パパっとひよこ

/**
 * Copyright ProjectNya ( http://wonderfl.net/user/ProjectNya )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/g8hk
 */

////////////////////////////////////////////////////////////////////////////////
// パパっとひよこ
//
// [AS3.0] MiniVisualizerクラスだ！ (2)
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=1344
////////////////////////////////////////////////////////////////////////////////

package {

    import flash.display.Sprite;
    import flash.display.MovieClip;
    import flash.display.Loader;
    import flash.events.Event;
    import flash.events.MouseEvent;
    import flash.net.URLRequest;
    import flash.system.Security;
    import flash.system.LoaderContext;
    import flash.display.Shape;
    import flash.geom.Matrix;
    import flash.display.GradientType;
    import flash.utils.Timer;
    import flash.events.TimerEvent;

    [SWF(backgroundColor="#FFFFFF", width="465", height="465", frameRate="30")]

    public class Main extends Sprite {
        private var initialized:Boolean = false;
        private static var basePath:String = "http://assets.wonderfl.net/images/related_images/";
        private static var sunshinePath:String = "9/9b/9bbe/9bbec77d53bddc5e7a5f2c00abbade6bd641c549";
        private var loader:Loader;
        private static var piyoPath:String = "http://www.project-nya.jp/images/flash/piyo2d.swf";
        private var Piyo:Class;
        private var piyo:MovieClip;
        private var completed:Boolean = false;
        private var visualizer:SoundVisualizer;
        private var se:SoundEffect;
        private static var bgmPath:String = "http://www.project-nya.jp/images/bgm/project.mp3";

        public function Main() {
            //Wonderfl.capture_delay(4);
            init();
        }

        private function init():void {
            draw();
            Security.allowDomain("www.project-nya.jp");
            Security.loadPolicyFile("http://www.project-nya.jp/crossdomain.xml");
            loader = new Loader();
            loader.contentLoaderInfo.addEventListener(Event.COMPLETE, initialize, false, 0, true);
            loader.load(new URLRequest(piyoPath), new LoaderContext(true));
            //
            visualizer = new SoundVisualizer(10, 0xFFFFFF);
            addChild(visualizer);
            visualizer.x = 434;
            visualizer.y = 450;
            visualizer.alpha = 0.4;
            se = new SoundEffect();
            se.addEventListener(Event.COMPLETE, complete, false, 0, true);
            se.load(bgmPath);
        }
        private function initialize(evt:Event):void {
            loader.removeEventListener(Event.COMPLETE, initialize);
            var content:MovieClip = MovieClip(evt.target.content);
            //Piyoクラス
            Piyo = MovieClip(content.piyo).constructor;
            initialized = true;
            setup();
            loader = null;
        }
        private function complete(evt:Event):void {
            se.removeEventListener(Event.COMPLETE, complete);
            visualizer.alpha = 1;
            completed = true;
            setup();
        }
        private function setup():void {
            if (initialized && completed) {
                //Piyoインスタンス
                piyo = new Piyo();
                addChild(piyo);
                piyo.x = 232;
                piyo.y = 380;
                piyo.scale = 4;
                piyo.visible = false;
                var timer:Timer = new Timer(500, 1);
                timer.addEventListener(TimerEvent.TIMER_COMPLETE, start, false, 0, true);
                timer.start();
            }
        }
        private function start(evt:TimerEvent):void {
            evt.target.removeEventListener(TimerEvent.TIMER_COMPLETE, start);
            piyo.visible = true;
            visualizer.start();
            se.play(0.5, true);
        }
        /////////////////////////////////////////////
        //背景
        /////////////////////////////////////////////
        private function draw():void {
            drawSky();
            drawGround();
            drawSun();
        }
        private function drawSky():void {
            var matrix:Matrix = new Matrix();
            matrix.createGradientBox(465, 350, 0.5*Math.PI, 0, 0);
            graphics.beginGradientFill(GradientType.LINEAR, [0x3F68AB, 0x77B2EE], [1, 1], [0, 255], matrix);
            graphics.drawRect(0, 0, 465, 350);
            graphics.endFill();
        }
        private function drawGround():void {
            var matrix:Matrix = new Matrix();
            matrix.createGradientBox(465, 115, 0.5*Math.PI, 0, 350);
            graphics.beginGradientFill(GradientType.LINEAR, [0x99CC33, 0x7EB133], [1, 1], [0, 255], matrix);
            graphics.drawRect(0, 350, 465, 115);
            graphics.endFill();
        }
        private function drawSun():void {
            var matrix:Matrix = new Matrix();
            matrix.createGradientBox(200, 200, 0, -90, -90);
            graphics.beginGradientFill(GradientType.RADIAL, [0xFFFFFF, 0xFFFFFF, 0xFFFFFF], [1, 0.3, 0], [25, 102, 231], matrix);
            graphics.drawCircle(10, 10, 100);
            graphics.endFill();
            var shine:Loader = new Loader();
            addChild(shine);
            shine.alpha = 0.5;
            shine.load(new URLRequest(basePath + sunshinePath), new LoaderContext(true));
        }

    }

}


//////////////////////////////////////////////////
// SoundVisualizerクラス
//////////////////////////////////////////////////

import flash.display.Sprite;
import flash.utils.Timer;
import flash.events.TimerEvent;
import flash.media.SoundMixer;
import flash.utils.ByteArray;

class SoundVisualizer extends Sprite {
    private var max:uint;
    private var color:uint;
    private static var bw:uint = 4;
    private static var bh:uint = 16;
    private static var xoffset:uint = 1;
    private static var yoffset:uint = 2;
    private var indicators:Array;
    private var timer:Timer;
    private static var interval:uint = 25;
    private var byteArray:ByteArray;
    private static var channels:uint = 256;
    private var factors:uint;

    public function SoundVisualizer(m:uint, c:uint = 0x000000) {
        max = m;
        color = c;
        factors = uint(channels/max);
        draw();
    }

    private function draw():void {
        indicators = new Array();
        for (var n:uint = 0; n < max; n++) {
            var indicator:SoundIndicator = new SoundIndicator(bw, bh, color);
            addChild(indicator);
            indicator.x = - uint((bw + xoffset)*max/2) + (bw + xoffset)*n;
            indicator.y = uint(bh/2);
            indicators.push(indicator);
        }
        byteArray = new ByteArray();
    }
    public function start():void {
        timer = new Timer(interval);
        timer.addEventListener(TimerEvent.TIMER, update, false, 0, true);
        timer.start();
    }
    public function stop():void {
        if (timer) {
            timer.stop();
            timer.removeEventListener(TimerEvent.TIMER, update);
        }
        reset();
    }
    public function update(evt:TimerEvent):void {
        try {
            SoundMixer.computeSpectrum(byteArray, true, factors);
        } catch (err:Error) {
            trace(err.message);
        }
        for (var n:uint = 0; n < max; n++) {
            var indicator:SoundIndicator = indicators[n];
            byteArray.position = factors*4*n;
            var percent:Number = byteArray.readFloat();
            indicator.update(percent);
        }
    }
    public function reset():void {
        for (var n:uint = 0; n < max; n++) {
            var indicator:SoundIndicator = indicators[n];
            indicator.reset();
        }
    }

}


//////////////////////////////////////////////////
// SoundIndicatorクラス
//////////////////////////////////////////////////

import flash.display.Sprite;
import flash.display.Shape;

class SoundIndicator extends Sprite {
    private var bar:Shape;
    private var color:uint;
    private var _width:uint;
    private var _height:uint;

    public function SoundIndicator(w:uint, h:uint, c:uint = 0x000000) {
        _width = w;
        _height = h;
        color = c;
        draw();
        reset();
    }

    private function draw():void {
        var base:Shape = new Shape();
        addChild(base);
        base.graphics.beginFill(color);
        base.graphics.drawRect(0, 0, _width, 1);
        base.graphics.endFill();
        //
        bar = new Shape();
        addChild(bar);
        bar.graphics.beginFill(color);
        bar.graphics.drawRect(0, 0, _width, - _height);
        bar.graphics.endFill();
    }
    public function update(percent:Number):void {
        bar.scaleY = percent;
        bar.height = uint(bar.height);
    }
    public function reset():void {
        bar.scaleY = 0;
    }

}


//////////////////////////////////////////////////
// SoundEffectクラス
//////////////////////////////////////////////////

import flash.events.EventDispatcher;
import flash.events.Event;
import flash.events.ProgressEvent;
import flash.media.Sound;
import flash.media.SoundChannel;
import flash.media.SoundTransform;
import flash.net.URLRequest;
import flash.media.SoundLoaderContext;

class SoundEffect extends EventDispatcher {
    public var id:String;
    private var sound:Sound;
    private var channel:SoundChannel;
    private var level:Number;
    private var volume:Number = 1;
    private var looping:Boolean = false;
    public var initialized:Boolean = false;
    public var playing:Boolean = false;

    public function SoundEffect() {
    }

    public function init(Snd:Class):void {
        sound = new Snd();
    }
    public function load(filePath:String):void {
        sound = new Sound();
        sound.addEventListener(ProgressEvent.PROGRESS, progress, false, 0, true);
        sound.addEventListener(Event.COMPLETE, initialize, false, 0, true);
        try {
            sound.load(new URLRequest(filePath), new SoundLoaderContext(10, true));
        } catch (err:Error) {
            trace(err.message);
        }
    }
    private function progress(evt:ProgressEvent):void {
        dispatchEvent(evt);
    }
    private function initialize(evt:Event):void {
        initialized = true;
        channel = sound.play();
        channel.stop();
        dispatchEvent(evt);
    }
    public function play(lv:Number, loop:Boolean = false):void {
        playing = true;
        if (channel) channel.stop();
        level = lv;
        looping = loop;
        channel = sound.play();
        var transform:SoundTransform = channel.soundTransform;
        transform.volume = level*volume;
        channel.soundTransform = transform;
        if (looping) {
            channel.addEventListener(Event.SOUND_COMPLETE, complete, false, 0, true);
        }
    }
    public function stop():void {
        playing = false;
        if (channel) {
            channel.stop();
            channel.removeEventListener(Event.SOUND_COMPLETE, complete);
        }
    }
    public function setVolume(v:Number):void {
        volume = v;
        if (channel) {
            var transform:SoundTransform = channel.soundTransform;
            transform.volume = level*volume;
            channel.soundTransform = transform;
        }
    }
    private function complete(evt:Event):void {
        channel.removeEventListener(Event.SOUND_COMPLETE, complete);
        if (looping) {
            channel = sound.play(0);
            channel.addEventListener(Event.SOUND_COMPLETE, complete, false, 0, true);
            var transform:SoundTransform = channel.soundTransform;
            transform.volume = level*volume;
            channel.soundTransform = transform;
        } else {
            playing = false;
        }
    }

}