作者: humazi 时间: 2013-5-13 09:55
OnMouseDown is called when the user has pressed the mouse button while over the GUIElement or Collider. 意思是说,当用户按下(按下,弹起这一过程)了鼠标键,则调用一次。
而OnMouseOver
OnMouseOver is called every frame while the mouse is over the GUIElement or Collider.
对比这个,如果是每帧都调用,实际上帮助文档里面会指示出来的。