Question

我得到了这个非常烦人的错误 “TypeError：错误＃1009：无法访问空对象引用的属性或方法。在monke2_fla :: MainTimeline / update2（）“ 我找不到NULL var，除了＃1009错误之外，任何帮助都会很好，因为脚本工作正常。

var randomX:Number = Math.random() * 800;

Banana_mc1.x = randomX;
Banana_mc1.y = 0;

var speed:Number = 10;
var speed2:Number = 5;
var speed3:Number = 2;
var speed4:Number = 6;
Banana_mc1.addEventListener(Event.ENTER_FRAME, moveDown);
var playerScore:int = 0;
var stopLoop = 0;
if (stopLoop == 1) { } else {
function moveDown(e:Event):void
{
 Banana_mc1.y += speed; 
 Banana_mc2.y += speed2;
     Banana_mc3.y += speed3;
         Banana_mc4.y += speed3;
         Banana_mc5.y += speed;
         Banana_mc6.y += speed4;
     Snake_mc1.y += speed2;
          Bunch.y += speed3;
      Snake_mc2.y += speed3;
}
}
// KEYS
stage.addEventListener (KeyboardEvent.KEY_DOWN, myFunction) ;
//Monkey.addEventListener(Event.ENTER_FRAME, update);
function myFunction (event: KeyboardEvent)
{
  if(event.keyCode == Keyboard.LEFT)  
    Monkey.x -= 10;

  if(event.keyCode == Keyboard.RIGHT) 
    Monkey.x += 10;
}
var hitAry:Array = [Banana_mc1,Banana_mc2,Banana_mc3,Banana_mc4,Banana_mc5,Banana_mc6];
var hitAry2:Array = [Snake_mc1,Snake_mc2];
stage.addEventListener(Event.ENTER_FRAME, update2);
function update2(e:Event):void
{
var hitAry:Array = [Banana_mc1,Banana_mc2,Banana_mc3,Banana_mc4,Banana_mc5,Banana_mc6];
var hitAry2:Array = [Snake_mc1,Snake_mc2];
    for (var i:int=0; i < hitAry.length; i++) {
        if (Monkey.hitTestObject(hitAry[i])) {

            trace("HIT");
            hitAry[i].parent.removeChild(hitAry[i]);
            trace(hitAry[i]);
            playerScore+=1;
               playerScoreText.text = ("" + playerScore);
        } else { 

            trace("MISS"); }
               if (Floor.hitTestObject(hitAry[i])) {

            trace("HIT The Floor");
            hitAry[i].gotoAndPlay(35);
                   stopLoop = 1;

        } else { 

            trace("MISS"); }
} 

    for (var b:int=0; b < hitAry2.length; b++) {
        if (Monkey.hitTestObject(hitAry2[b])) {
   Monkey.Head.gotoAndPlay(23);
            trace("HIT");
            hitAry2[b].parent.removeChild(hitAry2[b]);
            playerScore-=1;
            if (playerScore <= 0) { playerScore = 0; }

               playerScoreText.text = ("" + playerScore);
        } else { 

            trace("MISS"); }

} 
  if (Monkey.hitTestObject(allleft)) {
    Monkey.Head.gotoAndPlay(23);
            trace("BITE");
                        playerScore-=100;
            if (playerScore <= 0) { playerScore = 0; }

               playerScoreText.text = ("" + playerScore);
        } else { 

            trace("NO BITE"); }
              if (Monkey.hitTestObject(allright)) {
    Monkey.Head.gotoAndPlay(23);
            trace("BITE");
                        playerScore-=100;
            if (playerScore <= 0) { playerScore = 0; }

               playerScoreText.text = ("" + playerScore);
        } else { 

            trace("NO BITE"); }
if (Monkey.hitTestObject(Bunch)) {

            trace("HIT BUNCH");
            Bunch.parent.removeChild(Bunch);
            playerScore+=10;
               playerScoreText.text = ("" + playerScore);
        } 


}

这是一个过期的作业，我正在撞砖墙，提前致谢

切尔西

Answer 1

嗯，在您的代码底部附近，您会说：Bunch.parent.removeChild(Bunch);

但你也有：Banana_mc1.addEventListener(Event.ENTER_FRAME, moveDown);调用一个不断引用束的函数。

你可以通过不删除束来测试。如果这解决了null var问题，那么你将不得不决定如何继续。你希望游戏在束消失后继续或结束吗？

然后还有这个：

    hitAry[i].parent.removeChild(hitAry[i]);
    trace(hitAry[i]);

您正在尝试在删除它后立即追踪它！那可能会命中hitAry [i] null！

TypeError：错误＃1009无法找到NULL对象

1 个答案: