1 files changed, 18 insertions, 0 deletions
diff --git a/src/gpu/effects/flash_effect.h b/src/gpu/effects/flash_effect.h
new file mode 100644
index 0000000..9aa2c67
--- /dev/null
+++ b/src/gpu/effects/flash_effect.h
@@ -0,0 +1,18 @@
+// This file is part of the 64k demo project.
+// It declares the FlashEffect - brief white flash on beat hits.
+
+#pragma once
+
+#include "gpu/effect.h"
+#include "gpu/gpu.h"
+
+class FlashEffect : public PostProcessEffect {
+ public:
+  FlashEffect(WGPUDevice device, WGPUQueue queue, WGPUTextureFormat format);
+  void render(WGPURenderPassEncoder pass, float time, float beat,
+              float intensity, float aspect_ratio) override;
+  void update_bind_group(WGPUTextureView input_view) override;
+
+ private:
+  float flash_intensity_ = 0.0f;
+};