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我正在使用AS3創建拖放遊戲。這是我用來做拖放的代碼。遊戲將爲用戶提供一個提示,用戶必須將三個選項中的特定答案拖到正確的位置。這種編碼將允許用戶選擇所有三個選項。我想要做的是限制用戶選擇多個選項。有人可以幫我弄這個嗎?與ActionScript 3相關
var myArray:Array = [apple, grapes, gava];
var matchImage:Array = [imgApple, imgGrapes, imgGuava];
var posArray:Array = [ {x:55.3, y:55.6}, {x:100.45, y:100.6}, {x:300.5, y:250.7} ];
var currentClip:MovieClip;
var Xpos:Number;
var Ypos:Number;
for(var i:int = 0; i < wordArray.length; i++) {
myArray[i].buttonMode = true;
myArray[i].addEventListener(MouseEvent.MOUSE_DOWN, item_onMouseDown);
}
function item_onMouseDown(event:MouseEvent):void {
currentClip = MovieClip(event.currentTarget);
Xpos = currentClip.x;
Ypos = currentClip.y;
addChild(currentClip);
currentClip.startDrag();
stage.addEventListener(MouseEvent.MOUSE_UP, stage_onMouseUp);
}
function stage_onMouseUp(event:MouseEvent):void {
stage.removeEventListener(MouseEvent.MOUSE_UP, stage_onMouseUp);
currentClip.stopDrag();
var index:int = myArray.indexOf(thisClip);
var equalClip:MovieClip = MovieClip(matchImage[index]);
if(matchImage.hitTestPoint(thisClip.x, thisClip.y, true)) {
currentClip.x = posArray[index].x;
currentClip.y = posArray[index].y;
currentClip.removeEventListener(MouseEvent.MOUSE_DOWN, item_onMouseDown);
currentClip.buttonMode = false;
}
else
{
currentClip.x = startXposition;
currentClip.y = startYposition;
}
}