FF: Sound Spectrum
音注意！！
murakenさんエフェクト使用
camera of undefined
http://wonderfl.kayac.com/code/e30a7c4c5755fc45417a01d38f889774d3c640b3
/**
* Copyright WLAD ( http://wonderfl.net/user/WLAD )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/0HBq
*/
// forked from sadamitsu's Sound Spectrum
//音注意！！
//murakenさんエフェクト使用
//camera of undefined
//http://wonderfl.kayac.com/code/e30a7c4c5755fc45417a01d38f889774d3c640b3
package{
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.BitmapDataChannel;
import flash.display.DisplayObject;
import flash.display.GradientType;
import flash.display.Shape;
import flash.display.Sprite;
import flash.display.MovieClip;
import flash.events.Event;
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;
[SWF( backgroundColor='#000000',frameRate=60,quality='low')]
public class Main extends Sprite {
//
private var snd:Sound = new Sound();
private var channel:SoundChannel;
private var ba:ByteArray = new ByteArray();
private var array:Array;
private var numCount:Number = 0;
private var a:Number = 0;
private var rate:Number = .90;
private var currentRotation:Number = 500;
private var rotationInc:Number = .05;
private var mc:MovieClip
private var lowSound:MovieClip
private var middleSound:MovieClip
private var highSound:MovieClip
//
private var bmp:Bitmap;
private const BMD_WIDTH:int = stage.stageWidth;
private const BMD_HEIGHT:int = stage.stageHeight;
private var baseColor:uint = 0x000000;
private var baseBmd:BitmapData;
private var editBmd:BitmapData;
private var noiseBmd:BitmapData;
private var sandstormBmd:BitmapData;
private var sorce:DisplayObject;
private var baseMatrix:Matrix;
private var pointArray:Array;
private var randArray1:Array;
private var randArray2:Array;
private var randNum1:Number;
private var bmdUpNum:Number;
private var _bmp:Bitmap;
public function Main() {
mc=new MovieClip()
addChild(mc)
lowSound=new MovieClip()
mc.addChild(lowSound)
lowSound.x=stage.stageWidth/2
lowSound.y = stage.stageHeight / 2
middleSound=new MovieClip()
mc.addChild(middleSound)
middleSound.x=stage.stageWidth/2
middleSound.y = stage.stageHeight / 2
highSound=new MovieClip()
mc.addChild(highSound)
highSound.x=stage.stageWidth/2
highSound.y=stage.stageHeight/2
Security.loadPolicyFile("http://mutast.heteml.jp/crossdomain.xml");
snd.load(new URLRequest("http://mutast.heteml.jp/works/music/music.mp3"));
channel = snd.play();
this.addEventListener(Event.ENTER_FRAME, spectrum);
NoiseDisplay()
}
private function spectrum(event:Event):void {
if(++numCount%2 == 0) {
a = 0;
lowSound.graphics.clear();
middleSound.graphics.clear();
highSound.graphics.clear();
SoundMixer.computeSpectrum(ba,true,0);
currentRotation += rotationInc;
var radians:Number = 0;
if(currentRotation == 0) {
currentRotation = Math.random();
}
radians = currentRotation * Math.PI * 2;
//低音域付近
var numM:int=3
for(var i:Number = 0; i < 100; i+=numM) {
var sizeNum:Number=10
a = ba.readFloat();
var numX:Number = a*200;
var numY:Number = -a*stage.stageHeight;
lowSound.graphics.beginFill(0x0299FD|((a*500)*5 << 8),.75);
var radiusRotate:Number = 0;
var pointX:Number = (stage.stageWidth/3 * Math.cos(360/numM + (i/(100/numM))/numM * Math.PI * 2))+stage.stageWidth/2;
var pointY:Number = (stage.stageWidth/3 * Math.sin(360/numM + (i/(100/numM))/numM* Math.PI * 2))+stage.stageHeight/2;
lowSound.graphics.drawCircle(pointX-stage.stageWidth/2,pointY-stage.stageHeight/2,numX);
lowSound.scaleX=lowSound.scaleY=a*2
}
//中音域付近
numM=2
for(i = 100; i < 156; i+=numM) {
sizeNum=10
a = ba.readFloat();
numX = a*200;
numY = -a*stage.stageHeight;
middleSound.graphics.beginFill(Math.random()*0xFF0000|((a*500)*5 << 8),.75);
radiusRotate = 0;
pointX = (stage.stageWidth/3 * Math.cos(360/numM + (i/(56/numM))/numM * Math.PI * 2))+stage.stageWidth/2;
pointY = (stage.stageWidth/3 * Math.sin(360/numM + (i/(56/numM))/numM* Math.PI * 2))+stage.stageHeight/2;
middleSound.graphics.drawCircle(pointX-stage.stageWidth/2,pointY-stage.stageHeight/2,numX*2);
middleSound.scaleX=middleSound.scaleY=a*3
}
//高音域付近
numM=3
for(i = 156; i < 256; i+=numM) {
sizeNum=10
a = ba.readFloat();
numX = a*400;
numY = -a*stage.stageHeight;
highSound.graphics.beginFill(0xFF0000|((a*500)*5 << 8),.75);
radiusRotate = 0;
pointX = (stage.stageWidth/3 * Math.cos(360/numM + (i/(100/numM))/numM * Math.PI * 2))+stage.stageWidth/2;
pointY = (stage.stageWidth/3 * Math.sin(360/numM + (i/(100/numM))/numM* Math.PI * 2))+stage.stageHeight/2;
highSound.graphics.drawCircle(pointX-stage.stageWidth/2,pointY-stage.stageHeight/2,numX*2);
highSound.scaleX=highSound.scaleY=a*1
}
}
}
private function NoiseDisplay():void {
sorce = mc;
bmp = new Bitmap();
addChild(bmp);
baseBmd = new BitmapData(BMD_WIDTH, BMD_HEIGHT, false, baseColor);
editBmd = baseBmd.clone();
noiseBmd = baseBmd.clone();
sandstormBmd = baseBmd.clone();
baseMatrix = new Matrix();
pointArray = new Array(new Point(0, 0), new Point(0, 0), new Point(0, 0));
randArray1 = new Array(Math.random() + 1, Math.random() + 1, Math.random() + 1);
randArray2 = new Array(0, 0, 0);
randNum1 =0.5;
bmdUpNum = 0;
bmp.bitmapData = noiseBmd;
bmp.smoothing = true;
bmp.visible = false;
addEventListener(Event.ENTER_FRAME, upDate);
bmp.visible = true;
sorce.visible = false;
}
private function _onResize(e:Event):void {
var W:Number = stage.stageWidth;
var H:Number = stage.stageHeight;
baseMatrix = new Matrix();
baseMatrix.scale(BMD_WIDTH/W, BMD_HEIGHT/H);
bmp.scaleX = W/BMD_WIDTH;
bmp.scaleY = H/BMD_HEIGHT;
bmp.x = 0;
bmp.y = 0;
}
private var _keyCnt:Number = 0;
private function upDate(e:Event):void {
var copy_bmd:BitmapData = baseBmd.clone();
copy_bmd.draw(sorce, baseMatrix);
editBmd = copy_bmd.clone();
for (var i:int = 0; i < 3; i++) {
if (randArray1[i] >= 1){
--randArray1[i];
randArray2[i] = Math.random() / 4 + 0.03;
}
randArray1[i] = randArray1[i] + randArray2[i];
_keyCnt += (48-_keyCnt) / 4;
pointArray[i].x = Math.ceil(Math.sin(randArray1[i] * Math.PI * 2) * randArray2[i] * _keyCnt*2);
pointArray[i].y = 0;
}
var keyNum:Number = 1*(Math.abs(pointArray[0].x) + Math.abs(pointArray[1].x) + Math.abs(pointArray[2].x) + 8) / 4;
i = BMD_HEIGHT;
while (i--){
var offset:Number = Math.sin(i / BMD_HEIGHT * (Math.random() / 8 + 1) * 1.3 * Math.PI * 2)* 1.3 * keyNum * keyNum;
editBmd.copyPixels(copy_bmd, new Rectangle(offset, i, BMD_WIDTH - offset, 1), new Point(0, i));
}
sandstormBmd.noise(int(Math.random() * 1000), 0, 255, 7, false);
var sandNum:Number = 10;
editBmd.merge(sandstormBmd, editBmd.rect, new Point(0,0), sandNum, sandNum, sandNum, 0);
noiseBmd.copyChannel(editBmd, noiseBmd.rect, pointArray[0], BitmapDataChannel.RED, BitmapDataChannel.RED);
noiseBmd.copyChannel(editBmd, noiseBmd.rect, pointArray[1], BitmapDataChannel.GREEN, BitmapDataChannel.GREEN);
noiseBmd.copyChannel(editBmd, noiseBmd.rect, pointArray[2], BitmapDataChannel.BLUE, BitmapDataChannel.BLUE);
}
}
}