forked from: Sound Visualizer
pseudoDust: just added shake to the thing,
the whole thing will move up and down slightly according to base levels
and a "motion" blur is applied
----------------------------------
Music by "SHW"(http://shw.in/)
----------------------------------
/**
* Copyright pseudoDust ( http://wonderfl.net/user/pseudoDust )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/3Z00
*/
package {
// forked from hycro's Sound Visualizer
// pseudoDust: just added shake to the thing,
// the whole thing will move up and down slightly according to base levels
// and a "motion" blur is applied
//----------------------------------
// Music by "SHW"(http://shw.in/)
//----------------------------------
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.IOErrorEvent;
import flash.filters.BitmapFilter;
import flash.filters.BlurFilter;
import flash.geom.ColorTransform;
import flash.geom.Matrix;
import flash.geom.Point;
import flash.geom.Rectangle;
import flash.media.Sound;
import flash.media.SoundChannel;
import flash.media.SoundMixer;
import flash.net.URLRequest;
import flash.system.Security;
import flash.utils.ByteArray;
import flash.media.SoundLoaderContext;
[SWF(width=465, height=465, backgroundColor=0x000000, frameRate=60)]
public class SoundTest extends Sprite {
private static const POLICY_FILE:String = "http://hycro.crz.jp/crossdomain.xml";
private static const SOUND_FILE:String = "http://hycro.crz.jp/wonderfl/sound/u-chi-u.mp3";
private var _sound:Sound = new Sound();
private var _channel:SoundChannel;
private var _leftBars:Vector.<Bar>;
private var _rightBars:Vector.<Bar>;
private var _canvas:Bitmap;
private var _colorTransform:ColorTransform = new ColorTransform(.9, .9, .9);
private var _filter:BitmapFilter = new BlurFilter(8, 0);
private var _baseShakeDir:int = 1;
{
Wonderfl.capture_delay( 33 );
}
/**
* コンストラクタ
*/
public function SoundTest() {
trace();
// 左右のバーを作成
_leftBars = new Vector.<Bar>();
_rightBars = new Vector.<Bar>();
var bar:Bar;
for (var i:uint=0; i<64; i++) {
// 左
bar = new Bar(0xffffff, false);
bar.y = i * (Bar.LENGTH + Bar.MARGIN) + Bar.LENGTH + 10; // 回転後にずれるため Bar.LENGTH だけ足す
bar.x = (Bar.LENGTH + Bar.MARGIN) * Bar.NUM_RECT;
_leftBars.unshift(bar);
// 右
bar = new Bar(0xffffff, false);
bar.y = i * (Bar.LENGTH + Bar.MARGIN) + 10;
bar.x = Math.floor(stage.stageWidth / 2) + 1;
_rightBars.unshift(bar);
}
// 描画用Bitmapの作成
_canvas = new Bitmap(new BitmapData(stage.stageWidth, stage.stageHeight, true, 0xff000000));
addChild(_canvas);
// ポリシーファイルのロード
//// たまにセキュリティ例外が出るのでSoundLoaderContextを使ってみる
// やっぱり例外が出る。あとで勉強しよう。
Security.loadPolicyFile(POLICY_FILE);
// サウンドのロード
_sound.addEventListener(Event.COMPLETE, onLoadComplete);
_sound.addEventListener(IOErrorEvent.IO_ERROR, onLoadError);
_sound.load(new URLRequest(SOUND_FILE), new SoundLoaderContext(10000, true));
}
/**
* サウンドのロード完了。
* サウンドを再生し、メインループを開始します。
*
* @private
*/
private function onLoadComplete(evt:Event):void {
this.addEventListener(Event.ENTER_FRAME, loop);
_channel = _sound.play(0, int.MAX_VALUE);
}
/**
* メインループ
*
* @private
*/
private function loop(evt:Event):void {
var data:ByteArray = new ByteArray();
var matrix:Matrix;
var rect:Rectangle = new Rectangle(0, 0, _canvas.width, _canvas.height);
var dp:Point = new Point(0, 0);
_canvas.bitmapData.lock();
// スペクトラムの取得
SoundMixer.computeSpectrum(data, true);
// 色調整
var d:Number = Math.max(_channel.rightPeak, _channel.leftPeak) * .02;
_colorTransform.redMultiplier += (.5 - Math.random()) * d;
_colorTransform.blueMultiplier += (.5 - Math.random()) * d;
_colorTransform.greenMultiplier += (.5 - Math.random()) * d;
_colorTransform.redMultiplier = Math.min(Math.max(_colorTransform.redMultiplier, .8), 1);
_colorTransform.blueMultiplier = Math.min(Math.max(_colorTransform.blueMultiplier, .8), 1);
_colorTransform.greenMultiplier = Math.min(Math.max(_colorTransform.greenMultiplier, .8), 1);
_canvas.bitmapData.colorTransform(rect, _colorTransform);
// ぼかしフィルター
_canvas.bitmapData.applyFilter(_canvas.bitmapData, rect, dp, _filter);
var level:Number;
var levels:Array = new Array();
// 左チャンネルの描画
for (var i:uint=0; i<64; i++) {
level = Math.sqrt((data.readFloat() + data.readFloat() + data.readFloat() + data.readFloat()) / 4);
levels[i] = level*.5;
_leftBars[i].setLevel(level);
matrix = new Matrix();
matrix.rotate(Math.PI)
matrix.translate(_leftBars[i].x, _leftBars[i].y);
_canvas.bitmapData.draw(_leftBars[i], matrix);
}
// 右チャンネルの描画
for (i=0; i<64; i++) {
level = Math.sqrt((data.readFloat() + data.readFloat() + data.readFloat() + data.readFloat()) / 4);
levels[i] += level*.5;
_rightBars[i].setLevel(level);
matrix = new Matrix();
matrix.translate(_rightBars[i].x, _rightBars[i].y);
_canvas.bitmapData.draw(_rightBars[i], matrix);
}
var base:Number = 0;
for(i=0; i<6; i++) {
base+=levels[i];
}
base/=6;
base = base*base;
_canvas.bitmapData.scroll(0,_baseShakeDir*base*10);
_baseShakeDir = -_baseShakeDir;
_canvas.bitmapData.applyFilter(_canvas.bitmapData,rect,dp,new BlurFilter(0,base*50));
_canvas.bitmapData.unlock();
}
/**
* ロード失敗
*
* @private
*/
private function onLoadError(evt:IOErrorEvent):void {
trace("ロードに失敗しました");
}
}
}
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Sprite;
class Bar extends Sprite {
// 四角の数
public static const NUM_RECT:uint = 33;
// 四角の大きさ
public static const LENGTH:uint = 5;
// マージン
public static const MARGIN:uint = 2;
// 最大時の長さ
public static const MAX_LENGTH:uint = (LENGTH + MARGIN) * NUM_RECT - MARGIN;
// Bar を構成する四角形
private var _rects:Vector.<Bitmap>;
/**
* コンストラクタ
*/
public function Bar(color:uint=0xffffff, gradient:Boolean=false) {
var r:uint = (color & 0x00ff0000) >> 16;
var g:uint = (color & 0x0000ff00) >> 8;
var b:uint = (color & 0x000000ff);
_rects = new Vector.<Bitmap>;
for (var i:uint = 0; i < NUM_RECT; i++) {
var grad:Number = Math.min(Math.sqrt((i+1)/NUM_RECT+.4), 1)
var c:uint = (r*grad << 16) | (g*grad << 8) | b*grad;
var bmp:Bitmap = new Bitmap(new BitmapData(LENGTH, LENGTH, false, gradient ? c : color));
bmp.x = i * (LENGTH + MARGIN);
_rects[i] = bmp;
addChild(bmp);
bmp.visible = false;
}
}
/**
* レベルを設定
*
* @param level 0〜1の範囲の実数値
*/
public function setLevel(level:Number):void {
level = Math.min(NUM_RECT, Math.floor(NUM_RECT * level));
for (var i:uint = 0; i<NUM_RECT; i++) {
_rects[i].visible = i<level;
}
}
}