43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
//! A shader that uses dynamic data like the time since startup.
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//! The time data is in the globals binding which is part of the `mesh_view_bindings` shader import.
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use bevy::{prelude::*, reflect::TypeUuid, render::render_resource::*};
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fn main() {
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App::new()
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.add_plugins(DefaultPlugins)
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.add_plugin(MaterialPlugin::<CustomMaterial>::default())
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.add_systems(Startup, setup)
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.run();
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}
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fn setup(
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mut commands: Commands,
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<CustomMaterial>>,
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) {
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// cube
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commands.spawn(MaterialMeshBundle {
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mesh: meshes.add(Mesh::from(shape::Cube { size: 1.0 })),
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transform: Transform::from_xyz(0.0, 0.5, 0.0),
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material: materials.add(CustomMaterial {}),
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..default()
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});
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// camera
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commands.spawn(Camera3dBundle {
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transform: Transform::from_xyz(-2.0, 2.5, 5.0).looking_at(Vec3::ZERO, Vec3::Y),
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..default()
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});
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}
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#[derive(AsBindGroup, TypeUuid, Debug, Clone)]
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#[uuid = "a3d71c04-d054-4946-80f8-ba6cfbc90cad"]
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struct CustomMaterial {}
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impl Material for CustomMaterial {
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fn fragment_shader() -> ShaderRef {
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"shaders/animate_shader.wgsl".into()
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}
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}
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