process_water()

void process_water	(	uint8_t *	src,
		uint8_t *	dst )

Definition at line 111 of file FxWater.ino.

                                                 {
  src += WATERWIDTH - 1;
  dst += WATERWIDTH - 1;
  for (uint8_t y = 1; y < WATERHEIGHT - 1; y++) {
    src += 2; dst += 2;
    for (uint8_t x = 1; x < WATERWIDTH - 1; x++) {
      uint16_t t = src[-1] + src[1] + src[-WATERWIDTH] + src[WATERWIDTH];
      t >>= 1;
      if (dst[0] < t)
        dst[0] = t - dst[0];
      else
        dst[0] = 0;
 
      dst[0] -= dst[0] >> 6;
      src++; dst++;
    }
  }
}

References WATERHEIGHT, WATERWIDTH, x, and y.

Referenced by loop().

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