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-rw-r--r--assets/final/shaders/chroma_aberration.wgsl30
1 files changed, 30 insertions, 0 deletions
diff --git a/assets/final/shaders/chroma_aberration.wgsl b/assets/final/shaders/chroma_aberration.wgsl
new file mode 100644
index 0000000..cd80afa
--- /dev/null
+++ b/assets/final/shaders/chroma_aberration.wgsl
@@ -0,0 +1,30 @@
+@group(0) @binding(0) var smplr: sampler;
+@group(0) @binding(1) var txt: texture_2d<f32>;
+
+struct Uniforms {
+ time: f32,
+ beat: f32,
+ intensity: f32,
+ aspect_ratio: f32,
+ resolution: vec2<f32>,
+};
+
+@group(0) @binding(2) var<uniform> uniforms: Uniforms;
+
+@vertex fn vs_main(@builtin(vertex_index) i: u32) -> @builtin(position) vec4<f32> {
+ var pos = array<vec2<f32>, 3>(
+ vec2<f32>(-1, -1),
+ vec2<f32>(3, -1),
+ vec2<f32>(-1, 3)
+ );
+ return vec4<f32>(pos[i], 0.0, 1.0);
+}
+
+@fragment fn fs_main(@builtin(position) p: vec4<f32>) -> @location(0) vec4<f32> {
+ let uv = p.xy / uniforms.resolution;
+ let off = 0.02 * uniforms.intensity;
+ let r = textureSample(txt, smplr, uv + vec2<f32>(off, 0.0)).r;
+ let g = textureSample(txt, smplr, uv).g;
+ let b = textureSample(txt, smplr, uv - vec2<f32>(off, 0.0)).b;
+ return vec4<f32>(r, g, b, 1.0);
+}