SoundBall
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
/**
* Copyright osamX ( http://wonderfl.net/user/osamX )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/sfdx
*/
// 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 );
}
}