public void circleMidpoint(int xCenter, int yCenter, int radius, int y, int blockType, Player player)
	  {
	    int x = 0;
	    int z = radius;
	    int p = (5 - radius * 4) / 4;
	    if (z == 2)
	      p--;
	    for (int i = z; i >= 0; i--)
	      placePoints(xCenter, yCenter, x, i, y, blockType, player);
	    int i;
	    for (; x < z; >= 0) {
	      x++;
	      if (p < 0) {
	        p += 2 * x + 1;
	      } else {
	        z--;
	        p += 2 * (x - z) + 1;
	      }
	      i = z; continue;
	      placePoints(xCenter, yCenter, x, i, y, blockType, player);

	      i--;
	    }
	  }