if input.just_pressed(KeyCode::KeyD) {
if depth_prepass.is_none() {
commands.entity(camera_entity).insert(DepthPrepass);
} else {
commands.entity(camera_entity).remove::<DepthPrepass>();
}
}
#[cfg(not(all(feature = "webgl2", target_arch = "wasm32")))]
if input.just_pressed(KeyCode::KeyT) {
if temporal_jitter.is_none() {
commands.entity(camera_entity).insert((
TemporalJitter::default(),
TemporalAntiAliasSettings::default(),
));
} else {
commands
.entity(camera_entity)
.remove::<(TemporalJitter, TemporalAntiAliasSettings)>();
}
}
if input.just_pressed(KeyCode::KeyO) && camera_3d.screen_space_specular_transmission_steps > 0 {
camera_3d.screen_space_specular_transmission_steps -= 1;
}
if input.just_pressed(KeyCode::KeyP) && camera_3d.screen_space_specular_transmission_steps < 4 {
camera_3d.screen_space_specular_transmission_steps += 1;
}
if input.just_pressed(KeyCode::KeyJ) {
camera_3d.screen_space_specular_transmission_quality = ScreenSpaceTransmissionQuality::Low;
}
if input.just_pressed(KeyCode::KeyK) {
camera_3d.screen_space_specular_transmission_quality =
ScreenSpaceTransmissionQuality::Medium;
}
if input.just_pressed(KeyCode::KeyL) {
camera_3d.screen_space_specular_transmission_quality = ScreenSpaceTransmissionQuality::High;
}
if input.just_pressed(KeyCode::Semicolon) {
camera_3d.screen_space_specular_transmission_quality =
ScreenSpaceTransmissionQuality::Ultra;
}
let rotation = if input.pressed(KeyCode::ArrowRight) {
state.auto_camera = false;
time.delta_seconds()
} else if input.pressed(KeyCode::ArrowLeft) {
state.auto_camera = false;
-time.delta_seconds()
} else if state.auto_camera {
time.delta_seconds() * 0.25
} else {
0.0
};
let distance_change =
if input.pressed(KeyCode::ArrowDown) && camera_transform.translation.length() < 25.0 {
time.delta_seconds()
} else if input.pressed(KeyCode::ArrowUp) && camera_transform.translation.length() > 2.0 {
-time.delta_seconds()
} else {
0.0
};
camera_transform.translation *= distance_change.exp();
camera_transform.rotate_around(
Vec3::ZERO,
Quat::from_euler(EulerRot::XYZ, 0.0, rotation, 0.0),
);
let mut display = display.single_mut();
display.sections[0].value = format!(
concat!(
" J / K / L / ; Screen Space Specular Transmissive Quality: {:?}\n",
" O / P Screen Space Specular Transmissive Steps: {}\n",
" 1 / 2 Diffuse Transmission: {:.2}\n",
" Q / W Specular Transmission: {:.2}\n",
" A / S Thickness: {:.2}\n",
" Z / X IOR: {:.2}\n",
" E / R Perceptual Roughness: {:.2}\n",
" U / I Reflectance: {:.2}\n",
" Arrow Keys Control Camera\n",
" C Randomize Colors\n",
" H HDR + Bloom: {}\n",
" D Depth Prepass: {}\n",
" T TAA: {}\n",
),
camera_3d.screen_space_specular_transmission_quality,
camera_3d.screen_space_specular_transmission_steps,
state.diffuse_transmission,
state.specular_transmission,
state.thickness,
state.ior,
state.perceptual_roughness,
state.reflectance,
if camera.hdr { "ON " } else { "OFF" },
if cfg!(any(not(feature = "webgl2"), not(target_arch = "wasm32"))) {
if depth_prepass.is_some() {
"ON "
} else {
"OFF"
}
} else {
"N/A (WebGL)"
},
if cfg!(any(not(feature = "webgl2"), not(target_arch = "wasm32"))) {
if temporal_jitter.is_some() {
if depth_prepass.is_some() {
"ON "
} else {
"N/A (Needs Depth Prepass)"
}
} else {
"OFF"
}
} else {
"N/A (WebGL)"
},
);
}sourcepub fn with_r(self, r: f32) -> Color
pub fn with_r(self, r: f32) -> Color
Converts a Color to variant Color::Rgba and return this color with red set to a new value
sourcepub fn set_g(&mut self, g: f32) -> &mut Color
pub fn set_g(&mut self, g: f32) -> &mut Color
Converts a Color to variant Color::Rgba and set green
Examples found in repository?
examples/3d/blend_modes.rs (line 307)
278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348
fn example_control_system(
mut materials: ResMut<Assets<StandardMaterial>>,
controllable: Query<(&Handle<StandardMaterial>, &ExampleControls)>,
mut camera: Query<(&mut Camera, &mut Transform, &GlobalTransform), With<Camera3d>>,
mut labels: Query<(&mut Style, &ExampleLabel)>,
mut display: Query<&mut Text, With<ExampleDisplay>>,
labelled: Query<&GlobalTransform>,
mut state: Local<ExampleState>,
time: Res<Time>,
input: Res<ButtonInput<KeyCode>>,
) {
if input.pressed(KeyCode::ArrowUp) {
state.alpha = (state.alpha + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::ArrowDown) {
state.alpha = (state.alpha - time.delta_seconds()).max(0.0);
}
if input.just_pressed(KeyCode::Space) {
state.unlit = !state.unlit;
}
let randomize_colors = input.just_pressed(KeyCode::KeyC);
for (material_handle, controls) in &controllable {
let material = materials.get_mut(material_handle).unwrap();
material.base_color.set_a(state.alpha);
if controls.color && randomize_colors {
material.base_color.set_r(random());
material.base_color.set_g(random());
material.base_color.set_b(random());
}
if controls.unlit {
material.unlit = state.unlit;
}
}
let (mut camera, mut camera_transform, camera_global_transform) = camera.single_mut();
if input.just_pressed(KeyCode::KeyH) {
camera.hdr = !camera.hdr;
}
let rotation = if input.pressed(KeyCode::ArrowLeft) {
time.delta_seconds()
} else if input.pressed(KeyCode::ArrowRight) {
-time.delta_seconds()
} else {
0.0
};
camera_transform.rotate_around(Vec3::ZERO, Quat::from_rotation_y(rotation));
for (mut style, label) in &mut labels {
let world_position = labelled.get(label.entity).unwrap().translation() + Vec3::Y;
let viewport_position = camera
.world_to_viewport(camera_global_transform, world_position)
.unwrap();
style.top = Val::Px(viewport_position.y);
style.left = Val::Px(viewport_position.x);
}
let mut display = display.single_mut();
display.sections[0].value = format!(
" HDR: {}\nAlpha: {:.2}",
if camera.hdr { "ON " } else { "OFF" },
state.alpha
);
}More examples
examples/3d/fog.rs (line 274)
143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301
fn update_system(
mut camera: Query<(&mut FogSettings, &mut Transform)>,
mut text: Query<&mut Text>,
time: Res<Time>,
keycode: Res<ButtonInput<KeyCode>>,
) {
let now = time.elapsed_seconds();
let delta = time.delta_seconds();
let (mut fog, mut transform) = camera.single_mut();
let mut text = text.single_mut();
// Orbit camera around pyramid
let orbit_scale = 8.0 + (now / 10.0).sin() * 7.0;
*transform = Transform::from_xyz(
(now / 5.0).cos() * orbit_scale,
12.0 - orbit_scale / 2.0,
(now / 5.0).sin() * orbit_scale,
)
.looking_at(Vec3::ZERO, Vec3::Y);
// Fog Information
text.sections[0].value = format!("Fog Falloff: {:?}\nFog Color: {:?}", fog.falloff, fog.color);
// Fog Falloff Mode Switching
text.sections[0]
.value
.push_str("\n\n1 / 2 / 3 - Fog Falloff Mode");
if keycode.pressed(KeyCode::Digit1) {
if let FogFalloff::Linear { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Linear {
start: 5.0,
end: 20.0,
};
};
}
if keycode.pressed(KeyCode::Digit2) {
if let FogFalloff::Exponential { .. } = fog.falloff {
// No change
} else if let FogFalloff::ExponentialSquared { density } = fog.falloff {
fog.falloff = FogFalloff::Exponential { density };
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
if keycode.pressed(KeyCode::Digit3) {
if let FogFalloff::Exponential { density } = fog.falloff {
fog.falloff = FogFalloff::ExponentialSquared { density };
} else if let FogFalloff::ExponentialSquared { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
// Linear Fog Controls
if let FogFalloff::Linear {
ref mut start,
ref mut end,
} = &mut fog.falloff
{
text.sections[0]
.value
.push_str("\nA / S - Move Start Distance\nZ / X - Move End Distance");
if keycode.pressed(KeyCode::KeyA) {
*start -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyS) {
*start += delta * 3.0;
}
if keycode.pressed(KeyCode::KeyZ) {
*end -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyX) {
*end += delta * 3.0;
}
}
// Exponential Fog Controls
if let FogFalloff::Exponential { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// ExponentialSquared Fog Controls
if let FogFalloff::ExponentialSquared { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// RGBA Controls
text.sections[0]
.value
.push_str("\n\n- / = - Red\n[ / ] - Green\n; / ' - Blue\n. / ? - Alpha");
if keycode.pressed(KeyCode::Minus) {
let r = (fog.color.r() - 0.1 * delta).max(0.0);
fog.color.set_r(r);
}
if keycode.any_pressed([KeyCode::Equal, KeyCode::NumpadEqual]) {
let r = (fog.color.r() + 0.1 * delta).min(1.0);
fog.color.set_r(r);
}
if keycode.pressed(KeyCode::BracketLeft) {
let g = (fog.color.g() - 0.1 * delta).max(0.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::BracketRight) {
let g = (fog.color.g() + 0.1 * delta).min(1.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::Semicolon) {
let b = (fog.color.b() - 0.1 * delta).max(0.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Quote) {
let b = (fog.color.b() + 0.1 * delta).min(1.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Period) {
let a = (fog.color.a() - 0.1 * delta).max(0.0);
fog.color.set_a(a);
}
if keycode.pressed(KeyCode::Slash) {
let a = (fog.color.a() + 0.1 * delta).min(1.0);
fog.color.set_a(a);
}
}examples/3d/transmission.rs (line 480)
406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624
fn example_control_system(
mut commands: Commands,
mut materials: ResMut<Assets<StandardMaterial>>,
controllable: Query<(&Handle<StandardMaterial>, &ExampleControls)>,
mut camera: Query<
(
Entity,
&mut Camera,
&mut Camera3d,
&mut Transform,
Option<&DepthPrepass>,
Option<&TemporalJitter>,
),
With<Camera3d>,
>,
mut display: Query<&mut Text, With<ExampleDisplay>>,
mut state: Local<ExampleState>,
time: Res<Time>,
input: Res<ButtonInput<KeyCode>>,
) {
if input.pressed(KeyCode::Digit2) {
state.diffuse_transmission = (state.diffuse_transmission + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::Digit1) {
state.diffuse_transmission = (state.diffuse_transmission - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyW) {
state.specular_transmission = (state.specular_transmission + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::KeyQ) {
state.specular_transmission = (state.specular_transmission - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyS) {
state.thickness = (state.thickness + time.delta_seconds()).min(5.0);
} else if input.pressed(KeyCode::KeyA) {
state.thickness = (state.thickness - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyX) {
state.ior = (state.ior + time.delta_seconds()).min(3.0);
} else if input.pressed(KeyCode::KeyZ) {
state.ior = (state.ior - time.delta_seconds()).max(1.0);
}
if input.pressed(KeyCode::KeyI) {
state.reflectance = (state.reflectance + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::KeyU) {
state.reflectance = (state.reflectance - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyR) {
state.perceptual_roughness = (state.perceptual_roughness + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::KeyE) {
state.perceptual_roughness = (state.perceptual_roughness - time.delta_seconds()).max(0.0);
}
let randomize_colors = input.just_pressed(KeyCode::KeyC);
for (material_handle, controls) in &controllable {
let material = materials.get_mut(material_handle).unwrap();
if controls.specular_transmission {
material.specular_transmission = state.specular_transmission;
material.thickness = state.thickness;
material.ior = state.ior;
material.perceptual_roughness = state.perceptual_roughness;
material.reflectance = state.reflectance;
}
if controls.diffuse_transmission {
material.diffuse_transmission = state.diffuse_transmission;
}
if controls.color && randomize_colors {
material.base_color.set_r(random());
material.base_color.set_g(random());
material.base_color.set_b(random());
}
}
let (
camera_entity,
mut camera,
mut camera_3d,
mut camera_transform,
depth_prepass,
temporal_jitter,
) = camera.single_mut();
if input.just_pressed(KeyCode::KeyH) {
camera.hdr = !camera.hdr;
}
#[cfg(not(all(feature = "webgl2", target_arch = "wasm32")))]
if input.just_pressed(KeyCode::KeyD) {
if depth_prepass.is_none() {
commands.entity(camera_entity).insert(DepthPrepass);
} else {
commands.entity(camera_entity).remove::<DepthPrepass>();
}
}
#[cfg(not(all(feature = "webgl2", target_arch = "wasm32")))]
if input.just_pressed(KeyCode::KeyT) {
if temporal_jitter.is_none() {
commands.entity(camera_entity).insert((
TemporalJitter::default(),
TemporalAntiAliasSettings::default(),
));
} else {
commands
.entity(camera_entity)
.remove::<(TemporalJitter, TemporalAntiAliasSettings)>();
}
}
if input.just_pressed(KeyCode::KeyO) && camera_3d.screen_space_specular_transmission_steps > 0 {
camera_3d.screen_space_specular_transmission_steps -= 1;
}
if input.just_pressed(KeyCode::KeyP) && camera_3d.screen_space_specular_transmission_steps < 4 {
camera_3d.screen_space_specular_transmission_steps += 1;
}
if input.just_pressed(KeyCode::KeyJ) {
camera_3d.screen_space_specular_transmission_quality = ScreenSpaceTransmissionQuality::Low;
}
if input.just_pressed(KeyCode::KeyK) {
camera_3d.screen_space_specular_transmission_quality =
ScreenSpaceTransmissionQuality::Medium;
}
if input.just_pressed(KeyCode::KeyL) {
camera_3d.screen_space_specular_transmission_quality = ScreenSpaceTransmissionQuality::High;
}
if input.just_pressed(KeyCode::Semicolon) {
camera_3d.screen_space_specular_transmission_quality =
ScreenSpaceTransmissionQuality::Ultra;
}
let rotation = if input.pressed(KeyCode::ArrowRight) {
state.auto_camera = false;
time.delta_seconds()
} else if input.pressed(KeyCode::ArrowLeft) {
state.auto_camera = false;
-time.delta_seconds()
} else if state.auto_camera {
time.delta_seconds() * 0.25
} else {
0.0
};
let distance_change =
if input.pressed(KeyCode::ArrowDown) && camera_transform.translation.length() < 25.0 {
time.delta_seconds()
} else if input.pressed(KeyCode::ArrowUp) && camera_transform.translation.length() > 2.0 {
-time.delta_seconds()
} else {
0.0
};
camera_transform.translation *= distance_change.exp();
camera_transform.rotate_around(
Vec3::ZERO,
Quat::from_euler(EulerRot::XYZ, 0.0, rotation, 0.0),
);
let mut display = display.single_mut();
display.sections[0].value = format!(
concat!(
" J / K / L / ; Screen Space Specular Transmissive Quality: {:?}\n",
" O / P Screen Space Specular Transmissive Steps: {}\n",
" 1 / 2 Diffuse Transmission: {:.2}\n",
" Q / W Specular Transmission: {:.2}\n",
" A / S Thickness: {:.2}\n",
" Z / X IOR: {:.2}\n",
" E / R Perceptual Roughness: {:.2}\n",
" U / I Reflectance: {:.2}\n",
" Arrow Keys Control Camera\n",
" C Randomize Colors\n",
" H HDR + Bloom: {}\n",
" D Depth Prepass: {}\n",
" T TAA: {}\n",
),
camera_3d.screen_space_specular_transmission_quality,
camera_3d.screen_space_specular_transmission_steps,
state.diffuse_transmission,
state.specular_transmission,
state.thickness,
state.ior,
state.perceptual_roughness,
state.reflectance,
if camera.hdr { "ON " } else { "OFF" },
if cfg!(any(not(feature = "webgl2"), not(target_arch = "wasm32"))) {
if depth_prepass.is_some() {
"ON "
} else {
"OFF"
}
} else {
"N/A (WebGL)"
},
if cfg!(any(not(feature = "webgl2"), not(target_arch = "wasm32"))) {
if temporal_jitter.is_some() {
if depth_prepass.is_some() {
"ON "
} else {
"N/A (Needs Depth Prepass)"
}
} else {
"OFF"
}
} else {
"N/A (WebGL)"
},
);
}sourcepub fn with_g(self, g: f32) -> Color
pub fn with_g(self, g: f32) -> Color
Converts a Color to variant Color::Rgba and return this color with green set to a new value
sourcepub fn set_b(&mut self, b: f32) -> &mut Color
pub fn set_b(&mut self, b: f32) -> &mut Color
Converts a Color to variant Color::Rgba and set blue
Examples found in repository?
More examples
examples/3d/blend_modes.rs (line 308)
278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348
fn example_control_system(
mut materials: ResMut<Assets<StandardMaterial>>,
controllable: Query<(&Handle<StandardMaterial>, &ExampleControls)>,
mut camera: Query<(&mut Camera, &mut Transform, &GlobalTransform), With<Camera3d>>,
mut labels: Query<(&mut Style, &ExampleLabel)>,
mut display: Query<&mut Text, With<ExampleDisplay>>,
labelled: Query<&GlobalTransform>,
mut state: Local<ExampleState>,
time: Res<Time>,
input: Res<ButtonInput<KeyCode>>,
) {
if input.pressed(KeyCode::ArrowUp) {
state.alpha = (state.alpha + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::ArrowDown) {
state.alpha = (state.alpha - time.delta_seconds()).max(0.0);
}
if input.just_pressed(KeyCode::Space) {
state.unlit = !state.unlit;
}
let randomize_colors = input.just_pressed(KeyCode::KeyC);
for (material_handle, controls) in &controllable {
let material = materials.get_mut(material_handle).unwrap();
material.base_color.set_a(state.alpha);
if controls.color && randomize_colors {
material.base_color.set_r(random());
material.base_color.set_g(random());
material.base_color.set_b(random());
}
if controls.unlit {
material.unlit = state.unlit;
}
}
let (mut camera, mut camera_transform, camera_global_transform) = camera.single_mut();
if input.just_pressed(KeyCode::KeyH) {
camera.hdr = !camera.hdr;
}
let rotation = if input.pressed(KeyCode::ArrowLeft) {
time.delta_seconds()
} else if input.pressed(KeyCode::ArrowRight) {
-time.delta_seconds()
} else {
0.0
};
camera_transform.rotate_around(Vec3::ZERO, Quat::from_rotation_y(rotation));
for (mut style, label) in &mut labels {
let world_position = labelled.get(label.entity).unwrap().translation() + Vec3::Y;
let viewport_position = camera
.world_to_viewport(camera_global_transform, world_position)
.unwrap();
style.top = Val::Px(viewport_position.y);
style.left = Val::Px(viewport_position.x);
}
let mut display = display.single_mut();
display.sections[0].value = format!(
" HDR: {}\nAlpha: {:.2}",
if camera.hdr { "ON " } else { "OFF" },
state.alpha
);
}examples/3d/fog.rs (line 284)
143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301
fn update_system(
mut camera: Query<(&mut FogSettings, &mut Transform)>,
mut text: Query<&mut Text>,
time: Res<Time>,
keycode: Res<ButtonInput<KeyCode>>,
) {
let now = time.elapsed_seconds();
let delta = time.delta_seconds();
let (mut fog, mut transform) = camera.single_mut();
let mut text = text.single_mut();
// Orbit camera around pyramid
let orbit_scale = 8.0 + (now / 10.0).sin() * 7.0;
*transform = Transform::from_xyz(
(now / 5.0).cos() * orbit_scale,
12.0 - orbit_scale / 2.0,
(now / 5.0).sin() * orbit_scale,
)
.looking_at(Vec3::ZERO, Vec3::Y);
// Fog Information
text.sections[0].value = format!("Fog Falloff: {:?}\nFog Color: {:?}", fog.falloff, fog.color);
// Fog Falloff Mode Switching
text.sections[0]
.value
.push_str("\n\n1 / 2 / 3 - Fog Falloff Mode");
if keycode.pressed(KeyCode::Digit1) {
if let FogFalloff::Linear { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Linear {
start: 5.0,
end: 20.0,
};
};
}
if keycode.pressed(KeyCode::Digit2) {
if let FogFalloff::Exponential { .. } = fog.falloff {
// No change
} else if let FogFalloff::ExponentialSquared { density } = fog.falloff {
fog.falloff = FogFalloff::Exponential { density };
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
if keycode.pressed(KeyCode::Digit3) {
if let FogFalloff::Exponential { density } = fog.falloff {
fog.falloff = FogFalloff::ExponentialSquared { density };
} else if let FogFalloff::ExponentialSquared { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
// Linear Fog Controls
if let FogFalloff::Linear {
ref mut start,
ref mut end,
} = &mut fog.falloff
{
text.sections[0]
.value
.push_str("\nA / S - Move Start Distance\nZ / X - Move End Distance");
if keycode.pressed(KeyCode::KeyA) {
*start -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyS) {
*start += delta * 3.0;
}
if keycode.pressed(KeyCode::KeyZ) {
*end -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyX) {
*end += delta * 3.0;
}
}
// Exponential Fog Controls
if let FogFalloff::Exponential { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// ExponentialSquared Fog Controls
if let FogFalloff::ExponentialSquared { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// RGBA Controls
text.sections[0]
.value
.push_str("\n\n- / = - Red\n[ / ] - Green\n; / ' - Blue\n. / ? - Alpha");
if keycode.pressed(KeyCode::Minus) {
let r = (fog.color.r() - 0.1 * delta).max(0.0);
fog.color.set_r(r);
}
if keycode.any_pressed([KeyCode::Equal, KeyCode::NumpadEqual]) {
let r = (fog.color.r() + 0.1 * delta).min(1.0);
fog.color.set_r(r);
}
if keycode.pressed(KeyCode::BracketLeft) {
let g = (fog.color.g() - 0.1 * delta).max(0.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::BracketRight) {
let g = (fog.color.g() + 0.1 * delta).min(1.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::Semicolon) {
let b = (fog.color.b() - 0.1 * delta).max(0.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Quote) {
let b = (fog.color.b() + 0.1 * delta).min(1.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Period) {
let a = (fog.color.a() - 0.1 * delta).max(0.0);
fog.color.set_a(a);
}
if keycode.pressed(KeyCode::Slash) {
let a = (fog.color.a() + 0.1 * delta).min(1.0);
fog.color.set_a(a);
}
}examples/3d/transmission.rs (line 481)
406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624
fn example_control_system(
mut commands: Commands,
mut materials: ResMut<Assets<StandardMaterial>>,
controllable: Query<(&Handle<StandardMaterial>, &ExampleControls)>,
mut camera: Query<
(
Entity,
&mut Camera,
&mut Camera3d,
&mut Transform,
Option<&DepthPrepass>,
Option<&TemporalJitter>,
),
With<Camera3d>,
>,
mut display: Query<&mut Text, With<ExampleDisplay>>,
mut state: Local<ExampleState>,
time: Res<Time>,
input: Res<ButtonInput<KeyCode>>,
) {
if input.pressed(KeyCode::Digit2) {
state.diffuse_transmission = (state.diffuse_transmission + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::Digit1) {
state.diffuse_transmission = (state.diffuse_transmission - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyW) {
state.specular_transmission = (state.specular_transmission + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::KeyQ) {
state.specular_transmission = (state.specular_transmission - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyS) {
state.thickness = (state.thickness + time.delta_seconds()).min(5.0);
} else if input.pressed(KeyCode::KeyA) {
state.thickness = (state.thickness - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyX) {
state.ior = (state.ior + time.delta_seconds()).min(3.0);
} else if input.pressed(KeyCode::KeyZ) {
state.ior = (state.ior - time.delta_seconds()).max(1.0);
}
if input.pressed(KeyCode::KeyI) {
state.reflectance = (state.reflectance + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::KeyU) {
state.reflectance = (state.reflectance - time.delta_seconds()).max(0.0);
}
if input.pressed(KeyCode::KeyR) {
state.perceptual_roughness = (state.perceptual_roughness + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::KeyE) {
state.perceptual_roughness = (state.perceptual_roughness - time.delta_seconds()).max(0.0);
}
let randomize_colors = input.just_pressed(KeyCode::KeyC);
for (material_handle, controls) in &controllable {
let material = materials.get_mut(material_handle).unwrap();
if controls.specular_transmission {
material.specular_transmission = state.specular_transmission;
material.thickness = state.thickness;
material.ior = state.ior;
material.perceptual_roughness = state.perceptual_roughness;
material.reflectance = state.reflectance;
}
if controls.diffuse_transmission {
material.diffuse_transmission = state.diffuse_transmission;
}
if controls.color && randomize_colors {
material.base_color.set_r(random());
material.base_color.set_g(random());
material.base_color.set_b(random());
}
}
let (
camera_entity,
mut camera,
mut camera_3d,
mut camera_transform,
depth_prepass,
temporal_jitter,
) = camera.single_mut();
if input.just_pressed(KeyCode::KeyH) {
camera.hdr = !camera.hdr;
}
#[cfg(not(all(feature = "webgl2", target_arch = "wasm32")))]
if input.just_pressed(KeyCode::KeyD) {
if depth_prepass.is_none() {
commands.entity(camera_entity).insert(DepthPrepass);
} else {
commands.entity(camera_entity).remove::<DepthPrepass>();
}
}
#[cfg(not(all(feature = "webgl2", target_arch = "wasm32")))]
if input.just_pressed(KeyCode::KeyT) {
if temporal_jitter.is_none() {
commands.entity(camera_entity).insert((
TemporalJitter::default(),
TemporalAntiAliasSettings::default(),
));
} else {
commands
.entity(camera_entity)
.remove::<(TemporalJitter, TemporalAntiAliasSettings)>();
}
}
if input.just_pressed(KeyCode::KeyO) && camera_3d.screen_space_specular_transmission_steps > 0 {
camera_3d.screen_space_specular_transmission_steps -= 1;
}
if input.just_pressed(KeyCode::KeyP) && camera_3d.screen_space_specular_transmission_steps < 4 {
camera_3d.screen_space_specular_transmission_steps += 1;
}
if input.just_pressed(KeyCode::KeyJ) {
camera_3d.screen_space_specular_transmission_quality = ScreenSpaceTransmissionQuality::Low;
}
if input.just_pressed(KeyCode::KeyK) {
camera_3d.screen_space_specular_transmission_quality =
ScreenSpaceTransmissionQuality::Medium;
}
if input.just_pressed(KeyCode::KeyL) {
camera_3d.screen_space_specular_transmission_quality = ScreenSpaceTransmissionQuality::High;
}
if input.just_pressed(KeyCode::Semicolon) {
camera_3d.screen_space_specular_transmission_quality =
ScreenSpaceTransmissionQuality::Ultra;
}
let rotation = if input.pressed(KeyCode::ArrowRight) {
state.auto_camera = false;
time.delta_seconds()
} else if input.pressed(KeyCode::ArrowLeft) {
state.auto_camera = false;
-time.delta_seconds()
} else if state.auto_camera {
time.delta_seconds() * 0.25
} else {
0.0
};
let distance_change =
if input.pressed(KeyCode::ArrowDown) && camera_transform.translation.length() < 25.0 {
time.delta_seconds()
} else if input.pressed(KeyCode::ArrowUp) && camera_transform.translation.length() > 2.0 {
-time.delta_seconds()
} else {
0.0
};
camera_transform.translation *= distance_change.exp();
camera_transform.rotate_around(
Vec3::ZERO,
Quat::from_euler(EulerRot::XYZ, 0.0, rotation, 0.0),
);
let mut display = display.single_mut();
display.sections[0].value = format!(
concat!(
" J / K / L / ; Screen Space Specular Transmissive Quality: {:?}\n",
" O / P Screen Space Specular Transmissive Steps: {}\n",
" 1 / 2 Diffuse Transmission: {:.2}\n",
" Q / W Specular Transmission: {:.2}\n",
" A / S Thickness: {:.2}\n",
" Z / X IOR: {:.2}\n",
" E / R Perceptual Roughness: {:.2}\n",
" U / I Reflectance: {:.2}\n",
" Arrow Keys Control Camera\n",
" C Randomize Colors\n",
" H HDR + Bloom: {}\n",
" D Depth Prepass: {}\n",
" T TAA: {}\n",
),
camera_3d.screen_space_specular_transmission_quality,
camera_3d.screen_space_specular_transmission_steps,
state.diffuse_transmission,
state.specular_transmission,
state.thickness,
state.ior,
state.perceptual_roughness,
state.reflectance,
if camera.hdr { "ON " } else { "OFF" },
if cfg!(any(not(feature = "webgl2"), not(target_arch = "wasm32"))) {
if depth_prepass.is_some() {
"ON "
} else {
"OFF"
}
} else {
"N/A (WebGL)"
},
if cfg!(any(not(feature = "webgl2"), not(target_arch = "wasm32"))) {
if temporal_jitter.is_some() {
if depth_prepass.is_some() {
"ON "
} else {
"N/A (Needs Depth Prepass)"
}
} else {
"OFF"
}
} else {
"N/A (WebGL)"
},
);
}sourcepub fn with_b(self, b: f32) -> Color
pub fn with_b(self, b: f32) -> Color
Converts a Color to variant Color::Rgba and return this color with blue set to a new value
sourcepub fn h(&self) -> f32
pub fn h(&self) -> f32
Converts a Color to variant Color::Hsla and return hue
sourcepub fn s(&self) -> f32
pub fn s(&self) -> f32
Converts a Color to variant Color::Hsla and return saturation
sourcepub fn l(&self) -> f32
pub fn l(&self) -> f32
Converts a Color to variant Color::Hsla and return lightness
sourcepub fn set_h(&mut self, h: f32) -> &mut Color
pub fn set_h(&mut self, h: f32) -> &mut Color
Converts a Color to variant Color::Hsla and set hue
sourcepub fn with_h(self, h: f32) -> Color
pub fn with_h(self, h: f32) -> Color
Converts a Color to variant Color::Hsla and return this color with hue set to a new value
sourcepub fn set_s(&mut self, s: f32) -> &mut Color
pub fn set_s(&mut self, s: f32) -> &mut Color
Converts a Color to variant Color::Hsla and set saturation
sourcepub fn with_s(self, s: f32) -> Color
pub fn with_s(self, s: f32) -> Color
Converts a Color to variant Color::Hsla and return this color with saturation set to a new value
sourcepub fn set_l(&mut self, l: f32) -> &mut Color
pub fn set_l(&mut self, l: f32) -> &mut Color
Converts a Color to variant Color::Hsla and set lightness
sourcepub fn with_l(self, l: f32) -> Color
pub fn with_l(self, l: f32) -> Color
Converts a Color to variant Color::Hsla and return this color with lightness set to a new value
sourcepub fn a(&self) -> f32
pub fn a(&self) -> f32
Get alpha.
Examples found in repository?
examples/3d/atmospheric_fog.rs (line 118)
114 115 116 117 118 119 120 121 122 123 124 125 126
fn toggle_system(keycode: Res<ButtonInput<KeyCode>>, mut fog: Query<&mut FogSettings>) {
let mut fog_settings = fog.single_mut();
if keycode.just_pressed(KeyCode::Space) {
let a = fog_settings.color.a();
fog_settings.color.set_a(1.0 - a);
}
if keycode.just_pressed(KeyCode::KeyS) {
let a = fog_settings.directional_light_color.a();
fog_settings.directional_light_color.set_a(0.5 - a);
}
}More examples
examples/3d/fog.rs (line 293)
143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301
fn update_system(
mut camera: Query<(&mut FogSettings, &mut Transform)>,
mut text: Query<&mut Text>,
time: Res<Time>,
keycode: Res<ButtonInput<KeyCode>>,
) {
let now = time.elapsed_seconds();
let delta = time.delta_seconds();
let (mut fog, mut transform) = camera.single_mut();
let mut text = text.single_mut();
// Orbit camera around pyramid
let orbit_scale = 8.0 + (now / 10.0).sin() * 7.0;
*transform = Transform::from_xyz(
(now / 5.0).cos() * orbit_scale,
12.0 - orbit_scale / 2.0,
(now / 5.0).sin() * orbit_scale,
)
.looking_at(Vec3::ZERO, Vec3::Y);
// Fog Information
text.sections[0].value = format!("Fog Falloff: {:?}\nFog Color: {:?}", fog.falloff, fog.color);
// Fog Falloff Mode Switching
text.sections[0]
.value
.push_str("\n\n1 / 2 / 3 - Fog Falloff Mode");
if keycode.pressed(KeyCode::Digit1) {
if let FogFalloff::Linear { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Linear {
start: 5.0,
end: 20.0,
};
};
}
if keycode.pressed(KeyCode::Digit2) {
if let FogFalloff::Exponential { .. } = fog.falloff {
// No change
} else if let FogFalloff::ExponentialSquared { density } = fog.falloff {
fog.falloff = FogFalloff::Exponential { density };
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
if keycode.pressed(KeyCode::Digit3) {
if let FogFalloff::Exponential { density } = fog.falloff {
fog.falloff = FogFalloff::ExponentialSquared { density };
} else if let FogFalloff::ExponentialSquared { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
// Linear Fog Controls
if let FogFalloff::Linear {
ref mut start,
ref mut end,
} = &mut fog.falloff
{
text.sections[0]
.value
.push_str("\nA / S - Move Start Distance\nZ / X - Move End Distance");
if keycode.pressed(KeyCode::KeyA) {
*start -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyS) {
*start += delta * 3.0;
}
if keycode.pressed(KeyCode::KeyZ) {
*end -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyX) {
*end += delta * 3.0;
}
}
// Exponential Fog Controls
if let FogFalloff::Exponential { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// ExponentialSquared Fog Controls
if let FogFalloff::ExponentialSquared { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// RGBA Controls
text.sections[0]
.value
.push_str("\n\n- / = - Red\n[ / ] - Green\n; / ' - Blue\n. / ? - Alpha");
if keycode.pressed(KeyCode::Minus) {
let r = (fog.color.r() - 0.1 * delta).max(0.0);
fog.color.set_r(r);
}
if keycode.any_pressed([KeyCode::Equal, KeyCode::NumpadEqual]) {
let r = (fog.color.r() + 0.1 * delta).min(1.0);
fog.color.set_r(r);
}
if keycode.pressed(KeyCode::BracketLeft) {
let g = (fog.color.g() - 0.1 * delta).max(0.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::BracketRight) {
let g = (fog.color.g() + 0.1 * delta).min(1.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::Semicolon) {
let b = (fog.color.b() - 0.1 * delta).max(0.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Quote) {
let b = (fog.color.b() + 0.1 * delta).min(1.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Period) {
let a = (fog.color.a() - 0.1 * delta).max(0.0);
fog.color.set_a(a);
}
if keycode.pressed(KeyCode::Slash) {
let a = (fog.color.a() + 0.1 * delta).min(1.0);
fog.color.set_a(a);
}
}sourcepub fn set_a(&mut self, a: f32) -> &mut Color
pub fn set_a(&mut self, a: f32) -> &mut Color
Set alpha.
Examples found in repository?
More examples
examples/3d/atmospheric_fog.rs (line 119)
114 115 116 117 118 119 120 121 122 123 124 125 126
fn toggle_system(keycode: Res<ButtonInput<KeyCode>>, mut fog: Query<&mut FogSettings>) {
let mut fog_settings = fog.single_mut();
if keycode.just_pressed(KeyCode::Space) {
let a = fog_settings.color.a();
fog_settings.color.set_a(1.0 - a);
}
if keycode.just_pressed(KeyCode::KeyS) {
let a = fog_settings.directional_light_color.a();
fog_settings.directional_light_color.set_a(0.5 - a);
}
}examples/3d/blend_modes.rs (line 303)
278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348
fn example_control_system(
mut materials: ResMut<Assets<StandardMaterial>>,
controllable: Query<(&Handle<StandardMaterial>, &ExampleControls)>,
mut camera: Query<(&mut Camera, &mut Transform, &GlobalTransform), With<Camera3d>>,
mut labels: Query<(&mut Style, &ExampleLabel)>,
mut display: Query<&mut Text, With<ExampleDisplay>>,
labelled: Query<&GlobalTransform>,
mut state: Local<ExampleState>,
time: Res<Time>,
input: Res<ButtonInput<KeyCode>>,
) {
if input.pressed(KeyCode::ArrowUp) {
state.alpha = (state.alpha + time.delta_seconds()).min(1.0);
} else if input.pressed(KeyCode::ArrowDown) {
state.alpha = (state.alpha - time.delta_seconds()).max(0.0);
}
if input.just_pressed(KeyCode::Space) {
state.unlit = !state.unlit;
}
let randomize_colors = input.just_pressed(KeyCode::KeyC);
for (material_handle, controls) in &controllable {
let material = materials.get_mut(material_handle).unwrap();
material.base_color.set_a(state.alpha);
if controls.color && randomize_colors {
material.base_color.set_r(random());
material.base_color.set_g(random());
material.base_color.set_b(random());
}
if controls.unlit {
material.unlit = state.unlit;
}
}
let (mut camera, mut camera_transform, camera_global_transform) = camera.single_mut();
if input.just_pressed(KeyCode::KeyH) {
camera.hdr = !camera.hdr;
}
let rotation = if input.pressed(KeyCode::ArrowLeft) {
time.delta_seconds()
} else if input.pressed(KeyCode::ArrowRight) {
-time.delta_seconds()
} else {
0.0
};
camera_transform.rotate_around(Vec3::ZERO, Quat::from_rotation_y(rotation));
for (mut style, label) in &mut labels {
let world_position = labelled.get(label.entity).unwrap().translation() + Vec3::Y;
let viewport_position = camera
.world_to_viewport(camera_global_transform, world_position)
.unwrap();
style.top = Val::Px(viewport_position.y);
style.left = Val::Px(viewport_position.x);
}
let mut display = display.single_mut();
display.sections[0].value = format!(
" HDR: {}\nAlpha: {:.2}",
if camera.hdr { "ON " } else { "OFF" },
state.alpha
);
}examples/3d/fog.rs (line 294)
143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301
fn update_system(
mut camera: Query<(&mut FogSettings, &mut Transform)>,
mut text: Query<&mut Text>,
time: Res<Time>,
keycode: Res<ButtonInput<KeyCode>>,
) {
let now = time.elapsed_seconds();
let delta = time.delta_seconds();
let (mut fog, mut transform) = camera.single_mut();
let mut text = text.single_mut();
// Orbit camera around pyramid
let orbit_scale = 8.0 + (now / 10.0).sin() * 7.0;
*transform = Transform::from_xyz(
(now / 5.0).cos() * orbit_scale,
12.0 - orbit_scale / 2.0,
(now / 5.0).sin() * orbit_scale,
)
.looking_at(Vec3::ZERO, Vec3::Y);
// Fog Information
text.sections[0].value = format!("Fog Falloff: {:?}\nFog Color: {:?}", fog.falloff, fog.color);
// Fog Falloff Mode Switching
text.sections[0]
.value
.push_str("\n\n1 / 2 / 3 - Fog Falloff Mode");
if keycode.pressed(KeyCode::Digit1) {
if let FogFalloff::Linear { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Linear {
start: 5.0,
end: 20.0,
};
};
}
if keycode.pressed(KeyCode::Digit2) {
if let FogFalloff::Exponential { .. } = fog.falloff {
// No change
} else if let FogFalloff::ExponentialSquared { density } = fog.falloff {
fog.falloff = FogFalloff::Exponential { density };
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
if keycode.pressed(KeyCode::Digit3) {
if let FogFalloff::Exponential { density } = fog.falloff {
fog.falloff = FogFalloff::ExponentialSquared { density };
} else if let FogFalloff::ExponentialSquared { .. } = fog.falloff {
// No change
} else {
fog.falloff = FogFalloff::Exponential { density: 0.07 };
};
}
// Linear Fog Controls
if let FogFalloff::Linear {
ref mut start,
ref mut end,
} = &mut fog.falloff
{
text.sections[0]
.value
.push_str("\nA / S - Move Start Distance\nZ / X - Move End Distance");
if keycode.pressed(KeyCode::KeyA) {
*start -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyS) {
*start += delta * 3.0;
}
if keycode.pressed(KeyCode::KeyZ) {
*end -= delta * 3.0;
}
if keycode.pressed(KeyCode::KeyX) {
*end += delta * 3.0;
}
}
// Exponential Fog Controls
if let FogFalloff::Exponential { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// ExponentialSquared Fog Controls
if let FogFalloff::ExponentialSquared { ref mut density } = &mut fog.falloff {
text.sections[0].value.push_str("\nA / S - Change Density");
if keycode.pressed(KeyCode::KeyA) {
*density -= delta * 0.5 * *density;
if *density < 0.0 {
*density = 0.0;
}
}
if keycode.pressed(KeyCode::KeyS) {
*density += delta * 0.5 * *density;
}
}
// RGBA Controls
text.sections[0]
.value
.push_str("\n\n- / = - Red\n[ / ] - Green\n; / ' - Blue\n. / ? - Alpha");
if keycode.pressed(KeyCode::Minus) {
let r = (fog.color.r() - 0.1 * delta).max(0.0);
fog.color.set_r(r);
}
if keycode.any_pressed([KeyCode::Equal, KeyCode::NumpadEqual]) {
let r = (fog.color.r() + 0.1 * delta).min(1.0);
fog.color.set_r(r);
}
if keycode.pressed(KeyCode::BracketLeft) {
let g = (fog.color.g() - 0.1 * delta).max(0.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::BracketRight) {
let g = (fog.color.g() + 0.1 * delta).min(1.0);
fog.color.set_g(g);
}
if keycode.pressed(KeyCode::Semicolon) {
let b = (fog.color.b() - 0.1 * delta).max(0.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Quote) {
let b = (fog.color.b() + 0.1 * delta).min(1.0);
fog.color.set_b(b);
}
if keycode.pressed(KeyCode::Period) {
let a = (fog.color.a() - 0.1 * delta).max(0.0);
fog.color.set_a(a);
}
if keycode.pressed(KeyCode::Slash) {
let a = (fog.color.a() + 0.1 * delta).min(1.0);
fog.color.set_a(a);
}
}sourcepub fn with_a(self, a: f32) -> Color
pub fn with_a(self, a: f32) -> Color
Returns this color with a new alpha value.
Examples found in repository?
examples/ui/display_and_visibility.rs (line 417)
404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492
fn spawn_button<T>(parent: &mut ChildBuilder, text_style: TextStyle, target: Entity)
where
T: Default + std::fmt::Debug + Send + Sync + 'static,
Target<T>: TargetUpdate,
{
parent
.spawn((
ButtonBundle {
style: Style {
align_self: AlignSelf::FlexStart,
padding: UiRect::axes(Val::Px(5.), Val::Px(1.)),
..Default::default()
},
background_color: BackgroundColor(Color::BLACK.with_a(0.5)),
..Default::default()
},
Target::<T>::new(target),
))
.with_children(|builder| {
builder.spawn(
TextBundle::from_section(
format!("{}::{:?}", Target::<T>::NAME, T::default()),
text_style,
)
.with_text_justify(JustifyText::Center),
);
});
}
fn buttons_handler<T>(
mut left_panel_query: Query<&mut <Target<T> as TargetUpdate>::TargetComponent>,
mut visibility_button_query: Query<(&Target<T>, &Interaction, &Children), Changed<Interaction>>,
mut text_query: Query<&mut Text>,
) where
T: Send + Sync,
Target<T>: TargetUpdate + Component,
{
for (target, interaction, children) in visibility_button_query.iter_mut() {
if matches!(interaction, Interaction::Pressed) {
let mut target_value = left_panel_query.get_mut(target.id).unwrap();
for &child in children {
if let Ok(mut text) = text_query.get_mut(child) {
text.sections[0].value = target.update_target(target_value.as_mut());
text.sections[0].style.color = if text.sections[0].value.contains("None")
|| text.sections[0].value.contains("Hidden")
{
Color::rgb(1.0, 0.7, 0.7)
} else {
Color::WHITE
};
}
}
}
}
}
fn text_hover(
mut button_query: Query<(&Interaction, &mut BackgroundColor, &Children), Changed<Interaction>>,
mut text_query: Query<&mut Text>,
) {
for (interaction, mut background_color, children) in button_query.iter_mut() {
match interaction {
Interaction::Hovered => {
*background_color = BackgroundColor(Color::BLACK.with_a(0.6));
for &child in children {
if let Ok(mut text) = text_query.get_mut(child) {
// Bypass change detection to avoid recomputation of the text when only changing the color
text.bypass_change_detection().sections[0].style.color = Color::YELLOW;
}
}
}
_ => {
*background_color = BackgroundColor(Color::BLACK.with_a(0.5));
for &child in children {
if let Ok(mut text) = text_query.get_mut(child) {
text.bypass_change_detection().sections[0].style.color =
if text.sections[0].value.contains("None")
|| text.sections[0].value.contains("Hidden")
{
HIDDEN_COLOR
} else {
Color::WHITE
};
}
}
}
}
}
}More examples
examples/stress_tests/many_buttons.rs (line 151)
115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223
fn setup_flex(mut commands: Commands, asset_server: Res<AssetServer>, args: Res<Args>) {
warn!(include_str!("warning_string.txt"));
let image = if 0 < args.image_freq {
Some(asset_server.load("branding/icon.png"))
} else {
None
};
let buttons_f = args.buttons as f32;
let border = if args.no_borders {
UiRect::ZERO
} else {
UiRect::all(Val::VMin(0.05 * 90. / buttons_f))
};
let as_rainbow = |i: usize| Color::hsl((i as f32 / buttons_f) * 360.0, 0.9, 0.8);
commands.spawn(Camera2dBundle::default());
commands
.spawn(NodeBundle {
style: Style {
flex_direction: FlexDirection::Column,
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
width: Val::Percent(100.),
height: Val::Percent(100.),
..default()
},
..default()
})
.with_children(|commands| {
for column in 0..args.buttons {
commands
.spawn(NodeBundle::default())
.with_children(|commands| {
for row in 0..args.buttons {
let color = as_rainbow(row % column.max(1)).into();
let border_color = Color::WHITE.with_a(0.5).into();
spawn_button(
commands,
color,
buttons_f,
column,
row,
!args.no_text,
border,
border_color,
image
.as_ref()
.filter(|_| (column + row) % args.image_freq == 0)
.cloned(),
);
}
});
}
});
}
fn setup_grid(mut commands: Commands, asset_server: Res<AssetServer>, args: Res<Args>) {
warn!(include_str!("warning_string.txt"));
let image = if 0 < args.image_freq {
Some(asset_server.load("branding/icon.png"))
} else {
None
};
let buttons_f = args.buttons as f32;
let border = if args.no_borders {
UiRect::ZERO
} else {
UiRect::all(Val::VMin(0.05 * 90. / buttons_f))
};
let as_rainbow = |i: usize| Color::hsl((i as f32 / buttons_f) * 360.0, 0.9, 0.8);
commands.spawn(Camera2dBundle::default());
commands
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
width: Val::Percent(100.),
height: Val::Percent(100.0),
grid_template_columns: RepeatedGridTrack::flex(args.buttons as u16, 1.0),
grid_template_rows: RepeatedGridTrack::flex(args.buttons as u16, 1.0),
..default()
},
..default()
})
.with_children(|commands| {
for column in 0..args.buttons {
for row in 0..args.buttons {
let color = as_rainbow(row % column.max(1)).into();
let border_color = Color::WHITE.with_a(0.5).into();
spawn_button(
commands,
color,
buttons_f,
column,
row,
!args.no_text,
border,
border_color,
image
.as_ref()
.filter(|_| (column + row) % args.image_freq == 0)
.cloned(),
);
}
}
});
}examples/stress_tests/bevymark.rs (line 249)
193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291
fn setup(
mut commands: Commands,
args: Res<Args>,
asset_server: Res<AssetServer>,
mut meshes: ResMut<Assets<Mesh>>,
material_assets: ResMut<Assets<ColorMaterial>>,
images: ResMut<Assets<Image>>,
windows: Query<&Window>,
counter: ResMut<BevyCounter>,
) {
warn!(include_str!("warning_string.txt"));
let args = args.into_inner();
let images = images.into_inner();
let mut textures = Vec::with_capacity(args.material_texture_count.max(1));
if matches!(args.mode, Mode::Sprite) || args.material_texture_count > 0 {
textures.push(asset_server.load("branding/icon.png"));
}
init_textures(&mut textures, args, images);
let material_assets = material_assets.into_inner();
let materials = init_materials(args, &textures, material_assets);
let mut bird_resources = BirdResources {
textures,
materials,
quad: meshes
.add(Rectangle::from_size(Vec2::splat(BIRD_TEXTURE_SIZE as f32)))
.into(),
color_rng: StdRng::seed_from_u64(42),
material_rng: StdRng::seed_from_u64(42),
velocity_rng: StdRng::seed_from_u64(42),
transform_rng: StdRng::seed_from_u64(42),
};
let text_section = move |color, value: &str| {
TextSection::new(
value,
TextStyle {
font_size: 40.0,
color,
..default()
},
)
};
commands.spawn(Camera2dBundle::default());
commands
.spawn(NodeBundle {
style: Style {
position_type: PositionType::Absolute,
padding: UiRect::all(Val::Px(5.0)),
..default()
},
z_index: ZIndex::Global(i32::MAX),
background_color: Color::BLACK.with_a(0.75).into(),
..default()
})
.with_children(|c| {
c.spawn((
TextBundle::from_sections([
text_section(Color::GREEN, "Bird Count: "),
text_section(Color::CYAN, ""),
text_section(Color::GREEN, "\nFPS (raw): "),
text_section(Color::CYAN, ""),
text_section(Color::GREEN, "\nFPS (SMA): "),
text_section(Color::CYAN, ""),
text_section(Color::GREEN, "\nFPS (EMA): "),
text_section(Color::CYAN, ""),
]),
StatsText,
));
});
let mut scheduled = BirdScheduled {
per_wave: args.per_wave,
waves: args.waves,
};
if args.benchmark {
let counter = counter.into_inner();
for wave in (0..scheduled.waves).rev() {
spawn_birds(
&mut commands,
args,
&windows.single().resolution,
counter,
scheduled.per_wave,
&mut bird_resources,
Some(wave),
wave,
);
}
scheduled.waves = 0;
}
commands.insert_resource(bird_resources);
commands.insert_resource(scheduled);
}examples/3d/shadow_biases.rs (line 128)
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
let spawn_plane_depth = 300.0f32;
let spawn_height = 2.0;
let sphere_radius = 0.25;
let white_handle = materials.add(StandardMaterial {
base_color: Color::WHITE,
perceptual_roughness: 1.0,
..default()
});
let sphere_handle = meshes.add(Sphere::new(sphere_radius));
let light_transform = Transform::from_xyz(5.0, 5.0, 0.0).looking_at(Vec3::ZERO, Vec3::Y);
commands
.spawn((
SpatialBundle {
transform: light_transform,
..default()
},
Lights,
))
.with_children(|builder| {
builder.spawn(PointLightBundle {
point_light: PointLight {
intensity: 0.0,
range: spawn_plane_depth,
color: Color::WHITE,
shadow_depth_bias: 0.0,
shadow_normal_bias: 0.0,
shadows_enabled: true,
..default()
},
..default()
});
builder.spawn(DirectionalLightBundle {
directional_light: DirectionalLight {
shadow_depth_bias: 0.0,
shadow_normal_bias: 0.0,
shadows_enabled: true,
..default()
},
..default()
});
});
// camera
commands.spawn((
Camera3dBundle {
transform: Transform::from_xyz(-1.0, 1.0, 1.0)
.looking_at(Vec3::new(-1.0, 1.0, 0.0), Vec3::Y),
..default()
},
CameraController::default(),
ShadowFilteringMethod::Hardware2x2,
));
for z_i32 in (-spawn_plane_depth as i32..=0).step_by(2) {
commands.spawn(PbrBundle {
mesh: sphere_handle.clone(),
material: white_handle.clone(),
transform: Transform::from_xyz(
0.0,
if z_i32 % 4 == 0 {
spawn_height
} else {
sphere_radius
},
z_i32 as f32,
),
..default()
});
}
// ground plane
let plane_size = 2.0 * spawn_plane_depth;
commands.spawn(PbrBundle {
mesh: meshes.add(Plane3d::default().mesh().size(plane_size, plane_size)),
material: white_handle,
..default()
});
let style = TextStyle {
font_size: 20.,
..default()
};
commands
.spawn(NodeBundle {
style: Style {
position_type: PositionType::Absolute,
padding: UiRect::all(Val::Px(5.0)),
..default()
},
z_index: ZIndex::Global(i32::MAX),
background_color: Color::BLACK.with_a(0.75).into(),
..default()
})
.with_children(|c| {
c.spawn(TextBundle::from_sections([
TextSection::new("Controls:\n", style.clone()),
TextSection::new("R / Z - reset biases to default / zero\n", style.clone()),
TextSection::new(
"L - switch between directional and point lights [",
style.clone(),
),
TextSection::new("DirectionalLight", style.clone()),
TextSection::new("]\n", style.clone()),
TextSection::new(
"F - switch directional light filter methods [",
style.clone(),
),
TextSection::new("Hardware2x2", style.clone()),
TextSection::new("]\n", style.clone()),
TextSection::new("1/2 - change point light depth bias [", style.clone()),
TextSection::new("0.00", style.clone()),
TextSection::new("]\n", style.clone()),
TextSection::new("3/4 - change point light normal bias [", style.clone()),
TextSection::new("0.0", style.clone()),
TextSection::new("]\n", style.clone()),
TextSection::new("5/6 - change direction light depth bias [", style.clone()),
TextSection::new("0.00", style.clone()),
TextSection::new("]\n", style.clone()),
TextSection::new(
"7/8 - change direction light normal bias [",
style.clone(),
),
TextSection::new("0.0", style.clone()),
TextSection::new("]\n", style.clone()),
TextSection::new(
"left/right/up/down/pgup/pgdown - adjust light position (looking at 0,0,0) [",
style.clone(),
),
TextSection::new(
format!("{:.1},", light_transform.translation.x),
style.clone(),
),
TextSection::new(
format!(" {:.1},", light_transform.translation.y),
style.clone(),
),
TextSection::new(
format!(" {:.1}", light_transform.translation.z),
style.clone(),
),
TextSection::new("]\n", style.clone()),
]));
});
}sourcepub fn is_fully_transparent(&self) -> bool
pub fn is_fully_transparent(&self) -> bool
Determine if the color is fully transparent, i.e. if the alpha is 0.
§Examples
// Fully transparent colors
assert!(Color::NONE.is_fully_transparent());
assert!(Color::rgba(1.0, 0.5, 0.5, 0.0).is_fully_transparent());
// (Partially) opaque colors
assert!(!Color::BLACK.is_fully_transparent());
assert!(!Color::rgba(1.0, 0.5, 0.5, 0.2).is_fully_transparent());sourcepub fn as_rgba_linear(&self) -> Color
pub fn as_rgba_linear(&self) -> Color
Converts a Color to variant Color::RgbaLinear
sourcepub fn as_rgba_u8(&self) -> [u8; 4]
pub fn as_rgba_u8(&self) -> [u8; 4]
Converts a Color to a [u8; 4] from sRGB colorspace
sourcepub fn as_rgba_f32(self) -> [f32; 4]
pub fn as_rgba_f32(self) -> [f32; 4]
Converts a Color to a [f32; 4] from sRGB colorspace
Examples found in repository?
examples/shader/shader_instancing.rs (line 46)
36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65
fn setup(mut commands: Commands, mut meshes: ResMut<Assets<Mesh>>) {
commands.spawn((
meshes.add(Cuboid::new(0.5, 0.5, 0.5)),
SpatialBundle::INHERITED_IDENTITY,
InstanceMaterialData(
(1..=10)
.flat_map(|x| (1..=10).map(move |y| (x as f32 / 10.0, y as f32 / 10.0)))
.map(|(x, y)| InstanceData {
position: Vec3::new(x * 10.0 - 5.0, y * 10.0 - 5.0, 0.0),
scale: 1.0,
color: Color::hsla(x * 360., y, 0.5, 1.0).as_rgba_f32(),
})
.collect(),
),
// NOTE: Frustum culling is done based on the Aabb of the Mesh and the GlobalTransform.
// As the cube is at the origin, if its Aabb moves outside the view frustum, all the
// instanced cubes will be culled.
// The InstanceMaterialData contains the 'GlobalTransform' information for this custom
// instancing, and that is not taken into account with the built-in frustum culling.
// We must disable the built-in frustum culling by adding the `NoFrustumCulling` marker
// component to avoid incorrect culling.
NoFrustumCulling,
));
// camera
commands.spawn(Camera3dBundle {
transform: Transform::from_xyz(0.0, 0.0, 15.0).looking_at(Vec3::ZERO, Vec3::Y),
..default()
});
}More examples
examples/2d/mesh2d_vertex_color_texture.rs (line 30)
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<ColorMaterial>>,
asset_server: Res<AssetServer>,
) {
// Load the Bevy logo as a texture
let texture_handle = asset_server.load("branding/banner.png");
// Build a default quad mesh
let mut mesh = Mesh::from(Rectangle::default());
// Build vertex colors for the quad. One entry per vertex (the corners of the quad)
let vertex_colors: Vec<[f32; 4]> = vec![
Color::RED.as_rgba_f32(),
Color::GREEN.as_rgba_f32(),
Color::BLUE.as_rgba_f32(),
Color::WHITE.as_rgba_f32(),
];
// Insert the vertex colors as an attribute
mesh.insert_attribute(Mesh::ATTRIBUTE_COLOR, vertex_colors);
let mesh_handle: Mesh2dHandle = meshes.add(mesh).into();
// Spawn camera
commands.spawn(Camera2dBundle::default());
// Spawn the quad with vertex colors
commands.spawn(MaterialMesh2dBundle {
mesh: mesh_handle.clone(),
transform: Transform::from_translation(Vec3::new(-96., 0., 0.))
.with_scale(Vec3::splat(128.)),
material: materials.add(ColorMaterial::default()),
..default()
});
// Spawning the quad with vertex colors and a texture results in tinting
commands.spawn(MaterialMesh2dBundle {
mesh: mesh_handle,
transform: Transform::from_translation(Vec3::new(96., 0., 0.))
.with_scale(Vec3::splat(128.)),
material: materials.add(texture_handle),
..default()
});
}sourcepub fn as_linear_rgba_f32(self) -> [f32; 4]
pub fn as_linear_rgba_f32(self) -> [f32; 4]
Converts a Color to a [f32; 4] from linear RGB colorspace
sourcepub fn as_hsla_f32(self) -> [f32; 4]
pub fn as_hsla_f32(self) -> [f32; 4]
Converts a Color to a [f32; 4] from HSL colorspace
sourcepub fn as_lcha_f32(self) -> [f32; 4]
pub fn as_lcha_f32(self) -> [f32; 4]
Converts a Color to a [f32; 4] from LCH colorspace
sourcepub fn as_rgba_u32(self) -> u32
pub fn as_rgba_u32(self) -> u32
Converts Color to a u32 from sRGB colorspace.
Maps the RGBA channels in RGBA order to a little-endian byte array (GPUs are little-endian).
A will be the most significant byte and R the least significant.
sourcepub fn as_linear_rgba_u32(self) -> u32
pub fn as_linear_rgba_u32(self) -> u32
Converts Color to a u32 from linear RGB colorspace.
Maps the RGBA channels in RGBA order to a little-endian byte array (GPUs are little-endian).
A will be the most significant byte and R the least significant.
Examples found in repository?
examples/2d/mesh2d_manual.rs (line 83)
42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117
fn star(
mut commands: Commands,
// We will add a new Mesh for the star being created
mut meshes: ResMut<Assets<Mesh>>,
) {
// Let's define the mesh for the object we want to draw: a nice star.
// We will specify here what kind of topology is used to define the mesh,
// that is, how triangles are built from the vertices. We will use a
// triangle list, meaning that each vertex of the triangle has to be
// specified. We set `RenderAssetUsages::RENDER_WORLD`, meaning this mesh
// will not be accessible in future frames from the `meshes` resource, in
// order to save on memory once it has been uploaded to the GPU.
let mut star = Mesh::new(
PrimitiveTopology::TriangleList,
RenderAssetUsages::RENDER_WORLD,
);
// Vertices need to have a position attribute. We will use the following
// vertices (I hope you can spot the star in the schema).
//
// 1
//
// 10 2
// 9 0 3
// 8 4
// 6
// 7 5
//
// These vertices are specified in 3D space.
let mut v_pos = vec![[0.0, 0.0, 0.0]];
for i in 0..10 {
// The angle between each vertex is 1/10 of a full rotation.
let a = i as f32 * PI / 5.0;
// The radius of inner vertices (even indices) is 100. For outer vertices (odd indices) it's 200.
let r = (1 - i % 2) as f32 * 100.0 + 100.0;
// Add the vertex position.
v_pos.push([r * a.sin(), r * a.cos(), 0.0]);
}
// Set the position attribute
star.insert_attribute(Mesh::ATTRIBUTE_POSITION, v_pos);
// And a RGB color attribute as well
let mut v_color: Vec<u32> = vec![Color::BLACK.as_linear_rgba_u32()];
v_color.extend_from_slice(&[Color::YELLOW.as_linear_rgba_u32(); 10]);
star.insert_attribute(
MeshVertexAttribute::new("Vertex_Color", 1, VertexFormat::Uint32),
v_color,
);
// Now, we specify the indices of the vertex that are going to compose the
// triangles in our star. Vertices in triangles have to be specified in CCW
// winding (that will be the front face, colored). Since we are using
// triangle list, we will specify each triangle as 3 vertices
// First triangle: 0, 2, 1
// Second triangle: 0, 3, 2
// Third triangle: 0, 4, 3
// etc
// Last triangle: 0, 1, 10
let mut indices = vec![0, 1, 10];
for i in 2..=10 {
indices.extend_from_slice(&[0, i, i - 1]);
}
star.insert_indices(Indices::U32(indices));
// We can now spawn the entities for the star and the camera
commands.spawn((
// We use a marker component to identify the custom colored meshes
ColoredMesh2d,
// The `Handle<Mesh>` needs to be wrapped in a `Mesh2dHandle` to use 2d rendering instead of 3d
Mesh2dHandle(meshes.add(star)),
// This bundle's components are needed for something to be rendered
SpatialBundle::INHERITED_IDENTITY,
));
// Spawn the camera
commands.spawn(Camera2dBundle::default());
}sourcepub fn rgba_from_array(arr: impl Into<[f32; 4]>) -> Color
pub fn rgba_from_array(arr: impl Into<[f32; 4]>) -> Color
New Color from [f32; 4] (or a type that can be converted into them) with RGB representation in sRGB colorspace.
sourcepub fn rgb_from_array(arr: impl Into<[f32; 3]>) -> Color
pub fn rgb_from_array(arr: impl Into<[f32; 3]>) -> Color
New Color from [f32; 3] (or a type that can be converted into them) with RGB representation in sRGB colorspace.
sourcepub fn rgba_linear_from_array(arr: impl Into<[f32; 4]>) -> Color
pub fn rgba_linear_from_array(arr: impl Into<[f32; 4]>) -> Color
New Color from [f32; 4] (or a type that can be converted into them) with RGB representation in linear RGB colorspace.
sourcepub fn rgb_linear_from_array(arr: impl Into<[f32; 3]>) -> Color
pub fn rgb_linear_from_array(arr: impl Into<[f32; 3]>) -> Color
New Color from [f32; 3] (or a type that can be converted into them) with RGB representation in linear RGB colorspace.
sourcepub fn hsla_from_array(arr: impl Into<[f32; 4]>) -> Color
pub fn hsla_from_array(arr: impl Into<[f32; 4]>) -> Color
New Color from [f32; 4] (or a type that can be converted into them) with HSL representation in sRGB colorspace.
sourcepub fn hsl_from_array(arr: impl Into<[f32; 3]>) -> Color
pub fn hsl_from_array(arr: impl Into<[f32; 3]>) -> Color
New Color from [f32; 3] (or a type that can be converted into them) with HSL representation in sRGB colorspace.
sourcepub fn lcha_from_array(arr: impl Into<[f32; 4]>) -> Color
pub fn lcha_from_array(arr: impl Into<[f32; 4]>) -> Color
New Color from [f32; 4] (or a type that can be converted into them) with LCH representation in sRGB colorspace.
sourcepub fn lch_from_array(arr: impl Into<[f32; 3]>) -> Color
pub fn lch_from_array(arr: impl Into<[f32; 3]>) -> Color
New Color from [f32; 3] (or a type that can be converted into them) with LCH representation in sRGB colorspace.
sourcepub fn rgba_to_vec4(&self) -> Vec4
pub fn rgba_to_vec4(&self) -> Vec4
Convert Color to RGBA and return as Vec4.
Examples found in repository?
examples/ui/ui_material.rs (line 20)
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
fn update(time: Res<Time>, mut ui_materials: ResMut<Assets<CustomUiMaterial>>) {
for (_, material) in ui_materials.iter_mut() {
// rainbow color effect
let new_color = Color::hsl((time.elapsed_seconds() * 60.0) % 360.0, 1., 0.5);
material.color = new_color.rgba_to_vec4();
}
}
fn setup(mut commands: Commands, mut ui_materials: ResMut<Assets<CustomUiMaterial>>) {
// Camera so we can see UI
commands.spawn(Camera2dBundle::default());
commands
.spawn(NodeBundle {
style: Style {
width: Val::Percent(100.0),
height: Val::Percent(100.0),
align_items: AlignItems::Center,
justify_content: JustifyContent::Center,
..default()
},
..default()
})
.with_children(|parent| {
parent.spawn(MaterialNodeBundle {
style: Style {
position_type: PositionType::Absolute,
width: Val::Px(250.0),
height: Val::Px(250.0),
..default()
},
material: ui_materials.add(CustomUiMaterial {
color: Color::WHITE.rgba_to_vec4(),
}),
..default()
});
});
}sourcepub fn rgb_to_vec3(&self) -> Vec3
pub fn rgb_to_vec3(&self) -> Vec3
Convert Color to RGBA and return as Vec3.
sourcepub fn rgba_linear_to_vec4(&self) -> Vec4
pub fn rgba_linear_to_vec4(&self) -> Vec4
Convert Color to linear RGBA and return as Vec4.
sourcepub fn rgb_linear_to_vec3(&self) -> Vec3
pub fn rgb_linear_to_vec3(&self) -> Vec3
Convert Color to linear RGBA and return as Vec3.
sourcepub fn hsla_to_vec4(&self) -> Vec4
pub fn hsla_to_vec4(&self) -> Vec4
Convert Color to HSLA and return as Vec4.
sourcepub fn hsl_to_vec3(&self) -> Vec3
pub fn hsl_to_vec3(&self) -> Vec3
Convert Color to HSLA and return as Vec3.
sourcepub fn lcha_to_vec4(&self) -> Vec4
pub fn lcha_to_vec4(&self) -> Vec4
Convert Color to LCHA and return as Vec4.
sourcepub fn lch_to_vec3(&self) -> Vec3
pub fn lch_to_vec3(&self) -> Vec3
Convert Color to LCHA and return as Vec3.
Trait Implementations§
source§impl CreateFrom for Color
impl CreateFrom for Color
source§impl<'de> Deserialize<'de> for Color
impl<'de> Deserialize<'de> for Color
source§fn deserialize<__D>(
__deserializer: __D
) -> Result<Color, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(
__deserializer: __D
) -> Result<Color, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
source§impl Enum for Color
impl Enum for Color
source§fn field(&self, __name_param: &str) -> Option<&(dyn Reflect + 'static)>
fn field(&self, __name_param: &str) -> Option<&(dyn Reflect + 'static)>
Returns a reference to the value of the field (in the current variant) with the given name. Read more
source§fn field_at(&self, __index_param: usize) -> Option<&(dyn Reflect + 'static)>
fn field_at(&self, __index_param: usize) -> Option<&(dyn Reflect + 'static)>
Returns a reference to the value of the field (in the current variant) at the given index.
source§fn field_mut(
&mut self,
__name_param: &str
) -> Option<&mut (dyn Reflect + 'static)>
fn field_mut( &mut self, __name_param: &str ) -> Option<&mut (dyn Reflect + 'static)>
Returns a mutable reference to the value of the field (in the current variant) with the given name. Read more
source§fn field_at_mut(
&mut self,
__index_param: usize
) -> Option<&mut (dyn Reflect + 'static)>
fn field_at_mut( &mut self, __index_param: usize ) -> Option<&mut (dyn Reflect + 'static)>
Returns a mutable reference to the value of the field (in the current variant) at the given index.
source§fn index_of(&self, __name_param: &str) -> Option<usize>
fn index_of(&self, __name_param: &str) -> Option<usize>
Returns the index of the field (in the current variant) with the given name. Read more
source§fn name_at(&self, __index_param: usize) -> Option<&str>
fn name_at(&self, __index_param: usize) -> Option<&str>
Returns the name of the field (in the current variant) with the given index. Read more
source§fn iter_fields(&self) -> VariantFieldIter<'_> ⓘ
fn iter_fields(&self) -> VariantFieldIter<'_> ⓘ
Returns an iterator over the values of the current variant’s fields.
source§fn variant_name(&self) -> &str
fn variant_name(&self) -> &str
The name of the current variant.
source§fn variant_index(&self) -> usize
fn variant_index(&self) -> usize
The index of the current variant.
source§fn variant_type(&self) -> VariantType
fn variant_type(&self) -> VariantType
The type of the current variant.
fn clone_dynamic(&self) -> DynamicEnum
source§fn is_variant(&self, variant_type: VariantType) -> bool
fn is_variant(&self, variant_type: VariantType) -> bool
Returns true if the current variant’s type matches the given one.
source§fn variant_path(&self) -> String
fn variant_path(&self) -> String
Returns the full path to the current variant.
source§impl From<Color> for BackgroundColor
impl From<Color> for BackgroundColor
source§fn from(color: Color) -> BackgroundColor
fn from(color: Color) -> BackgroundColor
Converts to this type from the input type.
source§impl From<Color> for BorderColor
impl From<Color> for BorderColor
source§fn from(color: Color) -> BorderColor
fn from(color: Color) -> BorderColor
Converts to this type from the input type.
source§impl From<Color> for ClearColorConfig
impl From<Color> for ClearColorConfig
source§fn from(color: Color) -> ClearColorConfig
fn from(color: Color) -> ClearColorConfig
Converts to this type from the input type.
source§impl From<Color> for ColorMaterial
impl From<Color> for ColorMaterial
source§fn from(color: Color) -> ColorMaterial
fn from(color: Color) -> ColorMaterial
Converts to this type from the input type.
source§impl From<Color> for StandardMaterial
impl From<Color> for StandardMaterial
source§fn from(color: Color) -> StandardMaterial
fn from(color: Color) -> StandardMaterial
Converts to this type from the input type.
source§impl FromReflect for Color
impl FromReflect for Color
source§fn from_reflect(__param0: &(dyn Reflect + 'static)) -> Option<Color>
fn from_reflect(__param0: &(dyn Reflect + 'static)) -> Option<Color>
Constructs a concrete instance of
Self from a reflected value.source§fn take_from_reflect(
reflect: Box<dyn Reflect>
) -> Result<Self, Box<dyn Reflect>>
fn take_from_reflect( reflect: Box<dyn Reflect> ) -> Result<Self, Box<dyn Reflect>>
Attempts to downcast the given value to
Self using,
constructing the value using from_reflect if that fails. Read moresource§impl GetTypeRegistration for Color
impl GetTypeRegistration for Color
source§impl MulAssign<Vec3> for Color
impl MulAssign<Vec3> for Color
source§fn mul_assign(&mut self, rhs: Vec3)
fn mul_assign(&mut self, rhs: Vec3)
Performs the
*= operation. Read moresource§impl MulAssign<Vec4> for Color
impl MulAssign<Vec4> for Color
source§fn mul_assign(&mut self, rhs: Vec4)
fn mul_assign(&mut self, rhs: Vec4)
Performs the
*= operation. Read moresource§impl MulAssign<f32> for Color
impl MulAssign<f32> for Color
source§fn mul_assign(&mut self, rhs: f32)
fn mul_assign(&mut self, rhs: f32)
Performs the
*= operation. Read moresource§impl PartialEq for Color
impl PartialEq for Color
source§impl Reflect for Color
impl Reflect for Color
source§fn get_represented_type_info(&self) -> Option<&'static TypeInfo>
fn get_represented_type_info(&self) -> Option<&'static TypeInfo>
source§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Returns the value as a
&mut dyn Any.source§fn into_reflect(self: Box<Color>) -> Box<dyn Reflect>
fn into_reflect(self: Box<Color>) -> Box<dyn Reflect>
Casts this type to a boxed reflected value.
source§fn as_reflect(&self) -> &(dyn Reflect + 'static)
fn as_reflect(&self) -> &(dyn Reflect + 'static)
Casts this type to a reflected value.
source§fn as_reflect_mut(&mut self) -> &mut (dyn Reflect + 'static)
fn as_reflect_mut(&mut self) -> &mut (dyn Reflect + 'static)
Casts this type to a mutable reflected value.
source§fn clone_value(&self) -> Box<dyn Reflect>
fn clone_value(&self) -> Box<dyn Reflect>
Clones the value as a
Reflect trait object. Read moresource§fn set(
&mut self,
__value_param: Box<dyn Reflect>
) -> Result<(), Box<dyn Reflect>>
fn set( &mut self, __value_param: Box<dyn Reflect> ) -> Result<(), Box<dyn Reflect>>
Performs a type-checked assignment of a reflected value to this value. Read more
source§fn apply(&mut self, __value_param: &(dyn Reflect + 'static))
fn apply(&mut self, __value_param: &(dyn Reflect + 'static))
Applies a reflected value to this value. Read more
source§fn reflect_kind(&self) -> ReflectKind
fn reflect_kind(&self) -> ReflectKind
Returns a zero-sized enumeration of “kinds” of type. Read more
source§fn reflect_ref(&self) -> ReflectRef<'_>
fn reflect_ref(&self) -> ReflectRef<'_>
Returns an immutable enumeration of “kinds” of type. Read more
source§fn reflect_mut(&mut self) -> ReflectMut<'_>
fn reflect_mut(&mut self) -> ReflectMut<'_>
Returns a mutable enumeration of “kinds” of type. Read more
source§fn reflect_owned(self: Box<Color>) -> ReflectOwned
fn reflect_owned(self: Box<Color>) -> ReflectOwned
Returns an owned enumeration of “kinds” of type. Read more
source§fn reflect_hash(&self) -> Option<u64>
fn reflect_hash(&self) -> Option<u64>
Returns a hash of the value (which includes the type). Read more
source§fn reflect_partial_eq(&self, value: &(dyn Reflect + 'static)) -> Option<bool>
fn reflect_partial_eq(&self, value: &(dyn Reflect + 'static)) -> Option<bool>
Returns a “partial equality” comparison result. Read more
source§fn debug(&self, f: &mut Formatter<'_>) -> Result<(), Error>
fn debug(&self, f: &mut Formatter<'_>) -> Result<(), Error>
Debug formatter for the value. Read more
source§fn serializable(&self) -> Option<Serializable<'_>>
fn serializable(&self) -> Option<Serializable<'_>>
Returns a serializable version of the value. Read more
source§fn is_dynamic(&self) -> bool
fn is_dynamic(&self) -> bool
Indicates whether or not this type is a dynamic type. Read more
source§impl Serialize for Color
impl Serialize for Color
source§fn serialize<__S>(
&self,
__serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
fn serialize<__S>(
&self,
__serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
Serialize this value into the given Serde serializer. Read more
source§impl ShaderSize for Color
impl ShaderSize for Color
source§const SHADER_SIZE: NonZero<u64> = _
const SHADER_SIZE: NonZero<u64> = _
Represents WGSL Size (equivalent to
ShaderType::min_size)source§impl ShaderType for Color
impl ShaderType for Color
source§fn assert_uniform_compat()
fn assert_uniform_compat()
Asserts that
Self meets the requirements of the
uniform address space restrictions on stored values and the
uniform address space layout constraints Read moresource§impl TypePath for Color
impl TypePath for Color
source§fn type_path() -> &'static str
fn type_path() -> &'static str
Returns the fully qualified path of the underlying type. Read more
source§fn short_type_path() -> &'static str
fn short_type_path() -> &'static str
Returns a short, pretty-print enabled path to the type. Read more
source§fn type_ident() -> Option<&'static str>
fn type_ident() -> Option<&'static str>
source§fn crate_name() -> Option<&'static str>
fn crate_name() -> Option<&'static str>
source§impl WriteInto for Color
impl WriteInto for Color
fn write_into<B>(&self, writer: &mut Writer<B>)where
B: BufferMut,
impl Copy for Color
impl StructuralPartialEq for Color
Auto Trait Implementations§
impl Freeze for Color
impl RefUnwindSafe for Color
impl Send for Color
impl Sync for Color
impl Unpin for Color
impl UnwindSafe for Color
Blanket Implementations§
source§impl<T, U> AsBindGroupShaderType<U> for T
impl<T, U> AsBindGroupShaderType<U> for T
source§fn as_bind_group_shader_type(&self, _images: &RenderAssets<Image>) -> U
fn as_bind_group_shader_type(&self, _images: &RenderAssets<Image>) -> U
Return the
T ShaderType for self. When used in AsBindGroup
derives, it is safe to assume that all images in self exist.source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
source§fn into_any(self: Box<T>) -> Box<dyn Any>
fn into_any(self: Box<T>) -> Box<dyn Any>
Convert
Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can
then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.source§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
Convert
Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be
further downcast into Rc<ConcreteType> where ConcreteType implements Trait.source§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
Convert
&Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot
generate &Any’s vtable from &Trait’s.source§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Convert
&mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot
generate &mut Any’s vtable from &mut Trait’s.source§impl<T> DowncastSync for T
impl<T> DowncastSync for T
source§impl<T> DynamicTypePath for Twhere
T: TypePath,
impl<T> DynamicTypePath for Twhere
T: TypePath,
source§fn reflect_type_path(&self) -> &str
fn reflect_type_path(&self) -> &str
See
TypePath::type_path.source§fn reflect_short_type_path(&self) -> &str
fn reflect_short_type_path(&self) -> &str
source§fn reflect_type_ident(&self) -> Option<&str>
fn reflect_type_ident(&self) -> Option<&str>
See
TypePath::type_ident.source§fn reflect_crate_name(&self) -> Option<&str>
fn reflect_crate_name(&self) -> Option<&str>
See
TypePath::crate_name.source§fn reflect_module_path(&self) -> Option<&str>
fn reflect_module_path(&self) -> Option<&str>
source§impl<S> FromSample<S> for S
impl<S> FromSample<S> for S
fn from_sample_(s: S) -> S
source§impl<T> FromWorld for Twhere
T: Default,
impl<T> FromWorld for Twhere
T: Default,
source§fn from_world(_world: &mut World) -> T
fn from_world(_world: &mut World) -> T
Creates
Self using data from the given World.source§impl<T> GetPath for T
impl<T> GetPath for T
source§fn reflect_path<'p>(
&self,
path: impl ReflectPath<'p>
) -> Result<&(dyn Reflect + 'static), ReflectPathError<'p>>
fn reflect_path<'p>( &self, path: impl ReflectPath<'p> ) -> Result<&(dyn Reflect + 'static), ReflectPathError<'p>>
Returns a reference to the value specified by
path. Read moresource§fn reflect_path_mut<'p>(
&mut self,
path: impl ReflectPath<'p>
) -> Result<&mut (dyn Reflect + 'static), ReflectPathError<'p>>
fn reflect_path_mut<'p>( &mut self, path: impl ReflectPath<'p> ) -> Result<&mut (dyn Reflect + 'static), ReflectPathError<'p>>
Returns a mutable reference to the value specified by
path. Read moresource§fn path<'p, T>(
&self,
path: impl ReflectPath<'p>
) -> Result<&T, ReflectPathError<'p>>where
T: Reflect,
fn path<'p, T>(
&self,
path: impl ReflectPath<'p>
) -> Result<&T, ReflectPathError<'p>>where
T: Reflect,
Returns a statically typed reference to the value specified by
path. Read moresource§fn path_mut<'p, T>(
&mut self,
path: impl ReflectPath<'p>
) -> Result<&mut T, ReflectPathError<'p>>where
T: Reflect,
fn path_mut<'p, T>(
&mut self,
path: impl ReflectPath<'p>
) -> Result<&mut T, ReflectPathError<'p>>where
T: Reflect,
Returns a statically typed mutable reference to the value specified by
path. Read more