@Override
	public boolean equals(Object obj) {
		if(this == obj)
			return true;
		if(obj == null)
			return false;
		if(getClass() != obj.getClass())
			return false;
		IntPoint other = (IntPoint) obj;
		if(x != other.x)
			return false;
		if(y != other.y)
			return false;
		if(z != other.z)
			return false;
		return true;
	}