单项选择题
A.local v1=CS.UnityEngine.Vector3(1,1,1)B.CS.UnityEngine.Vector3.oneC.local v1=new CS.UnityEngine.Vector3()D.local v1=new Vector3(1,1,1)
A.tostring(xx)B.tonumber(xx)C.toboolean(xx)D.tointeger(xx)
A.Vector3.Zero坐标为(0,0,0)B.Vector3.normalized 返回向量的方向,长度为一个单位长度C.Vector3.One坐标为(1,1,1)D.Vector3.magnitude 向量保持同样的方向,但是长度变为1.0