unity中2D与3D物体的线性检测

2D:

?

1 2 3 4 5 6

Vector2 mousePoint2D = new Vector2(Input.mousePosition.x, Input.mousePosition.y);  RaycastHit2D hitInfo2D = Physics2D.Raycast(mousePoint2D, Vector2.zero); if (hitInfo2D.collider != null) {     Debug.Log(hitInfo2D.collider.name); //点击到的物体 }

3D:

?

1 2 3 4 5 6

Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);  RaycastHit hitInfo;  if (Physics.Raycast(ray, out hitInfo)) {     //点击到物体 }