add debugging code to flash_effect

1 files changed, 6 insertions, 4 deletions

diff --git a/src/gpu/effects/flash_effect.cc b/src/gpu/effects/flash_effect.cc
index 217a7bb..5aebe2d 100644
--- a/src/gpu/effects/flash_effect.cc
+++ b/src/gpu/effects/flash_effect.cc
@@ -15,7 +15,7 @@ FlashEffect::FlashEffect(const GpuContext& ctx)
 
     struct Uniforms {
       flash_intensity: f32,
-      _pad0: f32,
+      intensity: f32,
       _pad1: f32,
       _pad2: f32,
     };
@@ -42,7 +42,9 @@ FlashEffect::FlashEffect(const GpuContext& ctx)
       let color = textureSample(inputTexture, inputSampler, input.uv);
       // Add white flash: blend towards white based on flash intensity
       let white = vec3<f32>(1.0, 1.0, 1.0);
-      let flashed = mix(color.rgb, white, uniforms.flash_intensity);
+      let green = vec3<f32>(0.0, 1.0, 0.0);
+      var flashed = mix(color.rgb, green, uniforms.intensity);
+      if (input.uv.y > .5) { flashed = mix(color.rgb, white, uniforms.flash_intensity); }
       return vec4<f32>(flashed, color.a);
     }
   )";
@@ -68,9 +70,9 @@ void FlashEffect::render(WGPURenderPassEncoder pass, float time, float beat,
   }
 
   // Exponential decay
-  flash_intensity_ *= 0.85f;
+  flash_intensity_ *= 0.98f;
 
-  float uniforms[4] = {flash_intensity_, 0.0f, 0.0f, 0.0f};
+  float uniforms[4] = {flash_intensity_, intensity, 0.0f, 0.0f};
   wgpuQueueWriteBuffer(ctx_.queue, uniforms_.buffer, 0, uniforms, sizeof(uniforms));
 
   wgpuRenderPassEncoderSetPipeline(pass, pipeline_);