173 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			173 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| use bevy::{prelude::*, render::render_graph_2::StandardMaterial};
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| 
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| fn main() {
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|     AppBuilder::new().add_defaults().setup_world(setup).run();
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| }
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| 
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| fn setup(world: &mut World) {
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|     let cube = Mesh::load(MeshType::Cube);
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|     let cube_handle = {
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|         let mut mesh_storage = world.resources.get_mut::<AssetStorage<Mesh>>().unwrap();
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|         mesh_storage.add(cube)
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|     };
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| 
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|     world
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|         .build()
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|         // cube
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|         .add_archetype(NewMeshEntity {
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|             mesh: cube_handle.clone(),
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|             material: StandardMaterial {
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|                 albedo: math::vec4(0.5, 0.3, 0.3, 1.0),
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|                 everything_is_red: false,
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|             },
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|             translation: Translation::new(0.0, 0.0, 1.0),
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|             ..Default::default()
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|         })
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|         // light
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|         .add_archetype(LightEntity {
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|             light: Light {
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|                 color: wgpu::Color {
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|                     r: 0.8,
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|                     g: 0.8,
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|                     b: 0.5,
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|                     a: 1.0,
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|                 },
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|                 fov: f32::to_radians(60.0),
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|                 depth: 0.1..50.0,
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|                 target_view: None,
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|             },
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|             local_to_world: LocalToWorld::identity(),
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|             translation: Translation::new(4.0, -4.0, 5.0),
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|             rotation: Rotation::from_euler_angles(0.0, 0.0, 0.0),
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|         })
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|         // 3d camera
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|         .add_archetype(CameraEntity {
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|             camera: Camera::new(CameraType::Projection {
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|                 fov: std::f32::consts::PI / 4.0,
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|                 near: 1.0,
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|                 far: 1000.0,
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|                 aspect_ratio: 1.0,
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|             }),
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|             active_camera: ActiveCamera,
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|             local_to_world: LocalToWorld(Mat4::look_at_rh(
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|                 Vec3::new(3.0, 8.0, 5.0),
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|                 Vec3::new(0.0, 0.0, 0.0),
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|                 Vec3::new(0.0, 0.0, 1.0),
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|             )),
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|         })
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|         // 2d camera
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|         .add_archetype(Camera2dEntity {
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|             camera: Camera::new(CameraType::Orthographic {
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|                 left: 0.0,
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|                 right: 0.0,
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|                 bottom: 0.0,
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|                 top: 0.0,
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|                 near: 0.0,
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|                 far: 1.0,
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|             }),
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|             active_camera_2d: ActiveCamera2d,
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|         })
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|         .build();
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| 
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|     // bottom left anchor with vertical fill
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|     world.insert(
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|         (),
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|         vec![(Node::new(
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|             math::vec2(0.0, 0.0),
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|             Anchors::new(0.0, 0.0, 0.0, 1.0),
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|             Margins::new(10.0, 200.0, 10.0, 10.0),
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|             math::vec4(0.1, 0.1, 0.1, 1.0),
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|         ),)],
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|     );
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| 
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|     // top right anchor with vertical fill
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|     world.insert(
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|         (),
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|         vec![(Node::new(
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|             math::vec2(0.0, 0.0),
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|             Anchors::new(1.0, 1.0, 0.0, 1.0),
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|             Margins::new(10.0, 100.0, 50.0, 100.0),
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|             math::vec4(0.1, 0.1, 0.1, 1.0),
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|         ),)],
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|     );
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| 
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|     // render order test: reddest in the back, whitest in the front
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|     world.insert(
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|         (),
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|         vec![(Node::new(
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|             math::vec2(75.0, 75.0),
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|             Anchors::new(0.5, 0.5, 0.5, 0.5),
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|             Margins::new(0.0, 100.0, 0.0, 100.0),
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|             math::vec4(1.0, 0.1, 0.1, 1.0),
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|         ),)],
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|     );
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| 
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|     world.insert(
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|         (),
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|         vec![(Node::new(
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|             math::vec2(50.0, 50.0),
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|             Anchors::new(0.5, 0.5, 0.5, 0.5),
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|             Margins::new(0.0, 100.0, 0.0, 100.0),
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|             math::vec4(1.0, 0.3, 0.3, 1.0),
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|         ),)],
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|     );
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| 
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|     world.insert(
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|         (),
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|         vec![(Node::new(
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|             math::vec2(100.0, 100.0),
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|             Anchors::new(0.5, 0.5, 0.5, 0.5),
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|             Margins::new(0.0, 100.0, 0.0, 100.0),
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|             math::vec4(1.0, 0.5, 0.5, 1.0),
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|         ),)],
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|     );
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| 
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|     world.insert(
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|         (),
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|         vec![(Node::new(
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|             math::vec2(150.0, 150.0),
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|             Anchors::new(0.5, 0.5, 0.5, 0.5),
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|             Margins::new(0.0, 100.0, 0.0, 100.0),
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|             math::vec4(1.0, 0.7, 0.7, 1.0),
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|         ),)],
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|     );
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| 
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|     // parenting
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|     let parent = *world
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|         .insert(
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|             (),
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|             vec![(Node::new(
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|                 math::vec2(300.0, 300.0),
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|                 Anchors::new(0.0, 0.0, 0.0, 0.0),
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|                 Margins::new(0.0, 200.0, 0.0, 200.0),
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|                 math::vec4(0.1, 0.1, 1.0, 1.0),
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|             ),)],
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|         )
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|         .first()
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|         .unwrap();
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| 
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|     world.insert(
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|         (),
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|         vec![(
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|             Node::new(
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|                 math::vec2(0.0, 0.0),
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|                 Anchors::new(0.0, 1.0, 0.0, 1.0),
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|                 Margins::new(20.0, 20.0, 20.0, 20.0),
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|                 math::vec4(0.6, 0.6, 1.0, 1.0),
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|             ),
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|             Parent(parent),
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|         )],
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|     );
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| 
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|     // alpha test
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|     world.insert(
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|         (),
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|         vec![(Node::new(
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|             math::vec2(200.0, 200.0),
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|             Anchors::new(0.5, 0.5, 0.5, 0.5),
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|             Margins::new(0.0, 100.0, 0.0, 100.0),
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|             math::vec4(1.0, 0.9, 0.9, 0.4),
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|         ),)],
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|     );
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| }
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