SlotScreen.as

    private function onEnterFrame(event:EnterFrameEvent):void {
        const moveBy:Number = event.passedTime * velocity;
        const numBoxes:int = boxes.length;
        var box:Quad;
        for (var i:int = 0; i < numBoxes; i++) {
            box = boxes[i];
            if (box.y >= boxEndY) {
                var topBox:Quad = boxes[(i + 1) % numBoxes];
                box.y = topBox.y - boxSize;
            }
            box.y += moveBy;
        }
    }

Bu daha iyi oldu.