diff options
Diffstat (limited to 'assets/final/shaders/main_shader.wgsl')
| -rw-r--r-- | assets/final/shaders/main_shader.wgsl | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/assets/final/shaders/main_shader.wgsl b/assets/final/shaders/main_shader.wgsl new file mode 100644 index 0000000..7011159 --- /dev/null +++ b/assets/final/shaders/main_shader.wgsl @@ -0,0 +1,29 @@ +struct Uniforms { + audio_peak: f32, + aspect_ratio: f32, + time: f32, +}; + +@group(0) @binding(0) var<uniform> uniforms: Uniforms; + +@vertex fn vs_main(@builtin(vertex_index) i: u32) -> @builtin(position) vec4<f32> { + let PI = 3.14159265; + let num_sides = 7.0; + let scale = 0.5 + 0.3 * uniforms.audio_peak; + let tri_idx = f32(i / 3u); + let sub_idx = i % 3u; + if (sub_idx == 0u) { + return vec4<f32>(0.0, 0.0, 0.0, 1.0); + } + let angle = (tri_idx + f32(sub_idx - 1u)) * 2.0 * PI / num_sides + uniforms.time * 0.5; + return vec4<f32>(scale * cos(angle) / uniforms.aspect_ratio, scale * sin(angle), 0.0, 1.0); +} + +@fragment fn fs_main() -> @location(0) vec4<f32> { + let h = uniforms.time * 2.0 + uniforms.audio_peak * 3.0; + let r = sin(h) * 0.5 + 0.5; + let g = sin(h + 2.0) * 0.9 + 0.3; + let b = sin(h + 4.0) * 0.5 + 0.5; + let boost = uniforms.audio_peak * 0.5; + return vec4<f32>(r + boost, g + boost, b + boost, 1.0); +} |
