Transform.TransformDirection 变换方向

JavaScript ? TransformDirection(direction: Vector3): Vector3; 
C# ? Vector3 TransformDirection(Vector3 direction);

Transforms direction from local space to world space.

变换方向从局部坐标转换到世界坐标。

This operation is not affected by scale or position of the transform. The returned vector has the same length as direction.

这个操作不会受到变换的缩放和位置的影响。返回的向量与direction有同样的长度。