geti16Previous()

i16 fl::WaveSimulation2D_Real::geti16Previous	(	fl::size	x,
		fl::size	y ) const

Definition at line 199 of file wave_simulation_real.cpp.

                                                                  {
    if (x >= width || y >= height) {
        FASTLED_WARN("Out of range: " << x << ", " << y);
        return 0;
    }
    const i16 *prev = (whichGrid == 0 ? grid2.data() : grid1.data());
    return prev[(y + 1) * stride + (x + 1)];
}

References FASTLED_WARN, grid1, grid2, height, stride, whichGrid, width, x, and y.