chasing_spirals.h

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#pragma once
 
// Chasing_Spirals visualizer classes — three precision/performance tiers.
// Included from animartrix_detail.h — do NOT include directly.
 
#include "fl/fx/2d/animartrix_detail/chasing_spiral_state.h"
#include "fl/fx/2d/animartrix_detail/viz/viz_base.h"
#include "fl/stl/noexcept.h"
 
namespace fl {
 
// Original floating-point implementation (~210 µs/frame on 32×32).
// No cached state — all computation is per-frame.
class Chasing_Spirals_Float : public IAnimartrix2Viz {
public:
    void draw(Context &ctx) FL_NO_EXCEPT override;
};
 
// Fixed-point Q31 scalar implementation (~78 µs/frame, 2.7× speedup).
// Owns the SoA geometry cache; rebuilt only when grid dimensions change.
class Chasing_Spirals_Q31 : public IAnimartrix2Viz {
public:
    void draw(Context &ctx) FL_NO_EXCEPT override;
private:
    ChasingSpiralState mState;
};
 
// Fixed-point Q31 SIMD implementation (4-wide SSE2 vectorisation).
// Owns the SoA geometry cache; rebuilt only when grid dimensions change.
class Chasing_Spirals_Q31_SIMD : public IAnimartrix2Viz {
public:
    void draw(Context &ctx) FL_NO_EXCEPT override;
private:
    ChasingSpiralState mState;
};
 
} // namespace fl