SpiralStream()

void SpiralStream	(	int	x,
		int	y,
		int	r,
		byte	dim )

Definition at line 436 of file funky.cpp.

                                                 {
    for (int d = r; d >= 0; d--) { // from the outside to the inside
        for (int i = x - d; i <= x + d; i++) {
            leds[XY(i, y - d)] +=
                leds[XY(i + 1, y - d)]; // lowest row to the right
            leds[XY(i, y - d)].nscale8(dim);
        }
        for (int i = y - d; i <= y + d; i++) {
            leds[XY(x + d, i)] += leds[XY(x + d, i + 1)]; // right colum up
            leds[XY(x + d, i)].nscale8(dim);
        }
        for (int i = x + d; i >= x - d; i--) {
            leds[XY(i, y + d)] +=
                leds[XY(i - 1, y + d)]; // upper row to the left
            leds[XY(i, y + d)].nscale8(dim);
        }
        for (int i = y + d; i >= y - d; i--) {
            leds[XY(x - d, i)] += leds[XY(x - d, i - 1)]; // left colum down
            leds[XY(x - d, i)].nscale8(dim);
        }
    }
}

References leds, x, XY(), and y.

Referenced by AudioSpiral(), MSGEQtest2(), MSGEQtest5(), SlowMandala(), SlowMandala2(), and SlowMandala3().

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