src/effects/distort_effect.h


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// This file is part of the 64k demo project.
// It declares the DistortEffect.

#pragma once

#include "gpu/effect.h"
#include "gpu/uniform_helper.h"

// Parameters for DistortEffect
struct DistortParams {
  float strength = 0.01f; // Default distortion strength
  float speed = 1.0f;     // Default distortion speed
};
static_assert(sizeof(DistortParams) == 8,
              "DistortParams must be 8 bytes for WGSL alignment");

class DistortEffect : public PostProcessEffect {
 public:
  DistortEffect(const GpuContext& ctx);
  DistortEffect(const GpuContext& ctx, const DistortParams& params);
  void render(WGPURenderPassEncoder pass,
              const CommonPostProcessUniforms& uniforms) override;
  void update_bind_group(WGPUTextureView input_view) override;

 private:
  DistortParams params_;
  UniformBuffer<DistortParams> params_buffer_;
};