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

forked from: flash on 2010-2-25

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by amane 30 Mar 2010
/**
 * Copyright amane ( http://wonderfl.net/user/amane )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/q6Ln
 */

// forked from yd_niku's flash on 2010-2-25
package {
    import flash.display.*;
    import flash.geom.*;
    import flash.events.*;
    import flash.net.*;
    import flash.system.*;
    public class FlashTest extends Sprite {
    		private var _canvas:Shape;
    		private var _texture:BitmapData;
    		private var _points:Vector.<Vertex> = new Vector.<Vertex>();
    		private var _vertices:Vector.<Number> = new Vector.<Number>();
    		
    		private var _indices:Vector.<int> = new Vector.<int>();
        private var _uvData:Vector.<Number> = new Vector.<Number>();
        			
    		public function FlashTest() {
        		_canvas = new Shape();
        		addChild(_canvas);
        	
        		var stepX:uint = 20;
        		var stepY:uint = 20;
        		var lenX:uint = 465/stepX >>0;
        		var lenY:uint = 465/stepY >>0;
        		var edgeW:uint = stepX-1;
        		var edgeH:uint = stepY-1;
        		
            var p:Vertex;
            for( var py:int=0; py<stepY; ++py ) {
                for( var px:int=0; px<stepX; ++px ) {
                    p = new Vertex( px*lenX, py*lenY );
                    _points.push( p)
                    _vertices.push( p.x, p.y );
                    _uvData.push( px/edgeW, py/edgeH );
                }
            }
            
            var uvW:Number = 1/edgeW;
            var uvH:Number = 1/edgeH;
            
            for( var h:int=0; h<edgeH; ++h ) {
                for( var w:int=0; w<edgeW; ++w ) {
                    var num:int = h*edgeH + w;
                    
                    var a:int = num + h;
                    var b:int = a+1;
                    var c:int = a+stepX;
                    var d:int = a+stepX+1;
                    
                    _indices.push( a, b, d,  a, c, d );
                }
            }
            	addEventListener(Event.ENTER_FRAME,enterframeHandler);
            	
            	var url:String = "http://assets.wonderfl.net/images/related_images/0/0e/0e8c/0e8cb3fa40a65539d2adf599ab55a156a587e012";
            	var loader:Loader = new Loader();
            	loader.contentLoaderInfo.addEventListener(Event.COMPLETE,loadCompleteHandler);
			loader.load(new URLRequest(url), new LoaderContext(true));
		}
		private function loadCompleteHandler(e:Event):void{
			var content:Bitmap = LoaderInfo(e.target).content as Bitmap;
			addChildAt(content,0);
			_texture = content.bitmapData;
		}
		private function enterframeHandler(e:Event):void{
			calcuration();
            	render();
		}
		public function calcuration():void{
			var diffX:Number, diffY:Number;
			var distance:Number;
			var strength:Number
			for each( var p:Vertex in _points ) {
				diffX = mouseX - p.x;
				diffY = mouseY - p.y;
				distance = Math.sqrt(diffX*diffX + diffY*diffY);
				strength = distance/(465);
				p.x += diffX *0.1;
				p.y += diffY *0.1;
				
				
				p.x += (p.defX - p.x) *strength;
				p.y += (p.defY - p.y) *strength;
			}
		}
		
		public function render():void{
			_canvas.graphics.clear();
			var p:Vertex;
			if(_texture) {
	            for( var i :int =0; i<_points.length; ++i ) {
	                p = _points[i];
	                _vertices[ i*2 ] = p.x;
	                _vertices[ i*2 +1 ] = p.y;
	            }
            
        			
        			_canvas.graphics.beginBitmapFill(_texture);
				_canvas.graphics.drawTriangles( _vertices, _indices, _uvData );
           		_canvas.graphics.endFill();
			}
			for each( p in _points ) {
        			_canvas.graphics.beginFill(0xFF0000);
        			_canvas.graphics.drawRect(p.x,p.y,2,2);
        			_canvas.graphics..endFill();
			}
		}
    }
}

import flash.geom.*;
class Vertex extends Point{
	public var defX:Number;
	public var defY:Number;
	public function Vertex(x:Number,y:Number){
		super(x,y);
		defX = x;
		defY = y;
	}
}