Low logic update rates such as this are common in games such as real-time strategy games, where logic can eat up a lot of time in pathfinding and AI calculations that would choke a higher rate.

• 这种同步的循环方法在显示器的刷新率可预测的情况下是有效的，但是当可以自定义刷新率以后，这种行为又变得不可预测了。