Raycast.java

		Vector3i end = new Vector3i((int) floor(rayPos.x), (int) floor(rayPos.y), (int) floor(rayPos.z));
		float dToPX = (float) (end.x-floor(end.x));
		float dToPY = (float) (end.y-floor(end.y));
		float dToPZ = (float) (end.z-floor(end.z));

		float dToNX = abs(1-dToPX);
		float dToNY = abs(1-dToPY);
		float dToNZ = abs(1-dToPZ);

		BlockSide side;

		float smallestValue = 0;

		smallestValue = dToPX;
		side = BlockSide.RIGHT;

		if(smallestValue > dToPY) {
			smallestValue = dToPY;
			side = BlockSide.TOP;
		}

		if(smallestValue > dToPZ) {
			smallestValue = dToPZ;
			side = BlockSide.BACK;
		}

		if(smallestValue > dToPY) {
			smallestValue = dToPY;
			side = BlockSide.TOP;
		}

		if(smallestValue > dToNX) {
			smallestValue = dToNX;
			side = BlockSide.LEFT;
		}

		if(smallestValue > dToNY) {
			smallestValue = dToNY;
			side = BlockSide.BOTTOM;
		}

		if(smallestValue > dToNZ) {
			smallestValue = dToNZ;
			side = BlockSide.FRONT;
		}