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use bevy::prelude::*;
use inlet::{
InputBindingsSimple, InputManagementPluginSimple,
axis::{AxisBinding, AxisModifier},
button::{ButtonChord, ButtonCombo},
};
fn main() {
App::new()
.add_plugins(DefaultPlugins)
// Add the plugin, if you are not using [`Message`] types use [`SimpleInputManagementPlugin`]
// instead because it only need the InputType.
.add_plugins(InputManagementPluginSimple::<InputTypes>::default())
.add_systems(Startup, setup)
.add_systems(Update, (gravity, control_player))
.run();
}
/// All of the different controls that exist. These are the keys to bindings.
#[derive(Hash, PartialEq, Eq)]
enum InputTypes {
Move,
Zoom,
Jump,
SecretAbility1,
SecretAbility2,
}
/// set up a simple 3D scene
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
// circular base
commands.spawn((
Mesh3d(meshes.add(Circle::new(20.0))),
MeshMaterial3d(materials.add(Color::WHITE)),
Transform::from_rotation(Quat::from_rotation_x(-std::f32::consts::FRAC_PI_2)),
));
// cube
commands.spawn((
// Provide bindings to a entity.
//
// If you are using [`SimpleInputManagementPlugin`] because you don't using messages
// use [`SimpleInputBindings`] here instead.
InputBindingsSimple::<InputTypes>::new()
// register a jump binding that triggers when either the space key or south on a gamepad is pressed.
.with_action_binding(
InputTypes::Jump,
vec![KeyCode::Space.into(), GamepadButton::South.into()].into(),
)
// TODO added gamepad triggers as option for zoom.
// register a zoom binding that reads values from the scroll wheel.
.with_value_binding(
InputTypes::Zoom,
AxisBinding::mouse_y_scroll().invert().into(),
)
// register a move binding that gets the average non-zero value from the wasd on keyboard, the gamepads left stick and dpad.
.with_dual_value_binding(
InputTypes::Move,
(
vec![
AxisBinding::keyboard_da(),
AxisBinding::gamepad_left_stick_x(),
AxisBinding::gamepad_dpad_right_left(),
],
vec![
AxisBinding::keyboard_ws(),
AxisBinding::gamepad_left_stick_y(),
AxisBinding::gamepad_dpad_up_down(),
],
)
.into(),
)
// register a cheat code binding activated by pressing forward ->
.with_action_binding(
InputTypes::SecretAbility1,
vec![
// W -> S -> D -> A
ButtonCombo::new_default_rules(vec![
KeyCode::KeyW.into(),
KeyCode::KeyS.into(),
KeyCode::KeyD.into(),
KeyCode::KeyA.into(),
])
.into(),
// Up -> Down -> Right -> Left on dpad
ButtonCombo::new_default_rules(vec![
GamepadButton::DPadUp.into(),
GamepadButton::DPadDown.into(),
GamepadButton::DPadRight.into(),
GamepadButton::DPadLeft.into(),
])
.into(),
// Up -> Down -> Right -> Left on joystick
ButtonCombo::new_default_rules(vec![
AxisBinding::gamepad_left_stick_y()
.with_modifier(AxisModifier::POSITIVE_ONLY)
.into(),
AxisBinding::gamepad_left_stick_y()
.with_modifier(AxisModifier::NEGATIVE_ONLY)
.into(),
AxisBinding::gamepad_left_stick_x()
.with_modifier(AxisModifier::POSITIVE_ONLY)
.into(),
AxisBinding::gamepad_left_stick_x()
.with_modifier(AxisModifier::NEGATIVE_ONLY)
.into(),
])
.into(),
]
.into(),
)
.with_action_binding(
InputTypes::SecretAbility2,
vec![
ButtonChord::new(vec![
KeyCode::KeyW.into(),
KeyCode::KeyS.into(),
KeyCode::KeyA.into(),
KeyCode::KeyD.into(),
])
.into(),
ButtonChord::new(vec![
GamepadButton::DPadUp.into(),
GamepadButton::DPadDown.into(),
GamepadButton::DPadLeft.into(),
GamepadButton::DPadRight.into(),
])
.into(),
]
.into(),
),
Mesh3d(meshes.add(Cuboid::new(1.0, 1.0, 1.0))),
MeshMaterial3d(materials.add(Color::srgb_u8(124, 144, 255))),
Transform::from_xyz(0.0, 0.5, 0.0),
));
// light
commands.spawn((
PointLight {
shadows_enabled: true,
..default()
},
Transform::from_xyz(4.0, 8.0, 4.0),
));
// camera
commands.spawn((
Camera3d::default(),
Transform::from_xyz(-10., 18., -36.0).looking_at(Vec3::ZERO, Vec3::Y),
));
}
fn control_player(
time: Res<Time>,
mut player: Single<(&mut Transform, &InputBindingsSimple<InputTypes>)>,
mut camera: Single<&mut Transform, (With<Camera3d>, Without<InputBindingsSimple<InputTypes>>)>,
) {
let delta_time = time.delta_secs();
let mover = player.1.get_dual_value(&InputTypes::Move);
let y_scale = player.0.scale.y * 0.5;
let mover = Vec3::new(
// we are inverting x to make the movement in the demo feel more intuitive.
// mostly because we are directly applying the input values to the translation
// instead of doing math to make it move the way you might expect.
-mover.x,
if player.1.get_action_state(&InputTypes::Jump).just_pressed() {
10.0 * y_scale
} else {
0.0
},
mover.y,
);
player.0.translation += mover * delta_time;
let zoom = 1.0 + (player.1.get_value(&InputTypes::Zoom) * delta_time);
camera.translation *= zoom;
if player.1.just_pressed(&InputTypes::SecretAbility1) {
player.0.scale += 1.
}
if player.1.just_pressed(&InputTypes::SecretAbility2) {
player.0.scale -= 1.
}
}
fn gravity(
time: Res<Time>,
mut player: Single<&mut Transform, With<InputBindingsSimple<InputTypes>>>,
) {
let delta_time = time.delta_secs();
let ground_y = player.scale.y * 0.5;
let new = player.translation.y - (18. * delta_time * delta_time);
if new <= ground_y {
player.translation.y = ground_y;
} else {
player.translation.y = new;
}
}