pub fn root_ui() -> impl DerefMut<Target = Ui>
Expand description
Root UI. Widgets drawn with the root ui will be always presented at the end of the frame with a “default” camera. UI space would be a “default” screen space (0..screen_width(), 0..screen_height())
Examples found in repository?
examples/audio.rs (line 13)
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
async fn main() {
set_pc_assets_folder("examples");
let sound1 = audio::load_sound("sound.wav").await.unwrap();
let sound2 = audio::load_sound("sound2.wav").await.unwrap();
loop {
clear_background(LIGHTGRAY);
if ui::root_ui().button(None, "Play sound 1") {
warn!("play 1!");
audio::play_sound_once(&sound1);
}
if ui::root_ui().button(None, "Play sound 2") {
warn!("play 2!");
audio::play_sound_once(&sound2);
}
next_frame().await
}
}
More examples
examples/exit_dialog.rs (line 22)
5 6 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
async fn main() {
prevent_quit();
let mut show_exit_dialog = false;
let mut user_decided_to_exit = false;
loop {
clear_background(GRAY);
if is_quit_requested() {
show_exit_dialog = true;
}
if show_exit_dialog {
let dialog_size = vec2(200., 70.);
let screen_size = vec2(screen_width(), screen_height());
let dialog_position = screen_size / 2. - dialog_size / 2.;
Window::new(hash!(), dialog_position, dialog_size).ui(&mut *root_ui(), |ui| {
ui.label(None, "Do you really want to quit?");
ui.separator();
ui.same_line(60.);
if ui.button(None, "Yes") {
user_decided_to_exit = true;
}
ui.same_line(120.);
if ui.button(None, "No") {
show_exit_dialog = false;
}
});
}
if user_decided_to_exit {
break;
}
next_frame().await
}
}
examples/events.rs (line 9)
6 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
async fn main() {
loop {
clear_background(WHITE);
root_ui().window(hash!(), Vec2::new(20., 20.), Vec2::new(450., 200.), |ui| {
let (mouse_x, mouse_y) = mouse_position();
ui.label(None, &format!("Mouse position: {} {}", mouse_x, mouse_y));
let (mouse_wheel_x, mouse_wheel_y) = mouse_wheel();
ui.label(None, &format!("Mouse wheel x: {}", mouse_wheel_x));
ui.label(None, &format!("Mouse wheel y: {}", mouse_wheel_y));
widgets::Group::new(hash!(), Vec2::new(200., 90.))
.position(Vec2::new(240., 0.))
.ui(ui, |ui| {
ui.label(None, "Pressed kbd keys");
if let Some(key) = get_last_key_pressed() {
ui.label(None, &format!("{:?}", key))
}
});
widgets::Group::new(hash!(), Vec2::new(200., 90.))
.position(Vec2::new(240., 92.))
.ui(ui, |ui| {
ui.label(None, "Pressed mouse keys");
if is_mouse_button_down(MouseButton::Left) {
ui.label(None, "Left");
}
if is_mouse_button_down(MouseButton::Right) {
ui.label(None, "Right");
}
if is_mouse_button_down(MouseButton::Middle) {
ui.label(None, "Middle");
}
});
});
next_frame().await;
}
}
examples/ui.rs (line 156)
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
async fn main() {
let mut data = Data::new();
let mut data0 = String::new();
let mut data1 = String::new();
let mut text0 = String::new();
let mut text1 = String::new();
let mut number0 = 0.;
let mut number1 = 0.;
let texture: Texture2D = load_texture("examples/ferris.png").await.unwrap();
loop {
clear_background(WHITE);
widgets::Window::new(hash!(), vec2(400., 200.), vec2(320., 400.))
.label("Shop")
.titlebar(true)
.ui(&mut *root_ui(), |ui| {
for i in 0..30 {
Group::new(hash!("shop", i), Vec2::new(300., 80.)).ui(ui, |ui| {
ui.label(Vec2::new(10., 10.), &format!("Item N {}", i));
ui.label(Vec2::new(260., 40.), "10/10");
ui.label(Vec2::new(200., 58.), &format!("{} kr", 800));
if ui.button(Vec2::new(260., 55.), "buy") {
data.inventory.push(format!("Item {}", i));
}
});
}
});
widgets::Window::new(hash!(), vec2(100., 220.), vec2(542., 430.))
.label("Fitting window")
.titlebar(true)
.ui(&mut *root_ui(), |ui| {
Group::new(hash!(), Vec2::new(230., 400.)).ui(ui, |ui| {
data.slots(ui);
});
Group::new(hash!(), Vec2::new(280., 400.)).ui(ui, |ui| {
data.inventory(ui);
});
});
widgets::Window::new(hash!(), vec2(470., 50.), vec2(300., 300.))
.label("Megaui Showcase Window")
.ui(&mut *root_ui(), |ui| {
ui.tree_node(hash!(), "input", |ui| {
ui.label(None, "Some random text");
if ui.button(None, "click me") {
println!("hi");
}
ui.separator();
ui.label(None, "Some other random text");
if ui.button(None, "other button") {
println!("hi2");
}
ui.separator();
ui.input_text(hash!(), "<- input text 1", &mut data0);
ui.input_text(hash!(), "<- input text 2", &mut data1);
ui.label(
None,
&format!("Text entered: \"{}\" and \"{}\"", data0, data1),
);
ui.separator();
});
ui.tree_node(hash!(), "buttons", |ui| {
widgets::Button::new(texture.clone())
.size(vec2(120., 70.))
.ui(ui);
ui.same_line(0.);
widgets::Button::new("Button").size(vec2(120., 70.)).ui(ui);
widgets::Button::new("Button").size(vec2(120., 70.)).ui(ui);
ui.same_line(0.);
widgets::Button::new(texture.clone())
.size(vec2(120., 70.))
.ui(ui);
});
ui.tree_node(hash!(), "sliders", |ui| {
ui.slider(hash!(), "[-10 .. 10]", -10f32..10f32, &mut number0);
ui.slider(hash!(), "[0 .. 100]", 0f32..100f32, &mut number1);
});
ui.tree_node(hash!(), "editbox 1", |ui| {
ui.label(None, "This is editbox!");
ui.editbox(hash!(), vec2(285., 165.), &mut text0);
});
ui.tree_node(hash!(), "editbox 2", |ui| {
ui.label(None, "This is editbox!");
ui.editbox(hash!(), vec2(285., 165.), &mut text1);
});
});
match data.fit_command.take() {
Some(FittingCommand::Unfit { target_slot }) => data.set_item(target_slot, None),
Some(FittingCommand::Fit { target_slot, item }) => {
data.set_item(target_slot, Some(item));
}
Some(FittingCommand::Refit {
target_slot,
origin_slot,
}) => {
let origin_item = data
.slots
.iter()
.find_map(|(_, slot)| {
if slot.id == origin_slot {
Some(slot.item.clone())
} else {
None
}
})
.flatten();
data.set_item(target_slot, origin_item);
data.set_item(origin_slot, None);
}
None => {}
};
next_frame().await;
}
}
examples/ui_skins.rs (line 8)
6 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
async fn main() {
let skin1 = {
let label_style = root_ui()
.style_builder()
.font(include_bytes!("../examples/ui_assets/HTOWERT.TTF"))
.unwrap()
.text_color(Color::from_rgba(180, 180, 120, 255))
.font_size(30)
.build();
let window_style = root_ui()
.style_builder()
.background(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/window_background.png"),
None,
)
.unwrap(),
)
.background_margin(RectOffset::new(20.0, 20.0, 10.0, 10.0))
.margin(RectOffset::new(-20.0, -30.0, 0.0, 0.0))
.build();
let button_style = root_ui()
.style_builder()
.background(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/button_background.png"),
None,
)
.unwrap(),
)
.background_margin(RectOffset::new(37.0, 37.0, 5.0, 5.0))
.margin(RectOffset::new(10.0, 10.0, 0.0, 0.0))
.background_hovered(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/button_hovered_background.png"),
None,
)
.unwrap(),
)
.background_clicked(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/button_clicked_background.png"),
None,
)
.unwrap(),
)
.font(include_bytes!("../examples/ui_assets/HTOWERT.TTF"))
.unwrap()
.text_color(Color::from_rgba(180, 180, 100, 255))
.font_size(40)
.build();
let editbox_style = root_ui()
.style_builder()
.background_margin(RectOffset::new(0., 0., 0., 0.))
.font(include_bytes!("../examples/ui_assets/HTOWERT.TTF"))
.unwrap()
.text_color(Color::from_rgba(120, 120, 120, 255))
.color_selected(Color::from_rgba(190, 190, 190, 255))
.font_size(50)
.build();
Skin {
editbox_style,
window_style,
button_style,
label_style,
..root_ui().default_skin()
}
};
let skin2 = {
let label_style = root_ui()
.style_builder()
.font(include_bytes!("../examples/ui_assets/MinimalPixel v2.ttf"))
.unwrap()
.text_color(Color::from_rgba(120, 120, 120, 255))
.font_size(25)
.build();
let window_style = root_ui()
.style_builder()
.background(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/window_background_2.png"),
None,
)
.unwrap(),
)
.background_margin(RectOffset::new(52.0, 52.0, 52.0, 52.0))
.margin(RectOffset::new(-30.0, 0.0, -30.0, 0.0))
.build();
let button_style = root_ui()
.style_builder()
.background(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/button_background_2.png"),
None,
)
.unwrap(),
)
.background_margin(RectOffset::new(8.0, 8.0, 8.0, 8.0))
.background_hovered(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/button_hovered_background_2.png"),
None,
)
.unwrap(),
)
.background_clicked(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/button_clicked_background_2.png"),
None,
)
.unwrap(),
)
.font(include_bytes!("../examples/ui_assets/MinimalPixel v2.ttf"))
.unwrap()
.text_color(Color::from_rgba(180, 180, 100, 255))
.font_size(40)
.build();
let checkbox_style = root_ui()
.style_builder()
.background(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/checkbox_background.png"),
None,
)
.unwrap(),
)
.background_hovered(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/checkbox_hovered_background.png"),
None,
)
.unwrap(),
)
.background_clicked(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/checkbox_clicked_background.png"),
None,
)
.unwrap(),
)
.build();
let editbox_style = root_ui()
.style_builder()
.background(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/editbox_background.png"),
None,
)
.unwrap(),
)
.background_margin(RectOffset::new(2., 2., 2., 2.))
.font(include_bytes!("../examples/ui_assets/MinimalPixel v2.ttf"))
.unwrap()
.text_color(Color::from_rgba(120, 120, 120, 255))
.font_size(25)
.build();
let combobox_style = root_ui()
.style_builder()
.background(
Image::from_file_with_format(
include_bytes!("../examples/ui_assets/combobox_background.png"),
None,
)
.unwrap(),
)
.background_margin(RectOffset::new(4., 25., 6., 6.))
.font(include_bytes!("../examples/ui_assets/MinimalPixel v2.ttf"))
.unwrap()
.text_color(Color::from_rgba(120, 120, 120, 255))
.color(Color::from_rgba(210, 210, 210, 255))
.font_size(25)
.build();
Skin {
window_style,
button_style,
label_style,
checkbox_style,
editbox_style,
combobox_style,
..root_ui().default_skin()
}
};
let default_skin = root_ui().default_skin().clone();
let mut window1_skin = skin1.clone();
let mut window2_skin = skin2.clone();
let mut checkbox = false;
let mut text = String::new();
let mut number = 0.0f32;
let mut combobox = 0;
loop {
clear_background(GRAY);
root_ui().group(hash!(), vec2(70.0, 100.0), |ui| {
ui.label(None, "Window 1");
if ui.button(None, "Skin 1") {
window1_skin = skin1.clone();
}
if ui.button(None, "Skin 2") {
window1_skin = skin2.clone();
}
if ui.button(None, "No Skin") {
window1_skin = default_skin.clone();
}
});
root_ui().same_line(0.);
root_ui().group(hash!(), vec2(70.0, 100.0), |ui| {
ui.label(None, "Window 2");
if ui.button(None, "Skin 1") {
window2_skin = skin1.clone();
}
if ui.button(None, "Skin 2") {
window2_skin = skin2.clone();
}
if ui.button(None, "No Skin") {
window2_skin = default_skin.clone();
}
});
root_ui().push_skin(&window1_skin);
root_ui().window(hash!(), vec2(20., 250.), vec2(300., 300.), |ui| {
widgets::Button::new("Play")
.position(vec2(65.0, 15.0))
.ui(ui);
widgets::Button::new("Options")
.position(vec2(40.0, 75.0))
.ui(ui);
widgets::Button::new("Quit")
.position(vec2(65.0, 195.0))
.ui(ui);
});
root_ui().pop_skin();
root_ui().push_skin(&window2_skin);
root_ui().window(hash!(), vec2(250., 20.), vec2(500., 250.), |ui| {
ui.checkbox(hash!(), "Checkbox 1", &mut checkbox);
ui.combo_box(
hash!(),
"Combobox",
&["First option", "Second option"],
&mut combobox,
);
ui.input_text(hash!(), "Text", &mut text);
ui.drag(hash!(), "Drag", None, &mut number);
widgets::Button::new("Apply")
.position(vec2(80.0, 150.0))
.ui(ui);
widgets::Button::new("Cancel")
.position(vec2(280.0, 150.0))
.ui(ui);
});
root_ui().pop_skin();
next_frame().await;
}
}
examples/shadertoy.rs (line 120)
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
async fn main() {
let ferris = load_texture("examples/rust.png").await.unwrap();
let (color_picker_texture, color_picker_image) = color_picker_texture(200, 200);
let mut fragment_shader = DEFAULT_FRAGMENT_SHADER.to_string();
let mut vertex_shader = DEFAULT_VERTEX_SHADER.to_string();
let pipeline_params = PipelineParams {
depth_write: true,
depth_test: Comparison::LessOrEqual,
..Default::default()
};
let mut material = load_material(
ShaderSource::Glsl {
vertex: &vertex_shader,
fragment: &fragment_shader,
},
MaterialParams {
pipeline_params,
..Default::default()
},
)
.unwrap();
let mut error: Option<String> = None;
enum Mesh {
Sphere,
Cube,
Plane,
}
let mut mesh = Mesh::Sphere;
let mut camera = Camera3D {
position: vec3(-15., 15., -5.),
up: vec3(0., 1., 0.),
target: vec3(0., 5., -5.),
..Default::default()
};
let mut colorpicker_window = false;
let mut color_picking_uniform = None;
let mut new_uniform_window = false;
let mut new_uniform_name = String::new();
let mut uniforms: Vec<(String, Uniform)> = vec![];
loop {
clear_background(WHITE);
set_camera(&camera);
draw_grid(
20,
1.,
Color::new(0.55, 0.55, 0.55, 0.75),
Color::new(0.75, 0.75, 0.75, 0.75),
);
gl_use_material(&material);
match mesh {
Mesh::Plane => draw_plane(vec3(0., 2., 0.), vec2(5., 5.), Some(&ferris), WHITE),
Mesh::Sphere => draw_sphere(vec3(0., 6., 0.), 5., Some(&ferris), WHITE),
Mesh::Cube => draw_cube(vec3(0., 5., 0.), vec3(10., 10., 10.), Some(&ferris), WHITE),
}
gl_use_default_material();
set_default_camera();
let mut need_update = false;
widgets::Window::new(hash!(), vec2(20., 20.), vec2(470., 650.))
.label("Shader")
.ui(&mut *root_ui(), |ui| {
ui.label(None, "Camera: ");
ui.same_line(0.0);
if ui.button(None, "Ortho") {
camera.projection = Projection::Orthographics;
}
ui.same_line(0.0);
if ui.button(None, "Perspective") {
camera.projection = Projection::Perspective;
}
ui.label(None, "Mesh: ");
ui.same_line(0.0);
if ui.button(None, "Sphere") {
mesh = Mesh::Sphere;
}
ui.same_line(0.0);
if ui.button(None, "Cube") {
mesh = Mesh::Cube;
}
ui.same_line(0.0);
if ui.button(None, "Plane") {
mesh = Mesh::Plane;
}
ui.label(None, "Uniforms:");
ui.separator();
for (i, (name, uniform)) in uniforms.iter_mut().enumerate() {
ui.label(None, &format!("{}", name));
ui.same_line(120.0);
match uniform {
Uniform::Float1(x) => {
widgets::InputText::new(hash!(hash!(), i))
.size(vec2(200.0, 19.0))
.filter_numbers()
.ui(ui, x);
if let Ok(x) = x.parse::<f32>() {
material.set_uniform(name, x);
}
}
Uniform::Float2(x, y) => {
widgets::InputText::new(hash!(hash!(), i))
.size(vec2(99.0, 19.0))
.filter_numbers()
.ui(ui, x);
ui.same_line(0.0);
widgets::InputText::new(hash!(hash!(), i))
.size(vec2(99.0, 19.0))
.filter_numbers()
.ui(ui, y);
if let (Ok(x), Ok(y)) = (x.parse::<f32>(), y.parse::<f32>()) {
material.set_uniform(name, (x, y));
}
}
Uniform::Float3(x, y, z) => {
widgets::InputText::new(hash!(hash!(), i))
.size(vec2(65.0, 19.0))
.filter_numbers()
.ui(ui, x);
ui.same_line(0.0);
widgets::InputText::new(hash!(hash!(), i))
.size(vec2(65.0, 19.0))
.filter_numbers()
.ui(ui, y);
ui.same_line(0.0);
widgets::InputText::new(hash!(hash!(), i))
.size(vec2(65.0, 19.0))
.filter_numbers()
.ui(ui, z);
if let (Ok(x), Ok(y), Ok(z)) =
(x.parse::<f32>(), y.parse::<f32>(), z.parse::<f32>())
{
material.set_uniform(name, (x, y, z));
}
}
Uniform::Color(color) => {
let mut canvas = ui.canvas();
let cursor = canvas.cursor();
canvas.rect(
Rect::new(cursor.x + 20.0, cursor.y, 50.0, 18.0),
Color::new(0.2, 0.2, 0.2, 1.0),
Color::new(color.x, color.y, color.z, 1.0),
);
if ui.button(None, "change") {
colorpicker_window = true;
color_picking_uniform = Some(name.to_owned());
}
material.set_uniform(name, (color.x, color.y, color.z));
}
}
}
ui.separator();
if ui.button(None, "New uniform") {
new_uniform_window = true;
}
TreeNode::new(hash!(), "Fragment shader")
.init_unfolded()
.ui(ui, |ui| {
if ui.editbox(hash!(), vec2(440., 200.), &mut fragment_shader) {
need_update = true;
};
});
ui.tree_node(hash!(), "Vertex shader", |ui| {
if ui.editbox(hash!(), vec2(440., 300.), &mut vertex_shader) {
need_update = true;
};
});
if let Some(ref error) = error {
Label::new(error).multiline(14.0).ui(ui);
}
});
if new_uniform_window {
widgets::Window::new(hash!(), vec2(100., 100.), vec2(200., 80.))
.label("New uniform")
.ui(&mut *root_ui(), |ui| {
if ui.active_window_focused() == false {
new_uniform_window = false;
}
ui.input_text(hash!(), "Name", &mut new_uniform_name);
let uniform_type = ui.combo_box(
hash!(),
"Type",
&["Float1", "Float2", "Float3", "Color"],
None,
);
if ui.button(None, "Add") {
if new_uniform_name.is_empty() == false {
let uniform = match uniform_type {
0 => Uniform::Float1("0".to_string()),
1 => Uniform::Float2("0".to_string(), "0".to_string()),
2 => Uniform::Float3(
"0".to_string(),
"0".to_string(),
"0".to_string(),
),
3 => Uniform::Color(vec3(0.0, 0.0, 0.0)),
_ => unreachable!(),
};
uniforms.push((new_uniform_name.clone(), uniform));
new_uniform_name.clear();
need_update = true;
}
new_uniform_window = false;
}
ui.same_line(0.0);
if ui.button(None, "Cancel") {
new_uniform_window = false;
}
});
}
if colorpicker_window {
colorpicker_window &= widgets::Window::new(hash!(), vec2(140., 100.), vec2(210., 240.))
.label("Colorpicker")
.ui(&mut *root_ui(), |ui| {
if ui.active_window_focused() == false {
colorpicker_window = false;
}
let mut canvas = ui.canvas();
let cursor = canvas.cursor();
let mouse = mouse_position();
let x = mouse.0 as i32 - cursor.x as i32;
let y = mouse.1 as i32 - (cursor.y as i32 + 20);
let color = color_picker_image
.get_pixel(x.max(0).min(199) as u32, y.max(0).min(199) as u32);
canvas.rect(
Rect::new(cursor.x, cursor.y, 200.0, 18.0),
Color::new(0.0, 0.0, 0.0, 1.0),
Color::new(color.r, color.g, color.b, 1.0),
);
canvas.image(
Rect::new(cursor.x, cursor.y + 20.0, 200.0, 200.0),
&color_picker_texture,
);
if x >= 0 && x < 200 && y >= 0 && y < 200 {
canvas.rect(
Rect::new(mouse.0 - 3.5, mouse.1 - 3.5, 7.0, 7.0),
Color::new(0.3, 0.3, 0.3, 1.0),
Color::new(1.0, 1.0, 1.0, 1.0),
);
if is_mouse_button_down(MouseButton::Left) {
colorpicker_window = false;
let uniform_name = color_picking_uniform.take().unwrap();
uniforms
.iter_mut()
.find(|(name, _)| name == &uniform_name)
.unwrap()
.1 = Uniform::Color(vec3(color.r, color.g, color.b));
}
}
});
}
if need_update {
let uniforms = uniforms
.iter()
.map(|(name, uniform)| (name.clone(), uniform.uniform_type()))
.collect::<Vec<_>>();
match load_material(
ShaderSource::Glsl {
vertex: &vertex_shader,
fragment: &fragment_shader,
},
MaterialParams {
pipeline_params,
uniforms,
textures: vec![],
},
) {
Ok(new_material) => {
material = new_material;
error = None;
}
Err(err) => {
error = Some(format!("{:#?}", err));
}
}
}
next_frame().await
}
}