Method draw

examples/XYPath/src/wave.h:24–29

struct DrawRasterToWaveSimulator {
    DrawRasterToWaveSimulator(WaveEffect* wave_fx) : mWaveFx(wave_fx) {}
    void draw(const fl::vec2<int> &pt, uint32_t /*index*/, uint8_t value) {
        float valuef = value / 255.0f;
        int xx = pt.x;
        int yy = pt.y;
        mWaveFx->addf(xx, yy, valuef);
    }
    WaveEffect* mWaveFx;
};