The normal is the direction pointing away from the collider it hits.
http://answers.unity3d.com/questions/478017/what-is-a-raycasthit-normal.html
The normal is the direction pointing away from the collider it hits.
http://answers.unity3d.com/questions/478017/what-is-a-raycasthit-normal.html
转载于:https://www.cnblogs.com/jiahuafu/p/6019732.html