private var first = Vector2.zero;


private var second = Vector2.zero;


function Update () {


}


function OnGUI () {


if(Event.current.type == EventType.MouseDown){//记录鼠标按下的位置


first = Event.current.mousePosition ;


}


if(Event.current.type == EventType.MouseDrag){//记录鼠标拖动的位置


second = Event.current.mousePosition ;


if(second.x


print(“left”);


}


if(second.x>first.x){//拖动的位置的x坐标比按下的位置的x坐标大时,响应向右事件


print(“right”);


}


first = second;


}


}