图片跟随鼠标旋转

会飞的鱼

    var Mid : Texture2D;
    var mouse : Texture2D; //鼠标图片
    var mouseps = Vector2.zero; //鼠标的位置
    private var angle : float;
    function Update () {
    mousePs = Input.mousePosition;//获取鼠标位置
    angle = 180 - Mathf.Atan2(mousePs.x - 250, Screen.height -mousePs.y - 250) * Mathf.Rad2Deg;//计算选择角度
    }
    function OnGUI () {
    Screen.showCursor = false;
    GUIUtility.RotateAroundPivot (angle, Vector2(250, 250));
    GUI.DrawTexture(Rect(200,200,100,100),Mid);
    GUIUtility.RotateAroundPivot (-angle, Vector2(250, 250));
    GUI.DrawTexture(Rect(mousePs.x,Screen.height -mousePs.y,25,25),mouse);
    }