Sphere with sound
Music by essbe http://twitter.com/#!/essbe
/**
* Copyright bongiovi015 ( http://wonderfl.net/user/bongiovi015 )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/sPx7
*/
package {
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.GradientType;
import flash.display.Shape;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.IOErrorEvent;
import flash.events.ProgressEvent;
import flash.filters.BlurFilter;
import flash.filters.DropShadowFilter;
import flash.geom.ColorTransform;
import flash.geom.Matrix;
import flash.geom.Point;
import flash.geom.Rectangle;
import flash.geom.Vector3D;
import flash.media.Sound;
import flash.media.SoundChannel;
import flash.media.SoundLoaderContext;
import flash.media.SoundMixer;
import flash.net.URLRequest;
import flash.system.Security;
import flash.utils.ByteArray;
public class WonderSphere2 extends Sprite {
//--------------------------------------
// CLASS CONSTANTS
//--------------------------------------
private static const POLICY_FILE:String = "http://www.bongiovi.tw/crossdomain.xml";
private static const SOUND_FILE:String = "http://www.bongiovi.tw/wonderfl/essbe/House_Me.mp3";
public static const W : int = 465;
public static const R : int = 150;
public static const RECT : Rectangle = new Rectangle(0, 0, W, W);
public static const COLORS : Array = [0x587b7C, 0x719b9E, 0x9FC1BE, 0xE0D9BB, 0xDACB94, 0xCABA88, 0xDABD55, 0xC49F32, 0xA97409];
public static const SEED : int = Math.floor( Math.random() * 0xFFFF );
public static const ROTATION : Number = 1;
public static const CTRANS : ColorTransform = new ColorTransform(.9, .9, .9, .8);
public static const BLUR : BlurFilter = new BlurFilter(3, 3, 1);
private var __bmpd : BitmapData = new BitmapData(W, W, true, 0x00000000);
private var __bmpdPerlin : BitmapData;
private var __particles : Vector.<Particle> = new Vector.<Particle>();
private var __sContainer : Shape = new Shape;
private var __sound : Sound = new Sound;
private var __soundChannel : SoundChannel;
private var __bytes : ByteArray = new ByteArray();
private var __sLoading : Shape = new Shape;
//--------------------------------------
// CONSTRUCTOR
//--------------------------------------
/**
* @constructor
*/
public function WonderSphere2(){
// Security.loadPolicyFile(POLICY_FILE);
var mtx:Matrix = new Matrix;
mtx.createGradientBox(W, W);
graphics.beginGradientFill(GradientType.RADIAL, [0x1e1506, 0x000000], [1, 1], [25, 255], mtx);
graphics.drawRect(0, 0, W, W);
graphics.endFill();
addChild(__sLoading);
__sound.addEventListener(Event.COMPLETE, __onSoundLoaded);
__sound.addEventListener(ProgressEvent.PROGRESS, __onProgress);
__sound.addEventListener(IOErrorEvent.IO_ERROR, function(e:IOErrorEvent) : void { trace("Error Loading Sound File"); });
__sound.load(new URLRequest(SOUND_FILE), new SoundLoaderContext(10000, true));
}
private function __onProgress(e:ProgressEvent) : void {
__sLoading.graphics.clear();
__sLoading.y = 465 / 2;
__sLoading.graphics.beginFill(0xFFFFFF, 1);
__sLoading.graphics.drawRect(0, 0, 465 * e.bytesLoaded / e.bytesTotal, 1);
__sLoading.graphics.endFill();
}
private function __onSoundLoaded(e:Event) : void {
__sound.removeEventListener(ProgressEvent.PROGRESS, __onProgress);
removeChild(__sLoading);
addChild(new Bitmap(__bmpd));
__initPerlin();
__initParticles();
__soundChannel = __sound.play();
__soundChannel.addEventListener(Event.SOUND_COMPLETE, function(e:Event) : void {__soundChannel = __sound.play(); } );
addEventListener(Event.ENTER_FRAME, render);
}
public function render(e:Event) : void {
SoundMixer.computeSpectrum(__bytes, true);
var ary:Array = [];
for (var j:int = 0; j < 128; j++){
ary[j] = __bytes.readFloat();
}
__sContainer.graphics.clear();
var p:Particle;
var pos:Vector3D;
var tx:Number, ty:Number;
const ROTATION:Number = .5;
var count:int = 0;
for each ( p in __particles) {
p.matrix.appendRotation(ROTATION*.5, Vector3D.X_AXIS);
p.matrix.appendRotation(ROTATION, Vector3D.Y_AXIS);
pos = p.matrix.position;
if(pos.z > 0) {
var bColor:uint = brightnessColor(p.color, 1 - Math.sqrt( Math.pow(pos.x, 2) + Math.pow(pos.y, 2) ) / 250);
__sContainer.graphics.beginFill(bColor);
__sContainer.graphics.drawCircle(pos.x+W*.5, pos.y+W*.5, p.length + 2*ary[p.angle]);
__sContainer.graphics.endFill();
}
count ++;
}
__bmpd.lock();
__bmpd.applyFilter(__bmpd, RECT, new Point, BLUR);
__bmpd.colorTransform(RECT, CTRANS);
__bmpd.draw(__sContainer);
__bmpd.unlock();
}
private function __initParticles() : void {
const DIS:int = 72;
const TOTAL:int = 360 / DIS;
var i:int, j:int;
var pos:Vector3D;
var tx:Number, ty:Number;
for (j=0; j<DIS*.5; j++ ) {
for (i=0; i<DIS; i++ ) {
var p:Particle = new Particle();
p.matrix.identity();
p.matrix.appendTranslation(R, 0, 0);
p.matrix.appendRotation(i*TOTAL, Vector3D.Z_AXIS);
p.matrix.appendRotation(j*TOTAL, Vector3D.Y_AXIS);
p.mtxOrg.appendTranslation(R, 0, 0);
p.mtxOrg.appendRotation(i*TOTAL, Vector3D.Z_AXIS);
p.mtxOrg.appendRotation(j*TOTAL, Vector3D.Y_AXIS);
p.length = .5;
p.color = getRandomColorFrom(COLORS);
if(i <= 18) p.angle = i;
else if ( i <= 36 ) p.angle = 36 - i;
else if ( i <= 54 ) p.angle = i - 18;
else p.angle = 72 - i + 18;
__particles.push(p);
}
}
}
private function __initPerlin(e:Event=null) : void {
if(__bmpdPerlin == null) __bmpdPerlin = new BitmapData(W*.5, W*.5);
__bmpdPerlin.perlinNoise(W*.5, W*.5, 8, SEED, false, true, 4);
}
public static function getRandomColor(colors:Array) : uint { return colors[int(Math.random() * colors.length)]; }
public static function getRandomColorFrom(colors:Array) : uint { return colors[int(Math.random() * colors.length)]; }
public static function brightnessColor(color:uint, level:Number) : uint {
var a:uint = color >> 24 & 0xFF;
var r:uint = color >> 16 & 0xFF;
var g:uint = color >> 8 & 0xFF;
var b:uint = color & 0xFF;
r *= level;
g *= level;
b *= level;
if(r > 0xFF) r = 0xFF;
if(g > 0xFF) g = 0xFF;
if(b > 0xFF) b = 0xFF;
var newColor:uint = a << 24 | r << 16 | g << 8 | b;
return newColor;
}
}
}
import flash.geom.Matrix3D;
class Particle {
public var matrix : Matrix3D = new Matrix3D;
public var mtxOrg : Matrix3D = new Matrix3D;
public var color : uint;
public var angle : Number;
public var length : Number;
}