XY()

uint16_t XY	(	uint8_t	x,
		uint8_t	y )

Definition at line 285 of file NoisePlusPalette.ino.

{
  uint16_t i;
  if( kMatrixSerpentineLayout == false) {
    i = (y * kMatrixWidth) + x;
  }
  if( kMatrixSerpentineLayout == true) {
    if( y & 0x01) {
      // Odd rows run backwards
      uint8_t reverseX = (kMatrixWidth - 1) - x;
      i = (y * kMatrixWidth) + reverseX;
    } else {
      // Even rows run forwards
      i = (y * kMatrixWidth) + x;
    }
  }
  return i;
}

References kMatrixSerpentineLayout, kMatrixWidth, x, and y.

Referenced by mapNoiseToLEDsUsingPalette().

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