通过射线检测实现物体移动到鼠标点击位_lua怎么实现射线点击移动

脚本挂在移动物体上，判断射线点击层设置标签为Plane

public class Playmove : MonoBehaviour {

    Ray ray;
    RaycastHit hit;
    bool state = false;
    public float moveSpeed;
    // Use this for initialization
    void Start () {

    }

    // Update is called once per frame
    void Update () {
        if (Input.GetMouseButtonDown(0))
        {

            ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            if (Physics.Raycast(ray,out hit))
            {
                if (hit.collider.tag == "Plane")
                {
                    state = true;
                }
            }
        }
        if (state)
        {
            transform.forward = Vector3.Lerp(transform.forward, hit.point - transform.forward, Time.deltaTime);
            transform.position = Vector3.MoveTowards(transform.position, hit.point, Time.deltaTime*moveSpeed);
        }
    }
}
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