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Dead Code Preservation :: Archived AS3 works from wonderfl.net

forked from: BRE ver0.1

import flash.media.Sound;
import flash.net.URLRequest;
import com.bit101.components.Label;

@author k3lab
Get Adobe Flash player
by Mier.Soleil 20 Jun 2012
/**
 * Copyright Mier.Soleil ( http://wonderfl.net/user/Mier.Soleil )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/eHGv
 */

// forked from k3lab's BRE ver0.1
// forked from checkmate's Saqoosha challenge for amateurs
package {
    import flash.display.*;
    import flash.events.*;
    import flash.filters.*;
    import flash.geom.*;
    //import flash.media.Sound;
    //import flash.net.URLRequest;
    import flash.utils.getTimer;
    //import com.bit101.components.Label;
    /**
     * 
     * @author k3lab
     */
    [SWF(width="1280", height="720", frameRate="60")] 
    public class Main extends Sprite {
        private static const PARTICLE_NUM:int = 500;
        private static const SPRING:Number = 0.18;
        private static const FRICTION:Number = 0.75;
        
        private var canvas:BitmapData; 
        private var clones:BitmapData;
        
        private var pArr:Array = [];
        private var volArr:Array = []
        private var colorArr:Array = []
        
        private var clt:ColorTransform = new ColorTransform(1, 1, 1, 1, 0, -10, -10, -10);
        private var sp:Sprite;
        private var trail:Sprite;
        
        private var vx:Number = 0;
        private var vy:Number = 0;
        private var ratio:Number = 0;
        
        private var grad:Gradation;
        
        public function Main():void {
            if (stage) init();
            else addEventListener(Event.ADDED_TO_STAGE, init);
        }
        private function init(e:Event = null):void {
            removeEventListener(Event.ADDED_TO_STAGE, init);
            //BGM
          //  var sound:Sound = new Sound (new URLRequest ("http://www.k3lab.com/wonderfl/Euphoria/bgm.mp3"));  
           // sound.play (0, int.MAX_VALUE); 
            
            canvas = new BitmapData(1280, 720, false, 0x00000000);    
            clones = canvas.clone(); 
            addChild(new Bitmap(clones)) as Bitmap; 
            grad = new Gradation(0xff0000, 0x00ff00, 0x0000ff);
            var a:Number = 0;
            sp = addChild(new Sprite()) as Sprite;
            sp.blendMode = "screen";
            for (var i:int = 0; i < PARTICLE_NUM; i++) {
                a += 0.2
                var p:Particle =sp.addChild(new Particle()) as Particle;
                p._x = 240 * Math.sin(a);
                p._y  = 240 * Math.cos(a);
                p._z = 0;
                pArr[i] = p
                p.draw(grad.getColor(i / PARTICLE_NUM), 0.6,  Math.random() * 0.6);
            }
            //******************************************
            //付属品
            mouseTrail();
            createBg();
       //     createHeader();
        //    createBar();
        //    createVolume();
            //******************************************
            addEventListener(Event.ENTER_FRAME, loop);
        }
        //************************************************************
        //マウストレイル
        private function mouseTrail():void {
            
            trail = addChild(new Sprite()) as Sprite;
            trail.graphics.beginFill(0xFFFFFF);
            //trail.graphics.drawRect( -10, 0, 20, 1);
            //trail.graphics.drawRect(0 , -10, 1, 20);
            trail.graphics.endFill();
            
            var circles:Sprite=trail.addChild(new Sprite()) as Sprite;
            circles.graphics.beginFill(0xFFFFFF);
            //circles.graphics.drawRect( -465, 0, 1030, 1);
            //circles.graphics.drawRect( 0, -465, 1, 1030);
            circles.graphics.endFill();
            circles.alpha = 0.2;    
        }
        //全体のBG
        private function createBg():void {
            var pattern:BitmapData = background()
            var bg:Sprite = addChild(new Sprite()) as Sprite;
            bg.graphics.beginBitmapFill(pattern);
            bg.graphics.drawRect(0, 0, 1280, 720)
            bg.graphics.endFill();
            bg.alpha = 0.3;
        }
        /*
        //上のTitle&BG
        private function createHeader():void {
            var tbg:Sprite = addChild(new Sprite()) as Sprite;
            tbg.graphics.beginFill(0);
            tbg.graphics.drawRect( 0, 0, 1280, 18);
            tbg.graphics.endFill();
        //    var title:Label = new Label(this, 147, 0, "Barrage of Rainbow Exploration ver.0.1"); 
           // title.blendMode = "invert"
        }
        //左上のColor Bar
        private function createBar():void {
            var cl:Array = [0xff0000, 0x00ff00, 0x0000ff]
            var clsp:Sprite = addChild(new Sprite()) as Sprite;
            for (var i:int = 0; i < 3; i++) {
                var colors:Sprite = clsp.addChild(new Sprite()) as Sprite;
                colors.graphics.beginFill(cl[i]);
                colors.graphics.drawRect( 0, 0, 10,10);
                colors.graphics.endFill();
                colors.x = 11 * i;
            }
            clsp.x = 4;
            clsp.y = 4;
        }
        //右上のvoloume
       
        private function createVolume():void {
            var volsp:Sprite = addChild(new Sprite()) as Sprite;
            for (var i:int = 0; i < 7; i++) {
                var vol:Sprite = volsp.addChild(new Sprite()) as Sprite;
                vol.graphics.beginFill(0xFFFFFF);
                vol.graphics.drawRect( 0, 0, 1, -10);
                vol.graphics.endFill();
                vol.x=2*i
                volArr[i] = vol;
            }
            volsp.x = stage.stageWidth - volsp.width - 5;
            volsp.y = 15;
        }
        */
        private function voloop():void {
            for each(var v:Sprite in volArr) {
                v.height = Math.sin(getTimer() / 500 * Math.random() * 5) * 10;
            }    
        }
         
        private function trailoop():void {
            vx += (mouseX - trail.x) * SPRING;
            vy += (mouseY - trail.y) * SPRING;
            vx *= FRICTION;
            vy *= FRICTION;
            trail.x += int(vx);
            trail.y += int(vy);
        }
        //************************************************************
        private function loop(e:Event):void {
            voloop();
            trailoop();
            var zp:Number = 0;
            var i:int;
            for each(var p:Particle in pArr) {
                var xa:Number = Math.sin(Math.PI * (getTimer()+i*100) % 30000 / 30000 * 360 / 180) / 20;
                var ya:Number = Math.sin(Math.PI * (getTimer()+i*100) % 1500 / 1500 * 360 / 180) / 20;
                var yp:Number = p._y * Math.cos(ya) -p._z * Math.sin(ya);
                zp =p._y * Math.sin(ya) + p._z * Math.cos(ya);
                var xp:Number = p._x * Math.cos(xa) + zp * Math.sin(xa);
                zp = ( -p._x) * Math.sin(xa) + zp * Math.cos(xa);
                p._x = xp;
                p._y = yp;
                p._z = zp;
                p.alpha = Math.random() * 1;
                (p._z < -95)?p.visible = false:p.visible = true;
                ratio = 1 / (p._z /100 + 1)
                var num:Number = 0;
                p.scaleY = num = ratio * 7;
                p.scaleX = num;
                p.x += (p._x * ratio + (mouseX) - p.x) / 10;
                p.y += (p._y * ratio +( mouseY) - p.y) / 10;
                canvas.setPixel(p.x, p.y, grad.getColor(i /PARTICLE_NUM)); 
                i++;
            }
            clones.lock(); 
            canvas.lock();
            canvas.draw(sp)
            clones.merge(canvas, canvas.rect, new Point(),zp/10,zp/100, zp*10,0.5);
            clones.draw(canvas, null, new ColorTransform(100 * zp, 10, 10), "add");
            canvas.applyFilter(canvas, canvas.rect, new Point(0, 0), new BlurFilter(20, 20, 1)); 
            clones.scroll(0, 1);
            clones.colorTransform(clones.rect, clt); 
            canvas.colorTransform(canvas.rect, clt);
            clones.unlock(); 
            canvas.unlock();            
        }
        public function background():BitmapData{ 
            return BitmapPatternBuilder.build( 
                [[1, 0, 0], 
                [0, 1, 0],
                [0, 0, 1]],
                [0xFF000000, 0xffffffff] 
            ); 
        } 
    }
}

import flash.display.Graphics;
import flash.display.Sprite;
class Particle extends Sprite {
    public var _x:Number=0;
    public var _y:Number=0;
    public var _z:Number=0;
    public function draw(color:int, alpha:Number, size:Number):void {
        graphics.beginFill(color, alpha);
        graphics.drawCircle(0, 0, size);
        graphics.endFill();
    }
}

import frocessing.color.ColorLerp;

import org.libspark.betweenas3.core.easing.IEasing;
import org.libspark.betweenas3.easing.Linear;

class Gradation {
    
    private var _colors:Array;
    private var _easing:IEasing;
    
    public function Gradation(...args) {
        _colors = args.concat();
        _easing = Linear.linear
    }
    
    public function setEasing(easing:IEasing):void {
        _easing = easing;
    }
    
    public function getColor(position:Number):uint {
        position = (position < 0 ? 0 : position > 1 ? 1 : position) * (_colors.length - 1);
        var idx:int = position;
        var alpha:Number = _easing.calculate(position - idx, 0, 1, 1);
        if (alpha == 0) {
            return _colors[idx];
        } else {
            return ColorLerp.lerp(_colors[idx], _colors[idx + 1], alpha);
        }
    }
}


/**-----------------------------------------------------
 * @see http://wonderfl.net/code/5f88476bd21cac4d45ad2086af2333782a5d3cb8
 * ----------------------------------------------------- 
*/ 
import flash.display.Bitmap; 
import flash.display.BitmapData; 
import flash.display.Graphics; 
     
class BitmapPatternBuilder{ 
    /** 
     * creates BitmapData filled with dot pattern. 
     * First parameter is 2d array that contains color index for each pixels; 
     * Second parameter contains color reference table. 
     * 
     * @parameter pattern:Array 2d array that contains color index for each pixel. 
     * @parameter colors:Array 1d array that contains color table. 
     * @returns BitmapData 
     */ 
    public static function build(pattern:Array, colors:Array):BitmapData{ 
        var bitmapW:int = pattern[0].length; 
        var bitmapH:int = pattern.length; 
        var bmd:BitmapData = new BitmapData(bitmapW,bitmapH,true,0x000000); 
        for(var yy:int=0; yy<bitmapH; yy++){ 
            for(var xx:int=0; xx<bitmapW; xx++){ 
                var color:int = colors[pattern[yy][xx]]; 
                bmd.setPixel32(xx, yy, color); 
            } 
        } 
        return bmd; 
    } 
     
    /** 
     * short cut function for Graphics.beginBitmapFill with pattern. 
     */ 
    public static function beginBitmapFill(pattern:Array, colors:Array, graphics:Graphics):void{ 
        var bmd:BitmapData = build(pattern, colors); 
        graphics.beginBitmapFill(bmd); 
        bmd.dispose();         
    } 
}