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

bit.rise in silico (forked from: bit.fall in silico)

bit.fall in silico
julius popp というアーチストの作品 "bit.fall" を ActionScript 3.0 でそれっぽくコーディング
参照:http://www.youtube.com/watch?v=ygQHj1W0PPM
パーティクル周りのコーディングは Saqoosha さんの "snow(Dictionary 版)" がベース
http://wonderfl.kayac.com/code/e07aa63c21f14e579ec1c929340c4f4de520be28
// forked from Aquioux's bit.fall in silico
// bit.fall in silico
// julius popp というアーチストの作品 "bit.fall" を ActionScript 3.0 でそれっぽくコーディング
// 参照:http://www.youtube.com/watch?v=ygQHj1W0PPM
// パーティクル周りのコーディングは Saqoosha さんの "snow(Dictionary 版)" がベース
// http://wonderfl.kayac.com/code/e07aa63c21f14e579ec1c929340c4f4de520be28
package {
	/**
	 * @author YOSHIDA, Akio
	 */
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.events.TimerEvent;
	import flash.net.URLLoader;
	import flash.net.URLRequest;
	import flash.utils.Timer;
	import flash.utils.Dictionary; 
	import flash.system.Security;
	import flash.text.TextField;
	import flash.text.TextFormat;
	import flash.text.TextFieldAutoSize;
	[SWF(width = 465, height = 465, backgroundColor = 0x000000, frameRate = 120)]

	public class Main extends Sprite {
		private static const GRAVITY:Number = 9.8;
		private static const DERAY:Number   = 8.39;	// (1 / frameRate) * 1000 を基準に;
		
		private var urlLoader:URLLoader;
		private var canvas:BitmapData;
		private var data:Array;
		private var aryDisplayData:Array;
		private var dicParticle:Dictionary = new Dictionary();
		private var timer:Timer;
		
		private var current:uint = 0;

		private var sign:TextField;	// サイン表示
		
		public function Main() {
			Security.loadPolicyFile("http://5ivestar.org/proxy/crossdomain.xml");
			urlLoader = new URLLoader();
			urlLoader.addEventListener(Event.COMPLETE, loadCompletehandler);
			urlLoader.load(new URLRequest("http://5ivestar.org/proxy/http://homepage3.nifty.com/aquioux/swf/as3/wonderfl/bitfalldata.txt"));

			// ナウローディング
			sign = new TextField();
			sign.defaultTextFormat = new TextFormat("_sans", 16, 0xffffff);
			sign.text = "Now Loading...";
			sign.autoSize = TextFieldAutoSize.LEFT
			sign.x = 20;
			sign.y = 20;
			addChild(sign);
		}
		
		private function loadCompletehandler(e:Event):void {
			var str:String = crlf2lf(urlLoader.data);
			data = dataExpand(str);	// データ展開
			
			canvas = new BitmapData(stage.stageWidth, stage.stageHeight, false, 0x000000);
			addChildAt(new Bitmap(canvas),0);
			
			timer = new Timer(DERAY);
			stage.addEventListener(MouseEvent.CLICK, clickHandler);
			addEventListener(Event.ENTER_FRAME, enterFrameHandler);

			sign.text = "Click stage";
		}
		private function crlf2lf(str:String):String {
			// 「CR [\r] (Mac)」  「LF [\n] (Unix)」  「CR+LF [\r\n] (Dos)」
			str = str.replace(/\r\n/g, "\n");
			str = str.replace(/\r/g, "\n");
			return str;
		}
		
		private function clickHandler(e:MouseEvent):void {
			if (sign != null){
				removeChild(sign)
				sign = null;
			}
			
			urlLoader = null;
			createDisplayData();	// 表示データ配列を整える
			
			stage.removeEventListener(MouseEvent.CLICK, clickHandler);
			timer.reset();
			timer.repeatCount = aryDisplayData.length;
			timer.addEventListener(TimerEvent.TIMER, timerHandler);
			timer.addEventListener(TimerEvent.TIMER_COMPLETE, timerCompleteHandler);
			timer.start();
		}
		
		private function timerHandler(e:TimerEvent):void {
			emit();		// パーティクル発生
		}
		private function timerCompleteHandler(e:TimerEvent):void {
			stage.addEventListener(MouseEvent.CLICK, clickHandler);
			timer.removeEventListener(TimerEvent.TIMER, timerHandler);
			timer.removeEventListener(TimerEvent.TIMER_COMPLETE, timerCompleteHandler);
		}

		private function enterFrameHandler(e:Event):void {
			render();	// パーティクル描画
		}
		
		// データ展開
		private function dataExpand(str:String):Array {
			var arySource:Array = str.split("\n\n");
			var aryData:Array = [];
			for each (var element:String in arySource) {
				var arySource1:Array = element.split("\n");
				var aryData1:Array = [];
				for each (var element1:String in arySource1) {
					aryData1.push(element1.split(","));
				}
				aryData.push(aryData1);
			}
			
			return aryData;
		}
		
		// 表示データ配列を整える
		private function createDisplayData():void {
			aryDisplayData = data[current++];
			current %= data.length;
		}

		// パーティクル発生
		private function emit():void {
			var margin:uint = 20;
			var ary:Array = aryDisplayData[timer.currentCount - 1];
			for each (var element:uint in ary) {
				dicParticle[new Particle(element + margin, stage.stageHeight - margin)] = true;
			}
		}
		
		// パーティクル描画
		private function render():void {
			canvas.lock();
			canvas.fillRect(canvas.rect, 0x000000);

			var gravity:Number = GRAVITY / 750;
			for (var key:Object in dicParticle) {
				var p:Particle = Particle(key);
				p.update(gravity);
				var flg:Boolean = p.isLimitOver(stage.stageHeight);
				if (flg) {
					delete dicParticle[p];
				} else {
					p.render(canvas);
				}
			}
			canvas.unlock();
		}
	}
}

import flash.display.BitmapData;

class Particle {
	private var x:Number;
	private var y:Number;
	private var vy:Number;
	private var color:uint;
	
	
	public function Particle(x:Number = 0, y:Number = 0, color:uint = 0xffffff) {
		vy = 0.4;
		this.x = x;
		this.y = y;
		this.color = color;
	}
	// アップデート(このクラスのインスタンスを呼び出すクラスの ENTER_FRAME で)
	public function update(gravity:Number):void {
		vy += (gravity * (Math.random() + 1));
		y -= vy;
		
	}
	// ステージ領域内外の判定
	public function isLimitOver(limit:Number):Boolean {
		return (y < 0) ? true : false;
	}
	// 描画
	public function render(canvas:BitmapData):void {
		canvas.setPixel(x, y, color);
	}
}