[英]Remove sprite from stage in as3
我有這段代碼,可在播放器完成拖放操作后在舞台上顯示一條消息。 我希望在單擊下一幀的按鈕時刪除此精靈。 有人可以幫助我提供代碼嗎?
stage.addEventListener(Event.ENTER_FRAME, EntFrame);
function EntFrame (e:Event):void
{
if (CntP1+CntP2+CntP3+CntP4+CntP5+CntP6+CntP7+CntP8 == 40)
{
var w:int = 400, h:int = 200;
var win:Sprite = new Sprite();
win.name = "Mywin";
addChild(win);
// draw rounded rect with subtle vertical linear gradient fill and blue stroke
win.graphics.lineStyle(4,0x0077ff);
var mat:Matrix = new Matrix();
mat.createGradientBox(w, h, 90 * (Math.PI / 180));
win.graphics.beginGradientFill(GradientType.LINEAR,[0xffffff,0xeeeeee],[1.00,1.00],[0,255],mat);
win.graphics.drawRoundRect(0,0,w,h,15,15);
// show center "YOU WIN!" text
var tf:TextField = new TextField();
tf.autoSize = TextFieldAutoSize.LEFT;
tf.antiAliasType = AntiAliasType.ADVANCED;
tf.defaultTextFormat = new TextFormat("Arial, Verdana",36,0x454545,true);
tf.text = "Κέρδισες!";
tf.selectable = false;
win.addChild(tf);
tf.x = w/2 - tf.width/2;
tf.y = h/2 - tf.height/2;
// add a drop shadow
var dropShadow:DropShadowFilter = new DropShadowFilter(3,45,0,.35,8,8,1,3);
win.filters = [dropShadow];
// center the graphic
win.x = stage.stageWidth/2 - win.width/2;
win.y = stage.stageHeight/2 - win.height/2;
}
}
您的代碼編寫得不好,需要重寫以確保項目的重用或可伸縮性,但這是一種快速的解決方法。
做一個持有人雪碧,像
var messageHolder:Sprite = new Sprite();
addChild(messageHolder);
以您喜歡的任何方式將所有郵件添加到該郵件持有者。 當您需要擦除該持有人的內容時,請調用以下方法:
function clearHolderContents(holder:DisplayObjectContainer):void
{
if (holder.numChildren < 1)
return; // no need to continue this method if the target is empty
for (var i:int = holder.numChildren - 1; i >= 0; i--)
removeChild(holder.getChildAt(i));
}
此方法可以清除任何DisplayObjectContainer的內容=>將其用於您的messageHolder:
clearHolderContents(messageHolder);
希望有幫助!
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