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Improve mesh debug colors

This commit is contained in:
mars 2022-06-30 09:53:02 -06:00
parent 30024a7e79
commit 398064aef0
1 changed files with 9 additions and 1 deletions
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10
shaders/mesh_forward.wgsl
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@ -11,11 +11,16 @@ struct VertexInput {
struct VertexOutput {
[[builtin(position)]] clip_position: vec4<f32>;
[[location(0)]] position: vec3<f32>;
[[location(1)]] color: vec3<f32>;
};
[[group(0), binding(0)]]
var<uniform> camera: CameraUniform;
fn random(seed: u32, salt: f32) -> f32 {
return abs(sin((f32(seed & u32(0x11111)) * 0.7071 + salt) * 78.233));
}
[[stage(vertex)]]
fn vs_main(
[[builtin(instance_index)]] mesh_idx: u32,
@ -27,6 +32,9 @@ fn vs_main(
var out: VertexOutput;
out.clip_position = camera.vp * vec4<f32>(world_pos, 1.0);
out.position = world_pos;
out.color.r = random(vertex_idx, f32(1.0) + world_pos.x);
out.color.g = random(vertex_idx, f32(2.0) + world_pos.y);
out.color.b = random(vertex_idx, f32(3.0) + world_pos.z);
return out;
}
@ -34,5 +42,5 @@ fn vs_main(
fn fs_main(
frag: VertexOutput,
) -> [[location(0)]] vec4<f32> {
return vec4<f32>(sin(frag.position) * vec3<f32>(0.5) + vec3<f32>(0.5), 1.0);
return vec4<f32>(frag.color, 1.0);
}