50 lines
1.7 KiB
Rust
50 lines
1.7 KiB
Rust
use bevy::prelude::*;
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fn main() {
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App::build()
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.add_default_plugins()
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.add_startup_system(startup_system())
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.run();
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}
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/// Set up a simple scene using a "startup system".
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/// Startup systems are run exactly once when the app starts up.
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/// They run right before "normal" systems run.
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pub fn startup_system() -> Box<dyn Schedulable> {
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SystemBuilder::new("startup")
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.write_resource::<AssetStorage<Mesh>>()
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.write_resource::<AssetStorage<StandardMaterial>>()
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.build(move |command_buffer, _, (meshes, materials), _| {
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let cube_handle = meshes.add(Mesh::load(MeshType::Cube));
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let cube_material_handle = materials.add(StandardMaterial {
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albedo: Color::rgb(0.5, 0.4, 0.3),
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..Default::default()
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});
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command_buffer
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.build()
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// cube
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.add_entity(MeshEntity {
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mesh: cube_handle,
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material: cube_material_handle,
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translation: Translation::new(0.0, 0.0, 0.0),
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..Default::default()
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})
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// light
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.add_entity(LightEntity {
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translation: Translation::new(4.0, -4.0, 5.0),
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..Default::default()
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})
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// camera
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.add_entity(CameraEntity {
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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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..Default::default()
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})
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.build();
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})
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}
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