我正在用 Flash Pro CS6 制作一个小应用程序,我制作了这个球,它使用箭头键(使用 Code Sippets 制作)以每帧 4 个像素的速度移动。问题是,每当我死后,我就会进入另一帧,我可以点击重播并再次尝试游戏,但这一次,球的速度是 8 像素/帧,并且每次我重播游戏时这个数字都会不断增加。有没有办法解决这个问题?这是我正在使用的片段:
var upPressed:Boolean = false;
var downPressed:Boolean = false;
var leftPressed:Boolean = false;
var rightPressed:Boolean = false;
ball.addEventListener(Event.ENTER_FRAME, fl_MoveInDirectionOfKey); //I think the problem might be this "Enter Frame"
stage.addEventListener(KeyboardEvent.KEY_DOWN, fl_SetKeyPressed);
stage.addEventListener(KeyboardEvent.KEY_UP, fl_UnsetKeyPressed);
function fl_MoveInDirectionOfKey(event:Event)
{
if (upPressed)
{
ball.y -= 4;
}
if (downPressed)
{
ball.y += 4;
}
if (leftPressed)
{
ball.x -= 4;
}
if (rightPressed)
{
ball.x += 4;
}
}
function fl_SetKeyPressed(event:KeyboardEvent):void
{
switch (event.keyCode)
{
case Keyboard.UP :
{
upPressed = true;
break;
};
case Keyboard.DOWN :
{
downPressed = true;
break;
};
case Keyboard.LEFT :
{
leftPressed = true;
break;
};
case Keyboard.RIGHT :
{
rightPressed = true;
break;
}
}
};
function fl_UnsetKeyPressed(event:KeyboardEvent):void
{
switch (event.keyCode)
{
case Keyboard.UP :
{
upPressed = false;
break;
};
case Keyboard.DOWN :
{
downPressed = false;
break;
};
case Keyboard.LEFT :
{
leftPressed = false;
break;
};
case Keyboard.RIGHT :
{
rightPressed = false;
break;
}
}
};