04590de678
I worked really hard to make ColorSource work, but sadly we need color to be instanceable and making it optional would add too much complexity. Maybe at some point in the future we can add it back. On the plus side, albedo color now modulates the albedo texture
79 lines
2.5 KiB
Rust
79 lines
2.5 KiB
Rust
use bevy::prelude::*;
|
|
|
|
struct Rotator;
|
|
|
|
fn main() {
|
|
AppBuilder::new()
|
|
.add_defaults()
|
|
.setup_world(setup)
|
|
.add_system(build_rotator_system())
|
|
.run();
|
|
}
|
|
|
|
// rotates the parent, which will result in the child also rotating
|
|
fn build_rotator_system() -> Box<dyn Schedulable> {
|
|
SystemBuilder::new("Rotator")
|
|
.read_resource::<Time>()
|
|
.with_query(<(Write<Rotator>, Write<Rotation>)>::query())
|
|
.build(move |_, world, time, rotator_query| {
|
|
for (_rotator, mut rotation) in rotator_query.iter_mut(world) {
|
|
rotation.0 = rotation.0 * Quat::from_rotation_x(3.0 * time.delta_seconds);
|
|
}
|
|
})
|
|
}
|
|
|
|
fn setup(world: &mut World, resources: &mut Resources) {
|
|
let mut mesh_storage = resources.get_mut::<AssetStorage<Mesh>>().unwrap();
|
|
let mut material_storage = resources
|
|
.get_mut::<AssetStorage<StandardMaterial>>()
|
|
.unwrap();
|
|
|
|
let cube_handle = mesh_storage.add(Mesh::load(MeshType::Cube));
|
|
let cube_material_handle = material_storage.add(StandardMaterial {
|
|
albedo: Color::rgb(0.5, 0.4, 0.3),
|
|
..Default::default()
|
|
});
|
|
|
|
world
|
|
.build()
|
|
// parent cube
|
|
.add_entity(MeshEntity {
|
|
mesh: cube_handle,
|
|
material: cube_material_handle,
|
|
translation: Translation::new(0.0, 0.0, 1.0),
|
|
..Default::default()
|
|
})
|
|
.add(Rotator)
|
|
.add_children(|builder| {
|
|
// cube
|
|
builder.add_entity(MeshEntity {
|
|
mesh: cube_handle,
|
|
material: cube_material_handle,
|
|
translation: Translation::new(0.0, 0.0, 3.0),
|
|
..Default::default()
|
|
})
|
|
})
|
|
// light
|
|
.add_entity(LightEntity {
|
|
translation: Translation::new(4.0, -4.0, 5.0),
|
|
rotation: Rotation::from_euler_angles(0.0, 0.0, 0.0),
|
|
..Default::default()
|
|
})
|
|
// camera
|
|
.add_entity(CameraEntity {
|
|
camera: Camera::new(CameraType::Projection {
|
|
fov: std::f32::consts::PI / 4.0,
|
|
near: 1.0,
|
|
far: 1000.0,
|
|
aspect_ratio: 1.0,
|
|
}),
|
|
active_camera: ActiveCamera,
|
|
local_to_world: LocalToWorld(Mat4::look_at_rh(
|
|
Vec3::new(5.0, 10.0, 10.0),
|
|
Vec3::new(0.0, 0.0, 0.0),
|
|
Vec3::new(0.0, 0.0, 1.0),
|
|
)),
|
|
})
|
|
.build();
|
|
}
|