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

flash on 2010-2-5

import com.flashdynamix.utils.SWFProfiler;
/**
 * Copyright mycyberplanet ( http://wonderfl.net/user/mycyberplanet )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/z8QE
 */


package {
	import flash.events.KeyboardEvent;
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.display.Graphics;
	import flash.display.Loader;
	import flash.display.Sprite;
	import flash.display.StageQuality;
	import flash.display.StageScaleMode;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.net.URLRequest;
	import flash.system.LoaderContext;

	//import com.flashdynamix.utils.SWFProfiler;

	[SWF(width = 465, height = 465, backgroundColor = 0x0, frameRate = 60)]

	public class Buyon extends Sprite {
		//----------------------------------------
		//CLASS CONSTANTS

		private const W : uint = 465;
		private const H : uint = 465;

		private const DIVIDE_X : uint = 20;
		private const DIVIDE_Y : uint = 20;

		private const SPRING : Number = 0.3;
		private const FRICTION : Number = 0.9;

		private const IMAGE_URL : String = "http://www.planet-ape.net/wonderfl/kuri.jpg";

		//----------------------------------------
		//VARIABLES
        
		//nodes[idy][idx]
		private var _nodes : Vector.<Vector.<Node>>;

		//head node of linked list
		private var _first : Node;

		//drawing canvas
		private var _canvas : Sprite;

		//background
		private var _background : BitmapData;

		private var _isOnStage : Boolean;

		private var loader : Loader;
		
		private var _flg:Boolean = false;

		private var _uvtData : Vector.<Number>;
		private var _indices : Vector.<int>;

		//----------------------------------------
		//METHODS

		public function Buyon() : void {
			//Wonderfl.disable_capture();
			//Wonderfl.capture_delay(10);

			addEventListener(Event.ADDED_TO_STAGE, _initialize);
		}

		/**
		 * entry point
		 */
		private function _initialize(e : Event) : void {
			removeEventListener(Event.ADDED_TO_STAGE, _initialize);
            
			//SWFProfiler.init(this);

			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.quality = StageQuality.LOW;
            
			var i : uint, j : uint, node : Node, old : Node;
			var nx : uint = DIVIDE_X + 1;
			var ny : uint = DIVIDE_Y + 1;
			var ox : Number;
		        var oy : Number;
            
			_isOnStage = false;
            
			//背景カラー
			_background = new BitmapData(W, H, false, 0x0);
			addChild(new Bitmap(_background));
            
			//ドロー用
			_canvas = addChild(new Sprite()) as Sprite;

                        //drawTriangles用   
    	        	_uvtData = new Vector.<Number>();
		        _indices = new Vector.<int>();

			//ネットワーク生成
			_nodes = new Vector.<Vector.<Node>>(ny);
			for (i = 0;i < ny; ++i) {
				_nodes[i] = new Vector.<Node>(ny);
				for (j = 0;j < ny; ++j) {
					_nodes[i][j] = node = new Node();
					node.ox = node.x = j * W / DIVIDE_X;
					node.oy = node.y = i * H / DIVIDE_Y;
        				ox = node.ox / W;
	        			oy = node.oy / H;
            				_uvtData.push(ox);
	        			_uvtData.push(oy);
				}
			}
			for (i = 0;i < DIVIDE_Y; i++) {
				for (j = 0;j < DIVIDE_X; j++) {
					_indices.push(i * (DIVIDE_Y+1) + j, i * (DIVIDE_Y+1) + j + 1, (i + 1) * (DIVIDE_Y+1) + j);
					_indices.push(i * (DIVIDE_Y+1) + j + 1, (i + 1) * (DIVIDE_Y+1) + 1 + j, (i + 1) * (DIVIDE_Y+1) + j);
				}
			}
            
			var bounds : Vector.<Boolean> = new Vector.<Boolean>(4);
            
			//コネクション生成
			for (i = 0;i < ny; ++i) {
				for (j = 0;j < nx; ++j) {
					node = _nodes[i][j];
                    
					//隣接ノード
					bounds[0] = (i == 0     ) ? true : false;
					bounds[1] = (j == nx - 1) ? true : false;
					bounds[2] = (i == ny - 1) ? true : false;
					bounds[3] = (j == 0     ) ? true : false;
                    
					node.nn[0] = (bounds[0]             ) ? null : _nodes[i - 1][j    ]; //top    - center
					node.nn[1] = (bounds[0] || bounds[1]) ? null : _nodes[i - 1][j + 1]; //top    - right
					node.nn[2] = (bounds[1]             ) ? null : _nodes[i    ][j + 1]; //middle - right
					node.nn[3] = (bounds[1] || bounds[2]) ? null : _nodes[i + 1][j + 1]; //bottom - right
					node.nn[4] = (bounds[2]             ) ? null : _nodes[i + 1][j    ]; //bottom - center
					node.nn[5] = (bounds[2] || bounds[3]) ? null : _nodes[i + 1][j - 1]; //bottom - left
					node.nn[6] = (bounds[3]             ) ? null : _nodes[i    ][j - 1]; //middle - left
					node.nn[7] = (bounds[3] || bounds[0]) ? null : _nodes[i - 1][j - 1]; //top    - left
                    
					//リンクリスト
					if (_first == null) {
						old = _first = node;
					} else {
						old.next = node;
						old = node;
					}
				}
			}
			
            
			// 画像読み込み
			var context : LoaderContext = new LoaderContext(true);
			loader = new Loader();
			loader.contentLoaderInfo.addEventListener(Event.COMPLETE, compHandler);
			loader.load(new URLRequest(IMAGE_URL), context);
		}

		/**
		 * 画像読み込み完了
		 */
		private function compHandler(event : Event) : void {

			addEventListener(Event.ENTER_FRAME, _updateHandler);
            
			stage.addEventListener(MouseEvent.MOUSE_OVER, _stageMouseOverHandler);
			stage.addEventListener(Event.MOUSE_LEAVE, _stageMouseLeaveHandler);
			stage.addEventListener(KeyboardEvent.KEY_DOWN, _stageKeybordHandler);
		}
		
		private function _stageKeybordHandler(event : KeyboardEvent) : void {
             if (event.keyCode == 68){    // D
                 trace("changeDisplay");
				_flg = !_flg;
			}
		}

		/**
		 * アップデート
		 */
		private function _updateHandler(e : Event) : void {
			_interaction();
			//_draw();
			_drawPicture();
		}

		/**
		 * マウスインタラクションの反映
		 */
		private function _interaction() : void {
			var tx : Number, ty : Number, dx : Number, dy : Number, dist : Number,
                spring : Number = SPRING,
                friction : Number = FRICTION,
                node : Node = _first;
            
			do {
				if (_isOnStage) {
					dx = node.ox - mouseX;
					dy = node.oy - mouseY;
                    
					dist = Math.sqrt(dx * dx + dy * dy) + 1;
                    
					tx = node.ox + dx / dist * 100;
					ty = node.oy + dy / dist * 100;
				} else {
					tx = node.ox;
					ty = node.oy;
				}
				node.vx += (tx - node.x) * spring;
				node.vy += (ty - node.y) * spring;
				node.x += node.vx *= friction;
				node.y += node.vy *= friction;
			}
            while (node = node.next);
		}

		/**
		 * 描画
		 */
		private function _draw() : void {
			var n1 : Node, n2 : Node, n3 : Node, n4 : Node,
                px : Number, py : Number,
                g : Graphics = _canvas.graphics;
            
			g.clear();
			g.lineStyle(1, 0xffffff);
            
			var node : Node = _first;
			do {
				px = node.x;
				py = node.y;
                
				if ((n1 = node.nn[1])) {
					g.moveTo(px, py);
					g.lineTo(n1.x, n1.y);
				}
				if ((n2 = node.nn[2])) {
					g.moveTo(px, py);
					g.lineTo(n2.x, n2.y);
				}
				if ((n3 = node.nn[3])) {
					g.moveTo(px, py);
					g.lineTo(n3.x, n3.y);
				}
				if ((n4 = node.nn[4])) {
					g.moveTo(px, py);
					g.lineTo(n4.x, n4.y);
				}
			}
            while (node = node.next);
		}

		/**
		 * drawTriangles でテクスチャを貼り付けるメソッド
		 * 参考: http://wonderfl.net/code/e7e1e28a9f20d73f11f0bb02d3e4b5f512c7cc0f
		 */
		private function _drawPicture() : void {
			var px : Number, py : Number,
                        g : Graphics = _canvas.graphics;

			var vertices : Vector.<Number> = new Vector.<Number>();
            
			g.clear();
			if(_flg) g.lineStyle(1,0xFFFFFF);
			var node : Node = _first;
			do {
				px = node.x;
				py = node.y;

				vertices[vertices.length] = px;
				vertices[vertices.length] = py;
			}
                        while (node = node.next);
			g.beginBitmapFill(Bitmap(loader.content).bitmapData,null,false,false);
			g.drawTriangles(vertices, _indices, _uvtData);
			g.endFill();
		}

		
		/**
		 * マウスがステージ内へ入ったとき
		 */
		private function _stageMouseOverHandler(e : MouseEvent) : void {
			_isOnStage = true;
		}

		/**
		 * マウスがステージ外へ出たとき
		 */
		private function _stageMouseLeaveHandler(e : Event) : void {
			_isOnStage = false;
		}
	}
}

internal class Node {
	//----------------------------------------
	//VARIABLES

	public var vx : Number;
	public var vy : Number;

	public var x : Number;
	public var y : Number;

	public var ox : Number;
	public var oy : Number;

	public var nn : Vector.<Node>;

	public var next : Node;

	//----------------------------------------
	//METHODS

	public function Node() : void {
		vx = vy = x = y = ox = oy = 0;
		nn = new Vector.<Node>(8);
	}
}