unity3d 鼠标点击 控制人物行走[转]

 void Update () 
    {

        if(Input.GetMouseButtonDown(0))
        {
            RayControl();
        }
        if(flagMove)
        {
            if(Vector3.Distance(transform.position,mousePos)>1)
            {
                transform.Translate(transform.worldToLocalMatrix* transform.forward * Time.deltaTime*5);
            }
            else
            {
                flagMove=false;
            }
        }
    }


    void RayControl()
    {
        Ray ray=Camera.main.ScreenPointToRay(Input.mousePosition);
        if(Physics.Raycast(ray,out hit,200))
        {
            GameObject targetPos=GameObject.CreatePrimitive(PrimitiveType.Sphere);
            targetPos.transform.localScale=new Vector3(0.5f,0.5f,0.5f);
            mousePos=hit.point;
            mousePos.y=transform.position.y;
            targetPos.transform.position=mousePos;
            targetDir=mousePos-transform.position;
            Vector3 tempDir=Vector3.Cross(transform.forward,targetDir.normalized);
            float dotValue=Vector3.Dot(transform.forward,targetDir.normalized);
            float angle=Mathf.Acos(dotValue)*Mathf.Rad2Deg;
            if(tempDir.y<0)
            {
                angle=angle*(-1);
            }
            print(tempDir.y);
            print("2:"+angle);
            transform.RotateAround(transform.position,Vector3.up,angle);
            flagMove=true;
        }
    }