2020-05-04 20:42:49 +00:00
|
|
|
use bevy::{
|
|
|
|
diagnostic::{FrameTimeDiagnosticsPlugin, PrintDiagnosticsPlugin},
|
|
|
|
prelude::*,
|
|
|
|
};
|
2020-01-28 09:53:28 +00:00
|
|
|
use rand::{rngs::StdRng, Rng, SeedableRng};
|
2020-01-19 21:24:01 +00:00
|
|
|
|
|
|
|
fn main() {
|
2020-03-20 23:35:19 +00:00
|
|
|
App::build()
|
2020-04-04 19:40:32 +00:00
|
|
|
.add_default_plugins()
|
2020-05-04 20:21:14 +00:00
|
|
|
.add_plugin(FrameTimeDiagnosticsPlugin::default())
|
2020-05-04 20:42:49 +00:00
|
|
|
.add_plugin(PrintDiagnosticsPlugin::default())
|
2020-05-14 00:31:56 +00:00
|
|
|
.add_startup_system(setup.system())
|
|
|
|
.add_system(move_cubes.system())
|
2020-02-08 07:17:51 +00:00
|
|
|
.run();
|
2020-01-27 09:40:53 +00:00
|
|
|
}
|
|
|
|
|
2020-05-14 00:31:56 +00:00
|
|
|
fn move_cubes(
|
2020-05-14 00:52:47 +00:00
|
|
|
time: Res<Time>,
|
|
|
|
mut materials: ResMut<Assets<StandardMaterial>>,
|
|
|
|
mut translation: ComMut<Translation>,
|
|
|
|
material_handle: Com<Handle<StandardMaterial>>,
|
2020-04-28 08:00:30 +00:00
|
|
|
) {
|
|
|
|
let material = materials.get_mut(&material_handle).unwrap();
|
|
|
|
translation.0 += math::vec3(1.0, 0.0, 0.0) * time.delta_seconds;
|
|
|
|
material.albedo += Color::rgb(-time.delta_seconds, -time.delta_seconds, time.delta_seconds);
|
2020-01-19 21:24:01 +00:00
|
|
|
}
|
|
|
|
|
2020-05-14 00:31:56 +00:00
|
|
|
fn setup(
|
|
|
|
command_buffer: &mut CommandBuffer,
|
2020-05-14 00:52:47 +00:00
|
|
|
mut meshes: ResMut<Assets<Mesh>>,
|
|
|
|
mut materials: ResMut<Assets<StandardMaterial>>,
|
2020-05-14 00:31:56 +00:00
|
|
|
) {
|
2020-05-16 07:21:04 +00:00
|
|
|
let cube_handle = meshes.add(Mesh::from(shape::Cube { size: 1.0 }));
|
2020-05-13 23:42:27 +00:00
|
|
|
let plane_handle = meshes.add(Mesh::from(shape::Plane { size: 10.0 }));
|
|
|
|
let cube_material_handle = materials.add(StandardMaterial {
|
2020-03-18 05:02:01 +00:00
|
|
|
albedo: Color::rgb(0.5, 0.4, 0.3),
|
|
|
|
..Default::default()
|
2020-03-16 07:45:28 +00:00
|
|
|
});
|
2020-05-13 23:42:27 +00:00
|
|
|
let plane_material_handle = materials.add(StandardMaterial {
|
2020-03-18 05:02:01 +00:00
|
|
|
albedo: Color::rgb(0.1, 0.2, 0.1),
|
|
|
|
..Default::default()
|
2020-03-16 07:45:28 +00:00
|
|
|
});
|
2020-01-19 21:24:01 +00:00
|
|
|
|
2020-05-14 00:31:56 +00:00
|
|
|
let mut builder = command_buffer.build();
|
2020-04-07 20:25:01 +00:00
|
|
|
builder
|
2020-01-19 21:24:01 +00:00
|
|
|
// plane
|
2020-03-09 09:02:17 +00:00
|
|
|
.add_entity(MeshEntity {
|
2020-02-24 07:50:44 +00:00
|
|
|
mesh: plane_handle,
|
2020-03-16 07:45:28 +00:00
|
|
|
material: plane_material_handle,
|
2020-02-11 17:31:49 +00:00
|
|
|
..Default::default()
|
2020-01-27 09:44:02 +00:00
|
|
|
})
|
2020-01-19 21:24:01 +00:00
|
|
|
// cube
|
2020-03-09 09:02:17 +00:00
|
|
|
.add_entity(MeshEntity {
|
2020-02-24 07:50:44 +00:00
|
|
|
mesh: cube_handle,
|
2020-03-16 07:45:28 +00:00
|
|
|
material: cube_material_handle,
|
2020-01-19 21:24:01 +00:00
|
|
|
translation: Translation::new(0.0, 0.0, 1.0),
|
2020-02-11 17:31:49 +00:00
|
|
|
..Default::default()
|
2020-01-19 21:24:01 +00:00
|
|
|
})
|
|
|
|
// light
|
2020-03-09 09:02:17 +00:00
|
|
|
.add_entity(LightEntity {
|
2020-02-05 17:59:36 +00:00
|
|
|
translation: Translation::new(4.0, -4.0, 5.0),
|
2020-02-18 03:06:12 +00:00
|
|
|
..Default::default()
|
2020-02-05 17:59:36 +00:00
|
|
|
})
|
2020-01-19 21:24:01 +00:00
|
|
|
// camera
|
2020-05-30 05:07:55 +00:00
|
|
|
.add_entity(PerspectiveCameraEntity {
|
2020-06-24 02:15:05 +00:00
|
|
|
transform: Transform::new_sync_disabled(Mat4::face_toward(
|
2020-01-19 21:24:01 +00:00
|
|
|
Vec3::new(3.0, 8.0, 5.0),
|
|
|
|
Vec3::new(0.0, 0.0, 0.0),
|
|
|
|
Vec3::new(0.0, 0.0, 1.0),
|
|
|
|
)),
|
2020-03-22 04:55:33 +00:00
|
|
|
..Default::default()
|
2020-01-28 09:53:28 +00:00
|
|
|
});
|
|
|
|
|
|
|
|
let mut rng = StdRng::from_entropy();
|
|
|
|
for _ in 0..10000 {
|
2020-05-13 23:42:27 +00:00
|
|
|
let spawned_material_handle = materials.add(StandardMaterial {
|
2020-03-16 07:45:28 +00:00
|
|
|
albedo: Color::rgb(
|
|
|
|
rng.gen_range(0.0, 1.0),
|
|
|
|
rng.gen_range(0.0, 1.0),
|
|
|
|
rng.gen_range(0.0, 1.0),
|
2020-03-18 05:02:01 +00:00
|
|
|
),
|
|
|
|
..Default::default()
|
2020-03-16 07:45:28 +00:00
|
|
|
});
|
2020-04-07 20:25:01 +00:00
|
|
|
builder.add_entity(MeshEntity {
|
2020-02-24 07:50:44 +00:00
|
|
|
mesh: cube_handle,
|
2020-03-16 07:45:28 +00:00
|
|
|
material: spawned_material_handle,
|
2020-02-08 07:17:51 +00:00
|
|
|
translation: Translation::new(
|
|
|
|
rng.gen_range(-50.0, 50.0),
|
|
|
|
rng.gen_range(-50.0, 50.0),
|
|
|
|
0.0,
|
|
|
|
),
|
2020-02-11 17:31:49 +00:00
|
|
|
..Default::default()
|
2020-04-07 20:25:01 +00:00
|
|
|
});
|
2020-01-28 09:53:28 +00:00
|
|
|
}
|
2020-01-19 21:24:01 +00:00
|
|
|
}
|