114 lines
3.0 KiB
Rust
114 lines
3.0 KiB
Rust
use bevy::prelude::*;
|
|
|
|
struct Rotator;
|
|
|
|
fn main() {
|
|
AppBuilder::new()
|
|
.add_defaults_legacy()
|
|
.setup_world(setup)
|
|
.add_system(build_rotator_system())
|
|
.run();
|
|
}
|
|
|
|
fn build_rotator_system() -> Box<dyn Schedulable> {
|
|
SystemBuilder::new("Rotator")
|
|
.read_resource::<Time>()
|
|
.with_query(<(Write<Rotator>, Write<Rotation>)>::query())
|
|
.build(move |_, world, time, light_query| {
|
|
for (_, mut rotation) in light_query.iter_mut(world) {
|
|
rotation.0 = rotation.0 * Quat::from_rotation_x(3.0 * time.delta_seconds);
|
|
}
|
|
})
|
|
}
|
|
|
|
fn setup(world: &mut World) {
|
|
let cube = Mesh::load(MeshType::Cube);
|
|
let plane = Mesh::load(MeshType::Plane { size: 10.0 });
|
|
|
|
let (cube_handle, plane_handle) = {
|
|
let mut mesh_storage = world.resources.get_mut::<AssetStorage<Mesh>>().unwrap();
|
|
(mesh_storage.add(cube), mesh_storage.add(plane))
|
|
};
|
|
|
|
// plane
|
|
world.insert(
|
|
(),
|
|
vec![(
|
|
plane_handle.clone(),
|
|
Material::new(Albedo::Color(math::vec4(0.1, 0.2, 0.1, 1.0))),
|
|
LocalToWorld::identity(),
|
|
Translation::new(0.0, 0.0, -5.0),
|
|
)],
|
|
);
|
|
|
|
// cube
|
|
let parent_cube = *world
|
|
.insert(
|
|
(),
|
|
vec![(
|
|
cube_handle.clone(),
|
|
Material::new(Albedo::Color(math::vec4(0.5, 0.3, 0.3, 1.0))),
|
|
LocalToWorld::identity(),
|
|
Translation::new(0.0, 0.0, 1.0),
|
|
Rotation::from_euler_angles(0.0, 0.0, 0.0),
|
|
Rotator,
|
|
)],
|
|
)
|
|
.first()
|
|
.unwrap();
|
|
|
|
// cube
|
|
world.insert(
|
|
(),
|
|
vec![(
|
|
cube_handle,
|
|
Material::new(Albedo::Color(math::vec4(0.5, 0.3, 0.3, 1.0))),
|
|
LocalToWorld::identity(),
|
|
Translation::new(0.0, 0.0, 3.0),
|
|
Parent(parent_cube),
|
|
LocalToParent::identity(),
|
|
)],
|
|
);
|
|
|
|
// light
|
|
world.insert(
|
|
(),
|
|
vec![(
|
|
Light {
|
|
color: wgpu::Color {
|
|
r: 0.8,
|
|
g: 0.8,
|
|
b: 0.5,
|
|
a: 1.0,
|
|
},
|
|
fov: f32::to_radians(60.0),
|
|
depth: 0.1..50.0,
|
|
target_view: None,
|
|
},
|
|
Material::new(Albedo::Color(math::vec4(0.5, 0.3, 0.3, 1.0))),
|
|
LocalToWorld::identity(),
|
|
Translation::new(4.0, -4.0, 5.0),
|
|
Rotation::from_euler_angles(0.0, 0.0, 0.0),
|
|
)],
|
|
);
|
|
|
|
// camera
|
|
world.insert(
|
|
(),
|
|
vec![(
|
|
Camera::new(CameraType::Projection {
|
|
fov: std::f32::consts::PI / 4.0,
|
|
near: 1.0,
|
|
far: 1000.0,
|
|
aspect_ratio: 1.0,
|
|
}),
|
|
ActiveCamera,
|
|
LocalToWorld(Mat4::look_at_rh(
|
|
Vec3::new(3.0, -15.0, 8.0),
|
|
Vec3::new(0.0, 0.0, 0.0),
|
|
Vec3::new(0.0, 0.0, 1.0),
|
|
)),
|
|
)],
|
|
);
|
|
}
|