Unity射线检测

Unity射线检测

Unity2d射线检测

Unity3d射线检测

 将射线显示出来

        Debug.DrawRay(transform.position, Vector2.down * 0.11f, Color.red);
        RaycastHit2D hit = Physics2D.Raycast(transform.position, Vector2.down, 0.15f, 1 << 8);