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

Fireworks (2)

//////////////////////////////////////////////////////////////////////////////
[AS3.0] ドットの光 (8)
http://www.project-nya.jp/modules/weblog/details.php?blog_id=1097
画面クリックで花火があがるよ。
//////////////////////////////////////////////////////////////////////////////
Get Adobe Flash player
by ProjectNya 10 Aug 2010
/**
 * Copyright ProjectNya ( http://wonderfl.net/user/ProjectNya )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/beDw
 */

// forked from ProjectNya's Fireworks
////////////////////////////////////////////////////////////////////////////////
// [AS3.0] ドットの光 (8)
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=1097
// 画面クリックで花火があがるよ。
////////////////////////////////////////////////////////////////////////////////

package {

    import flash.display.Sprite;
    import flash.display.Shape;
    import flash.geom.Rectangle;
    import flash.events.MouseEvent;
    import flash.text.TextField;
    import flash.text.TextFieldType;
    import flash.text.TextFormat;
    import flash.text.TextFormatAlign;

    [SWF(backgroundColor="#000000", width="465", height="465", frameRate="30")]

    public class Main extends Sprite {
        private var light:DotLight;
        private var counter:TextField;
        private var clicked:uint = 0;

        public function Main() {
            Wonderfl.capture_delay(8);
            init();
        }

        private function init():void {
            graphics.beginFill(0x000000);
            graphics.drawRect(0, 0, 465, 455);
            graphics.beginFill(0x001133);
            graphics.drawRect(0, 450, 465, 15);
            graphics.endFill();
            light = new DotLight(new Rectangle(0, 0, 465, 450));
            addChild(light);
            stage.addEventListener(MouseEvent.CLICK, launch, false, 0, true);
            counter = new TextField();
            addChild(counter);
            counter.x = 365;
            counter.width = 100;
            counter.type = TextFieldType.DYNAMIC;
            counter.selectable = false;
            var tf:TextFormat = new TextFormat();
            tf.size = 10;
            tf.align = TextFormatAlign.RIGHT;
            counter.defaultTextFormat = tf;
            counter.textColor = 0xFFFFFF;
            counter.text = String(clicked);
        }
        private function launch(evt:MouseEvent):void {
            light.launch();
            clickedup();
        }
        private function clickedup():void {
            clicked ++;
            counter.text = String(clicked);
        }

    }

}


import flash.display.Sprite;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.PixelSnapping;
import flash.display.BlendMode;
import flash.geom.Matrix;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.geom.ColorTransform;
import flash.filters.BlurFilter;
import flash.events.Event;

class DotLight extends Sprite {
    private var rect:Rectangle;
    private var canvas:BitmapData;
    private var glow:BitmapData;
    private var sky:BitmapData;
    private var sparkle:BitmapData;
    private var afterglow:BitmapData;
    private static var scale:uint = 4;
    private var gMatrix:Matrix;
    private var sMatrix:Matrix;
    private var aMatrix:Matrix;
    private var colorTrans:ColorTransform;
    private var blur:BlurFilter;
    private var light:EmitLight;
    private var fireworks:Array;
    private var garbage:Array;
    private var colorList:Array;

    public function DotLight(r:Rectangle) {
        rect = r;
        init();
    }

    private function init():void {
        sky = new BitmapData(rect.width, rect.height, false, 0xFF000000);
        var bitmap:Bitmap = new Bitmap(sky);
        addChild(bitmap);
        sparkle = new BitmapData(rect.width/scale, rect.height/scale, false, 0xFF000000);
        var sBitmap:Bitmap = new Bitmap(sparkle);
        sBitmap.smoothing = true;
        sBitmap.blendMode = BlendMode.ADD;
        sBitmap.scaleX = sBitmap.scaleY = scale;
        addChild(sBitmap);
        afterglow = new BitmapData(rect.width*2/scale, rect.height*2/scale, false, 0xFF000000);
        var aBitmap:Bitmap = new Bitmap(afterglow, PixelSnapping.AUTO, true);
        aBitmap.blendMode = BlendMode.ADD;
        aBitmap.scaleX = aBitmap.scaleY = scale/2;
        addChild(aBitmap);
        canvas = new BitmapData(rect.width, 20, false, 0xFF000000);
        var cBitmap:Bitmap = new Bitmap(canvas);
        cBitmap.y = rect.height - 20;
        addChild(cBitmap);
        glow = new BitmapData(rect.width/scale, 20/scale, false, 0xFF000000);
        var gBitmap:Bitmap = new Bitmap(glow, PixelSnapping.NEVER, true);
        gBitmap.scaleX = gBitmap.scaleY = scale;
        gBitmap.blendMode = BlendMode.ADD;
        gBitmap.y = rect.height - 20;
        addChild(gBitmap);
        sMatrix = new Matrix(1/scale, 0, 0, 1/scale, 0, 0);
        aMatrix = new Matrix(2/scale, 0, 0, 2/scale, 0, 0);
        colorTrans = new ColorTransform(0.05, 0.05, 0.05);
        blur = new BlurFilter(2, 2, 1);
        gMatrix = new Matrix(1/scale, 0, 0, 1/scale, 0, 0);
        light = new EmitLight(canvas);
        fireworks = new Array();
        garbage = new Array();
        colorList = new Array();
        colorList.push([-30, 12]);
        colorList.push([0, 60]);
        colorList.push([48, 60]);
        colorList.push([60, 120]);
        colorList.push([300, 270]);
        colorList.push([180, 240]);
        addEventListener(Event.ENTER_FRAME, draw, false, 0, true);
    }
    public function launch():void {
        var firework:Fireworks = new Fireworks(sky);
        firework.id = fireworks.length;
        var colors:Array = colorList[Math.floor(Math.random()*colorList.length)];
        firework.create(colors);
        firework.addEventListener(Fireworks.COMPLETE, complete, false, 0, true);
        fireworks.push(firework);
    }
    private function draw(evt:Event):void {
        light.create(10);
        canvas.lock();
        canvas.fillRect(canvas.rect, 0x00000000);
        light.emit();
        canvas.unlock();
        if (fireworks.length > 0) {
        sky.lock();
        sky.fillRect(sky.rect, 0x00000000);
        if (garbage.length > 0) remove();
        for (var n:uint = 0; n < fireworks.length; n++) {
            var firework:Fireworks = fireworks[n];
            firework.emit();
        }
        sky.unlock();
        sparkle.lock();
        sparkle.fillRect(sparkle.rect, 0x00000000);
        sparkle.draw(sky, sMatrix);
        sparkle.unlock();
        }
        glow.lock();
        glow.draw(canvas, gMatrix);
        glow.unlock();
        afterglow.lock();
        afterglow.draw(sky, aMatrix, colorTrans, BlendMode.ADD);
        afterglow.applyFilter(afterglow, afterglow.rect, new Point(), blur);
        afterglow.unlock();
    }
    private function complete(evt:Event):void {
        var firework:Fireworks = Fireworks(evt.target);
        firework.removeEventListener(Fireworks.COMPLETE, complete);
        garbage.push(firework.id);
    }
    private function remove():void {
        for (var n:uint = 0; n < garbage.length; n++) {
        var id:uint = garbage[n];
        var firework:Fireworks = fireworks[id];
        firework = null;
        fireworks.splice(id, 1);
        }
        reset();
    }
    private function reset():void {
        for (var n:uint = 0; n < fireworks.length; n++) {
        var firework:Fireworks = fireworks[n];
        firework.id = n;
        }
        garbage = new Array();
    }

}


import flash.display.BitmapData;
import flash.geom.Rectangle;
import frocessing.color.ColorHSV;

class EmitLight {
    private var canvas:BitmapData;
    private var rect:Rectangle;
    private var dots:Array;
    private static var deceleration:Number = 0.1;
    private var color:ColorHSV;

    public function EmitLight(c:BitmapData) {
        canvas  = c;
        rect = canvas.rect;
        init();
    }

    private function init():void {
        dots = new Array();
        color = new ColorHSV(0, 0.4);
    }
    public function create(max:uint):void {
        for (var n:uint = 0; n < max; n++) {
            var px:Number = Math.random()*rect.width;
            var py:Number = rect.height - Math.random()*5;
            var energy:Number = Math.random() + 0.5;
            var dot:Dot = new Dot(px, py, energy);
            color.h = Math.random()*360;
            dot.rgb = color.value;
            dots.push(dot);
        }
    }
    public function emit():void {
        for (var n:uint = 0; n < dots.length; n++) {
            var dot:Dot = dots[n];
            dot.energy -= deceleration;
            canvas.setPixel(dot.x, dot.y, dot.rgb);
            if (dot.energy < 0) {
                dots.splice(n, 1);
                dot = null;
            }
        }
    }

}



import flash.events.EventDispatcher;
import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.events.Event;
import frocessing.color.ColorHSV;

class Fireworks extends EventDispatcher {
    public var id:uint;
    private var sky:BitmapData;
    private var rect:Rectangle;
    private var launcher:Dot;
    private var dots:Array;
    private static var speed:Number = 10;
    private static var deceleration:Number = 0.95;
    private static var gravity:Number = 0.05;
    private var color:ColorHSV;
    private var colors:Array;
    private static var length:Number = 2;
    private var manager:Bresenham;
    public var emit:Function;
    private var se:SoundEffect;
    private var source:String = "http://www.project-nya.jp/images/flash/explosion.mp3";
    public static const COMPLETE:String = Event.COMPLETE;

    public function Fireworks(s:BitmapData) {
        sky  = s;
        rect = sky.rect;
        init();
    }

    private function init():void {
        dots = new Array();
        color = new ColorHSV(0, 0.4);
        manager = new Bresenham(sky);
        emit = ready;
        se = new SoundEffect();
        //se.init(Explosion, "explosion");
        se.load(source, "explosion");
    }
    public function create(list:Array):void {
        colors = list;
        var px:Number = (0.2 + Math.random()*0.6)*rect.width;
        launcher = new Dot(px, rect.height);
        launcher.vy = - speed*(1 + Math.random()*0.1);
        color.h = colors[0];
        launcher.rgb = color.value;
        emit = launch;
    }
    private function ready():void {
    }
    private function launch():void {
        launcher.vy += gravity;
        launcher.y += launcher.vy;
        sky.setPixel(launcher.x, launcher.y, launcher.rgb);
        if (Math.abs(launcher.vy) < 9) {
            explode(200, new Point(launcher.x, launcher.y), launcher.rgb);
            launcher = null;
        }
    }
    private function explode(max:uint, point:Point, rgb:uint):void {
        for (var n:uint = 0; n < max; n++) {
            var energy:Number = Math.random()*5;
            var angle:Number = Math.random()*360;
            var dot:Dot = new Dot(point.x, point.y, energy, angle);
            dot.velocity = Math.random()*5;
            dot.vx = Math.cos(dot.angle*Math.PI/180)*dot.velocity;
            dot.vy = Math.sin(dot.angle*Math.PI/180)*dot.velocity;
            dot.px = dot.x;
            dot.py = dot.y;
            dot.rgb = rgb;
            dots.push(dot);
        }
        emit = spread;
        se.play("explosion", 0.6);
    }
    private function spread():void {
        for (var n:uint = 0; n < dots.length; n++) {
            var dot:Dot = dots[n];
            dot.vx *= deceleration;
            dot.vy *= deceleration;
            dot.vy += gravity;
            dot.x += dot.vx;
            dot.y += dot.vy;
            dot.energy *= deceleration;
            var x0:int = dot.x;
            var y0:int = dot.y;
            var x1:int = dot.x - (dot.x - dot.px)*length;
            var y1:int = dot.y - (dot.y - dot.py)*length;
            color.h = colors[1] + (colors[0] - colors[1])*dot.energy*0.2;
            dot.rgb = color.value;
            manager.draw(x0, y0, x1, y1, dot.rgb, 1);
            dot.px = dot.x;
            dot.py = dot.y;
            if (dot.energy < 0.05) {
                dots.splice(n, 1);
                dot = null;
                if (dots.length < 1) {
                    dispatchEvent(new Event(Fireworks.COMPLETE));
                }
            }
        }
    }

}


class Dot {
    public var x:Number = 0;
    public var y:Number = 0;
    public var vx:Number = 0;
    public var vy:Number = 0;
    public var px:Number = 0;
    public var py:Number = 0;
    public var energy:Number = 1;
    public var angle:Number = 0;
    public var velocity:Number = 1;
    public var rgb:uint = 0xFFFFFF;

    public function Dot(_x:Number, _y:Number, e:Number = 1, a:Number = 0):void {
        x = _x;
        y = _y;
        energy = e;
        angle = a;
    }

}


import flash.display.BitmapData;

class Bresenham {

    private var canvas:BitmapData;

    public function Bresenham(c:BitmapData) {
        canvas = c;
    }

    public function draw(x0:int, y0:int, x1:int, y1:int, color:uint, alpha:Number):void {
        var steep:Boolean = Math.abs(y1 - y0) > Math.abs(x1 - x0);
        var t:int;
        if (steep) {
            t = x0;
            x0 = y0;
            y0 = t;
            t = x1;
            x1 = y1;
            y1 = t;
        }
        if (x0 > x1) {
            t = x0;
            x0 = x1;
            x1 = t;
            t = y0;
            y0 = y1;
            y1 = t;
        }
        var dx:int = x1 - x0;
        var dy:int = Math.abs(y1 - y0);
        var e:int = dx*0.5;
        var ys:int = (y0 < y1) ? 1 : -1;
        var y:int = y0;
        for (var x:int = x0; x <= x1; x++) {
            if (steep) {
                plot(y, x, color, alpha);
            } else {
                plot(x, y, color, alpha);
            }
            e = e - dy;
            if (e < 0) {
                y = y + ys;
                e = e + dx;
            }
        }
    }
    private function plot(x:int, y:int, c:uint, a:Number):void {
        canvas.setPixel32(x, y, c | ((a*0xFF) << 24));
    }

}


import flash.events.EventDispatcher;
import flash.events.Event;
import flash.events.ProgressEvent;
import flash.media.Sound;
import flash.media.SoundChannel;
import flash.media.SoundTransform;
import flash.events.ProgressEvent;
import flash.net.URLRequest;

class SoundEffect extends EventDispatcher {
    private static var soundList:Object;
    private var sound:Sound;
    private var channel:SoundChannel;
    private static var initialized:Boolean = false;
    private var volume:Number;
    private var looping:Boolean = false;

    public function SoundEffect() {
        if (!initialized) initialize();
    }

    private static function initialize():void {
        initialized = true;
        soundList = new Object();
    }
    public function init(Snd:Class, id:String):void {
        var snd:Sound = new Snd();
        soundList[id] = snd;
    }
    public function load(file:String, id:String):void {
        var snd:Sound = new Sound();
        snd.load(new URLRequest(file));
        snd.addEventListener(ProgressEvent.PROGRESS, progress, false, 0, true);
        snd.addEventListener(Event.COMPLETE, loaded, false, 0, true);
        soundList[id] = snd;
    }
    public function play(id:String, vol:Number, loop:Boolean = false):void {
        if (channel != null) channel.stop();
        sound = soundList[id];
        volume = vol;
        looping = loop;
        channel = sound.play();
        var transform:SoundTransform = channel.soundTransform;
        transform.volume = volume;
        channel.soundTransform = transform;
        if (looping) {
            channel.addEventListener(Event.SOUND_COMPLETE, complete, false, 0, true);
        }
    }
    public function stop():void {
        if (channel != null) {
            channel.stop();
            channel.removeEventListener(Event.SOUND_COMPLETE, complete);
        }
    }
    private function progress(evt:ProgressEvent):void {
        dispatchEvent(evt);
    }
    private function loaded(evt:Event):void {
        dispatchEvent(evt);
    }
    private function complete(evt:Event):void {
        channel.removeEventListener(Event.SOUND_COMPLETE, complete);
        if (looping) {
            channel = sound.play(0);
            channel.addEventListener(Event.SOUND_COMPLETE, complete, false, 0, true);
            var transform:SoundTransform = channel.soundTransform;
            transform.volume = volume;
            channel.soundTransform = transform;
        }
    }

}