Mycode

var bpm:Number = 172.0;
var startBar:int = 3;
var endBar:int = 185;
var secondsPerBar:Number = 240.0 / bpm;
var speed:Number = secondsPerBar;
var beatTime:Number = secondsPerBar / 8.0;
var arrows:Array = [];
var currentBar:int;
var currentBeat:int;
var data:Vector.<int> = new <int>[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,4,4,4,0,8,4,4,0,4,4,4,0,8,4,4,0,4,4,4,0,8,4,4,0,4,4,4,0,8,4,4,0,4,4,4,0,8,4,4,0,4,4,4,0,8,4,4,0,4,4,4,0,8,4,4,8,0,0,0,0,2,1,0,0,4,4,4,0,8,4,4,0,5,4,4,0,8,4,4,0,5,4,4,0,8,4,4,0,5,4,4,0,8,4,4,0,5,4,4,0,8,4,4,0,5,4,4,0,8,4,4,0,5,4,4,0,8,4,4,8,0,0,0,0,2,0,0,0,4,0,4,0,8,0,0,4,0,8,4,0,8,4,0,0,4,0,4,0,8,0,0,4,0,8,4,0,8,4,0,0,4,0,4,0,8,0,0,4,0,8,4,0,8,4,0,0,4,0,4,0,8,0,8,4,0,8,4,0,8,0,8,8,4,0,4,0,8,0,0,4,0,8,4,0,8,4,0,0,4,0,4,0,8,0,8,4,0,8,4,0,8,4,0,0,4,0,4,0,8,0,0,4,0,8,4,0,8,4,0,0,4,0,4,0,8,0,8,4,0,8,4,0,2,1,2,0,4,4,8,4,0,4,8,4,0,4,12,0,0,0,8,4,4,4,8,0,0,0,8,4,0,4,12,0,0,0,8,4,4,4,8,4,0,0,8,4,0,4,12,0,0,0,8,4,4,4,8,0,0,0,8,4,0,4,8,0,4,8,0,8,4,4,8,4,0,0,8,4,0,4,12,0,0,0,8,4,4,4,8,0,0,0,8,4,0,4,12,0,0,0,8,4,4,4,8,0,0,0,8,4,0,4,12,0,0,0,8,4,4,0,4,0,8,0,8,4,0,8,4,0,8,0,9,9,4,0,8,4,4,0,8,0,4,0,8,4,4,0,8,0,4,0,8,4,4,0,8,0,4,0,8,4,4,0,8,0,4,0,8,4,4,0,8,0,4,0,8,4,4,0,8,0,4,0,8,4,4,0,8,0,4,8,8,4,8,4,8,0,4,0,12,0,4,0,12,0,4,0,12,0,4,0,12,0,4,0,12,0,4,0,12,0,4,0,12,0,2,1,4,8,4,0,4,0,8,0,0,4,0,8,4,0,8,4,4,4,4,0,4,0,8,0,0,4,0,8,4,0,8,0,4,0,4,0,4,0,8,0,0,4,0,8,4,0,8,4,4,4,4,0,4,0,8,8,8,8,0,0,0,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,2,0,0,0,0,0,0,0,8,1,2,1,4,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,1,2,0,1,4,4,8,4,0,4,8,4,0,0,8,0,0,0,4,4,4,4,8,0,0,0,8,4,0,4,12,0,0,0,8,4,4,4,8,0,0,0,8,4,0,4,12,0,0,0,8,4,4,4,8,0,0,0,8,4,4,4,8,4,0,2,1,2,4,4,8,4,0,0,8,4,0,4,12,0,0,0,8,4,4,4,8,0,0,0,8,4,0,4,12,0,0,0,8,4,4,4,8,0,0,0,8,4,0,4,8,0,0,0,8,0,4,0,4,0,8,0,8,4,0,8,4,0,9,9,9,9,4,0,8,4,4,0,8,0,4,0,8,4,4,0,8,0,4,0,8,4,4,0,8,0,4,0,8,4,4,0,8,0,2,0,8,4,4,0,8,0,4,0,8,4,4,0,8,0,4,0,8,4,4,0,8,0,4,2,2,4,2,4,2,0,4,0,12,0,4,0,12,0,4,0,5,0,4,0,5,0,4,0,0,0,4,0,12,0,4,0,12,0,2,1,2,0,4,0,4,0,8,0,0,4,0,8,4,0,8,4,4,4,4,0,4,0,8,0,0,4,0,8,4,0,8,4,4,4,4,0,4,0,8,0,0,4,0,8,4,0,8,4,4,4,4,0,4,0,8,8,8,4,0,8,4,0,8,0,8,0,4,0,4,0,8,4,0,4,0,0,0,0,8,4,4,4,4,0,4,0,8,4,0,4,0,0,0,0,2,1,0,0,4,0,4,0,8,4,0,4,0,0,0,0,0,0,0,0,4,0,4,0,8,4,0,4,0,0,0,0,0,0,0,0,4,0,4,0,8,4,0,4,0,0,0,0,2,1,0,0,4,0,4,0,8,4,0,4,0,0,4,0,4,0,4,0,4,0,4,0,8,4,0,4,0,0,0,0,0,0,0,0,4,0,4,0,8,4,0,4,0,2,1,2,1,2,1,2,4,0,8,0,0,0,8,0,4,0,8,0,0,0,8,4,4,0,8,0,0,0,8,4,0,0,8,0,0,0,8,4,4,0,8,0,0,0,8,4,0,4,8,0,0,0,8,4,4,0,8,0,0,0,8,4,0,4,8,0,0,0,8,4,4,4,8,0,0,0,8,4,0,4,8,0,0,0,8,4,4,4,8,0,0,0,8,4,0,4,8,0,0,0,8,4,4,4,8,0,0,0,8,4,0,4,8,0,0,0,8,4,4,4,8,0,0,0,8,4,0,4,8,0,0,0,8,4,4,4,8,0,0,0,8,4,4,4,8,0,0,0,8,4,4,4,8,0,0,0,8,4,4,4,8,4,4,4,8,4,4,4,8,0,0,0,8,4,4,4,8,0,0,0,8,4,4,4,8,0,0,0,8,4,4,4,8,4,4,4,8,4,4,4,8,4,4,4,2,4,4,4,1,4,4,4,8,4,4,4,2,4,4,4,1,4,4,4,8,4,4,4,2,4,4,4,1,4,4,4,8,4,4,4,8,4,8,4,8,4,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,4,0,4,8,4,0,4,8,4,0,4,8,4,4,4,8,4,0,4,8,4,0,4,8,4,0,4,8,4,4,4,8,4,0,4,8,4,0,4,8,4,4,4,8,4,0,4,8,4,0,4,8,4,0,4,8,4,0,4,8,4,4,4,8,4,8,4,8,4,8,4,8,4,8,4,8,4,8,4,8,4,8,4,8,4,8,4,9,9,9,9,9,9,9,9,4,1,4,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,1,12,1,4,0,4,0,8,4,0,4];
var frameKeys:Array = [];
var startTime:int;
var music:Sound = new Music();
var musicChannel:SoundChannel = music.play();
musicChannel.stop();

function enterFrameHandler(event:Event):void
{
    var now:int = getTimer();
    trace(startTime);
    var time:Number = (now - startTime) / 1000;
    trace(now);
    currentBar = time / secondsPerBar;
    var barTime:Number = time % secondsPerBar;
    var beat:int = barTime / beatTime;
    measure_tf.text = "Bar  : " + currentBar + "\nBeat : " + beat;
    var n:int = arrows.length;
    for (var i:int = n - 1; i > -1; i--)
    {
        var arrow:MovieClip = arrows[i];
        if (frameKeys[arrow.currentFrame] && arrow.hitTestObject(targetLine))
        {
            removeChild(arrow);
            arrows.splice(i, 1);
            continue;
        }
        arrow.y = (time - arrow.time) / speed * 500;
        if (arrow.y >= 600)
        {
            removeChild(arrow);
            arrows.splice(i, 1);
        }
    }
    frameKeys.length = 0;
    currentBeat = beat;
    var position:int = currentBar * 8 + currentBeat;
    if (position >= data.length)
        return;
    var bits:int = data[position];
    if (!bits)
        return;
    for (var shift:int = 0; shift < 4; shift++)
    {
        if (!(bits & 1 << shift))
            continue;
        arrow = new Arrow();
        arrow.time = position * beatTime;
        arrow.gotoAndStop(shift + 1);
        arrow.x = 225 + (arrow.currentFrame - 1) * 50;
        arrow.y = (time - arrow.time) / speed * 500;
        addChild(arrow);
        arrows.push(arrow);
    }
}

function keyDownHandler(event:KeyboardEvent):void
{
    switch (event.keyCode)
    {
        case Keyboard.LEFT:
        {
            frameKeys[1] = true;
            break;
        }
        case Keyboard.UP:
        {
            frameKeys[2] = true;
            break;
        }
        case Keyboard.DOWN:
        {
            frameKeys[3] = true;
            break;
        }
        case Keyboard.RIGHT:
        {
            frameKeys[4] = true;
            break;
        }
    }
    event.updateAfterEvent();
}

function recordEnterFrameHandler(event:Event):void
{
    var now:int = getTimer();
    var time:Number = (now - startTime) / 1000;
    currentBar = time / secondsPerBar;
    var barTime:Number = time % secondsPerBar;
    currentBeat = barTime / beatTime;
    measure_tf.text = "Bar  : " + currentBar + "\nBeat : " + currentBeat;
}

function recordKeyDownHandler(event:KeyboardEvent):void
{
    var position:int = (currentBar - 1) * 8 + currentBeat + 1;
    if (position < 0)
        return;
    data.length = position + 1;
    switch (event.keyCode)
    {
        case Keyboard.LEFT:
        {
            data[position] |= 1;
            break;
        }
        case Keyboard.UP:
        {
            data[position] |= 2;
            break;
        }
        case Keyboard.DOWN:
        {
            data[position] |= 4;
            break;
        }
        case Keyboard.RIGHT:
        {
            data[position] |= 8;
            break;
        }
    }
    event.updateAfterEvent();
}

function startPlay(event:Event = null):void
{
    trace("[" + data + "]");
    //data_tf.text = "[" + data + "]";
    removeEventListener(Event.ENTER_FRAME, recordEnterFrameHandler);
    stage.removeEventListener(KeyboardEvent.KEY_DOWN, recordKeyDownHandler, false);
    addEventListener(Event.ENTER_FRAME, enterFrameHandler);
    stage.addEventListener(KeyboardEvent.KEY_DOWN, keyDownHandler, false);
    frameKeys = [];
    if (musicChannel)
        musicChannel.stop();
    startTime = getTimer();
    musicChannel = music.play();
    musicChannel.addEventListener(Event.SOUND_COMPLETE, soundCompleteHandler);
}

function startRecord(event:Event = null):void
{
    var n:int = arrows.length;
    for (var i:int = 0; i < n; i++)
    {
        removeChild(arrows[i]);
    }
    arrows.length = 0;
    removeEventListener(Event.ENTER_FRAME, enterFrameHandler);
    stage.removeEventListener(KeyboardEvent.KEY_DOWN, keyDownHandler, false);
    addEventListener(Event.ENTER_FRAME, recordEnterFrameHandler);
    stage.addEventListener(KeyboardEvent.KEY_DOWN, recordKeyDownHandler, false);
    data.length = 0;
    if (musicChannel)
        musicChannel.stop();
    startTime = getTimer();
    musicChannel = music.play();
    musicChannel.addEventListener(Event.SOUND_COMPLETE, soundCompleteHandler);
}

function soundCompleteHandler(event:Event):void
{
    removeEventListener(Event.ENTER_FRAME, enterFrameHandler);
    stage.removeEventListener(KeyboardEvent.KEY_DOWN, keyDownHandler, false);
    removeEventListener(Event.ENTER_FRAME, recordEnterFrameHandler);
    stage.removeEventListener(KeyboardEvent.KEY_DOWN, recordKeyDownHandler, false);
}

recordButton.addEventListener(MouseEvent.CLICK, startRecord);
playButton.addEventListener(MouseEvent.CLICK, startPlay);