Exemple #1
0
    // Update is called once per frame
    void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            RaycastHit raycastHit = new RaycastHit();

            if (Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out raycastHit))
            {
                Debug.Log("Hit " + raycastHit.transform.gameObject.name);

                Movable movable = raycastHit.transform.gameObject.GetComponent <Movable> ();
                if (movable != null && movable.isMovable)
                {
                    setOffset    = true;
                    objectToMove = movable.GetTarget();
                }
            }
        }

        if (Input.GetMouseButton(0))
        {
            if (objectToMove != null)
            {
                Plane groundPlane = new Plane(Vector3.up, Vector3.zero);

                Ray   ray = Camera.main.ScreenPointToRay(Input.mousePosition);
                float rayDistance;
                if (groundPlane.Raycast(ray, out rayDistance))
                {
                    Vector3 hit = ray.GetPoint(rayDistance);

                    if (setOffset)
                    {
                        setOffset = false;
                        offset    = objectToMove.transform.position - hit;
                    }

                    objectToMove.transform.position = hit + offset;
                }
            }
        }

        if (Input.GetMouseButtonUp(0))
        {
            objectToMove = null;
        }
    }