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Merge pull request #613 from Vrixyz/picking_backend
Picking backend for bevy 0.15
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| //! A simple scene to demonstrate picking events for rapier [`Collider`] entities. | ||
| use bevy::prelude::*; | ||
| use bevy_rapier3d::prelude::*; | ||
|
|
||
| fn main() { | ||
| App::new() | ||
| .add_plugins(( | ||
| DefaultPlugins, | ||
| RapierPhysicsPlugin::<NoUserData>::default(), | ||
| RapierDebugRenderPlugin::default(), | ||
| RapierPickingPlugin::default(), | ||
| )) | ||
| .insert_resource(RapierPickingSettings { | ||
| // Optional: only needed when you want fine-grained control | ||
| // over which cameras and entities should be used with the rapier picking backend. | ||
| // This is disabled by default, and no marker components are required on cameras or colliders. | ||
| // This resource is inserted by default, | ||
| // you only need to add it if you want to override the default settings. | ||
| require_markers: true, | ||
| ..Default::default() | ||
| }) | ||
| .add_systems(Startup, (setup_graphics, setup_physics)) | ||
| .run(); | ||
| } | ||
|
|
||
| pub fn setup_graphics(mut commands: Commands) { | ||
| // Camera | ||
| commands.spawn(( | ||
| Camera3d::default(), | ||
| Transform::from_xyz(-2.5, 4.5, 9.0).looking_at(Vec3::ZERO, Vec3::Y), | ||
| RapierPickable, | ||
| )); | ||
| } | ||
|
|
||
| pub fn setup_physics(mut commands: Commands) { | ||
| commands | ||
| .spawn(( | ||
| Text::new("Click Me to get a box\nDrag cubes to rotate"), | ||
| Node { | ||
| position_type: PositionType::Absolute, | ||
| top: Val::Percent(12.0), | ||
| left: Val::Percent(12.0), | ||
| ..default() | ||
| }, | ||
| )) | ||
| .observe(on_click_spawn_cube) | ||
| .observe( | ||
| |out: Trigger<Pointer<Out>>, mut texts: Query<&mut TextColor>| { | ||
| let mut text_color = texts.get_mut(out.entity()).unwrap(); | ||
| text_color.0 = Color::WHITE; | ||
| }, | ||
| ) | ||
| .observe( | ||
| |over: Trigger<Pointer<Over>>, mut texts: Query<&mut TextColor>| { | ||
| let mut color = texts.get_mut(over.entity()).unwrap(); | ||
| color.0 = bevy::color::palettes::tailwind::CYAN_400.into(); | ||
| }, | ||
| ); | ||
| // Base | ||
| let ground_size = 3.1; | ||
| let ground_height = 0.1; | ||
| commands.spawn(( | ||
| Transform::from_xyz(0.0, -ground_height / 2.0, 0.0), | ||
| Collider::cuboid(ground_size, ground_height, ground_size), | ||
| ColliderDebugColor(Hsla::BLACK), | ||
| )); | ||
| } | ||
|
|
||
| fn on_click_spawn_cube( | ||
| _click: Trigger<Pointer<Click>>, | ||
| mut commands: Commands, | ||
| mut num: Local<usize>, | ||
| ) { | ||
| let rad = 0.25; | ||
| let colors = [ | ||
| Hsla::hsl(220.0, 1.0, 0.3), | ||
| Hsla::hsl(180.0, 1.0, 0.3), | ||
| Hsla::hsl(260.0, 1.0, 0.7), | ||
| ]; | ||
| commands | ||
| .spawn(( | ||
| Transform::from_xyz(0.0, 0.25 + 0.55 * *num as f32, 0.0), | ||
| Visibility::default(), | ||
| RigidBody::Dynamic, | ||
| Collider::cuboid(rad, rad, rad), | ||
| ColliderDebugColor(colors[*num % 3]), | ||
| RapierPickable, | ||
| )) | ||
| // With the RapierPickingPlugin added, you can add pointer event observers to colliders: | ||
| .observe(on_drag_rotate); | ||
| *num += 1; | ||
| } | ||
|
|
||
| fn on_drag_rotate(drag: Trigger<Pointer<Drag>>, mut transforms: Query<&mut Transform>) { | ||
| if let Ok(mut transform) = transforms.get_mut(drag.entity()) { | ||
| transform.rotate_y(drag.delta.x * 0.02); | ||
| transform.rotate_x(drag.delta.y * 0.02); | ||
| } | ||
| } |
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