unity鼠标发射线总结

1、方法一：
string outName=null;
if ( Input.GetMouseButtonDown(0))
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray,out hit ))
{
if (hit.collider.name == outName)
{
Debug.Log(hit.collider.name );

            }
        }
    }