全屏抗锯齿和景深效果演示 演示如何实现全屏抗锯齿和景深效果. A键 - 开始全屏抗锯齿 D键 - 开始景深效 果 UP键 - 增加摄相机的焦距 N键 - 不要任何效果 DOWN键 - 减小摄相机的焦距-The full-screen anti-aliasing and depth of field demo demonstrates how to implement full-screen anti-aliasing and depth of field effect. A key- sta