// forked from gaina's soundtest6 /** * 参考： * 　QuickBox2D はじめの第一歩 http://blog.alumican.net/2009/06/28_021753 * 　QuickBox2D オブジェクトの平行移動と回転 http://blog.alumican.net/2009/07/06_014321 * flash on 2010-3-15 http://wonderfl.net/c/uMNq * 　おくれてきたおのまとぺ http://wonderfl.net/c/1a5I * Puppyish Pentatonicism http://wonderfl.net/c/toV4 */ package { import flash.display.MovieClip; import flash.display.Sprite; import flash.events.Event; import flash.media.Sound; import flash.media.SoundChannel; import flash.media.SoundLoaderContext; import flash.media.SoundMixer; import flash.net.URLRequest; import flash.utils.ByteArray; import com.actionsnippet.qbox.*; public class Main extends Sprite { private static const SIZE:int = 465; private static const QBSIZE:Number = SIZE / 30; private static const PATH:String = "http://www.takasumi-nagai.com/soundfiles/sound001.mp3"; private static const CH:uint = 256; private static const BALL:uint = 6; //ボールの個数 private var _snd:Sound; private var _sndCh:SoundChannel; private var _ba:ByteArray; private var _leftBallArr:Array = [], _rightBallArr:Array = []; private var _leftBoxArr:Array = [], _rightBoxArr:Array = []; public function Main():void { Wonderfl.capture_delay(3); graphics.beginFill(0xEEEEEE); graphics.drawRect(0, 0, SIZE, SIZE); graphics.endFill(); _initSound(); } //音の準備 private function _initSound():void { _snd = new Sound(); _snd.addEventListener(Event.COMPLETE, function(e:Event):void { _snd.removeEventListener(Event.COMPLETE, arguments.callee); _sndCh = _snd.play(0, 5); addEventListener(Event.ENTER_FRAME, _onEnterFrame); _initQBox2D(true, _leftBallArr, _leftBoxArr);//left _initQBox2D(false, _rightBallArr, _rightBoxArr);//right }, false, 0, true); _snd.load(new URLRequest(PATH), new SoundLoaderContext(10, true)); _ba = new ByteArray(); } //QuickBox2Dの準備する private function _initQBox2D(lr:Boolean, ballArr:Array, boxArr:Array) :void { //(lr true:left ,false:right) var mc:MovieClip = new MovieClip(); var sp:Sprite = new Sprite(); sp.graphics.beginFill(0x0); var lt:Number = lr ? 0 : SIZE / 2; sp.graphics.drawRect(lt, 0, SIZE/2, SIZE); sp.graphics.endFill(); mc.mask = sp addChild(mc); var g:Number = lr ? 9.8 : -9.8; var sim:QuickBox2D = new QuickBox2D(mc, { gravityX:g, gravityY:0 } ); //ballを作る var xx:Number = lr ? 0 : QBSIZE; for (var j:int = 0; j < BALL; j++ ) ballArr[j] = sim.addCircle( { x:xx , y:Math.random() * QBSIZE, radius:1.3, density:5, restitution:0.5, lineAlpha:1, lineColor:0x3370FF, lineThickness:20, fillColor:0xFFFFFF } ) as QuickObject; //boxを作る for (var i:int = 0; i < 8; i++) boxArr[i] = sim.addBox( { x:0, y:i * 2.21, width:16, height:2, angle:0, density:0, fillColor:0xFFFFFF, lineAlpha:0 } )as QuickObject; var con:QuickContacts = sim.addContactListener(); con.addEventListener(QuickContacts.ADD, function(e:Event):void { for (var k:int = 0; k < BALL; k++) { var ball:QuickObject = ballArr[k]; if (con.inCurrentContact(ball)) { //trace("x" + con.currentPoint.position.x + " y" + con.currentPoint.position.y + " v" + con.currentPoint.velocity.LengthSquared()); var v:Number = con.currentPoint.velocity.LengthSquared(); if (v > 3) addChild(new PlusEffect(con.currentPoint.position.x*30, con.currentPoint.position.y*30, v / 100)); } } }); sim.start(); } //毎フレームの処理 private function _onEnterFrame(e:Event):void { SoundMixer.computeSpectrum(_ba, true, 32); //音源を解析 for (var side:int = 0; side < 2; side++) { for (var i:int = 0; i < CH; i++) { var p:Number = _ba.readFloat(); if (i % 32 == 0) { if (side==0){_leftBoxArr[(i/32)>>0].x = -p*5+8+QBSIZE/2;} else {_rightBoxArr[(i/32)>>0].x = p*5-8+QBSIZE/2;} } } } // ボールが領域から出たら for (i = 0; i < BALL; i++) { _leftBallArr[i].y = _calcY( _leftBallArr[i].y, 1.3, QBSIZE); if (_leftBallArr[i].x > QBSIZE / 2) _leftBallArr[i].x = 0; _rightBallArr[i].y = _calcY( _rightBallArr[i].y, 1.3, QBSIZE); if (_rightBallArr[i].x < QBSIZE / 2) _rightBallArr[i].x = QBSIZE; } } private function _calcY(y:Number, r:Number, w:Number):Number { if (y < -r) return r+w; if (y > r + w) return -r; return y; } } } import flash.display.Graphics; import flash.display.Sprite; import org.libspark.betweenas3.BetweenAS3; import org.libspark.betweenas3.events.TweenEvent; import org.libspark.betweenas3.tweens.ITween; class PlusEffect extends Sprite { private const W:Number = 30; private const H:Number = 90; public function PlusEffect(xx:Number, yy:Number , scale:Number = 1) { this.x = xx; this.y = yy; var hh:Number = H * scale, g:Graphics = this.graphics; g.lineStyle(W * scale, 0xFFFF33, 1, false, "normal", "none"); graphics.drawPath(Vector.<int>([1, 2, 1, 2]), Vector.<Number>([0, -hh / 2, 0, hh / 2, -hh / 2 , 0, hh / 2 , 0])); var it:ITween = BetweenAS3.tween( this, {scaleX:0.5, scaleY:0.5, alpha:0}, null, 1); it.addEventListener(TweenEvent.COMPLETE, _complete ); it.play(); } private function _abs(num:Number):Number { return (num ^ (num >> 31)) - (num >> 31) } private function _complete(e:TweenEvent):void { this.parent.removeChild( this ); } }