ActionScript 3 AS3检测鼠标是否在舞台上方

Posted 2021-05-23

var mouseIsOver:Boolean = false;
stage.addEventListener(MouseEvent.MOUSE_MOVE, mouseMoved);

function mouseMoved(evt:Event):void
{
  mouseIsOver = true;
  stage.removeEventListener(MouseEvent.MOUSE_MOVE, mouseMoved);
  stage.addEventListener(Event.MOUSE_LEAVE, mouseLeft);
}

function mouseLeft(evt:Event):void
{
  mouseIsOver = false;
  stage.removeEventListener(Event.MOUSE_LEAVE, mouseLeft);
  stage.addEventListener(MouseEvent.MOUSE_MOVE, mouseMoved);
}