glut - How to trigger event when mouse is clicked AND a key is held down?

Question

Is there any way to detect if a key is being held down while inside of the glutMouseFunc?

Answer 1

是的。存储当前按下的键的全局可访问列表。然后在 MouseFunc 中阅读该列表。

注意鼠标回调已经获得了控制键状态（shift/alt/ctrl），所以一般不需要这样做。