xy()

unsigned int xy	(	unsigned int	x,
		unsigned int	y )

Examples

PJRCSpectrumAnalyzer.ino.

Definition at line 79 of file PJRCSpectrumAnalyzer.ino.

                                                {
  if ((y & 1) == 0) {
    // even numbered rows (0, 2, 4...) are left to right
    return y * matrix_width + x;
  } else {
    // odd numbered rows (1, 3, 5...) are right to left
    return y * matrix_width + matrix_width - 1 - x;
  }
}

References matrix_width, x, and y.

Referenced by blur2d(), anonymous_namespace{LedRopeTCL.cpp}::init_screenmap(), loop(), makeScreenMap(), fl::ScreenMap::toJson(), and wu_water().

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