Forked from:: siba2260's 画像を自由変形する

forked from: 画像を自由変形する

オブジェクトを曲げて表示する。
@author SIBA

forked:0
favorite:0
lines:60
license : All rights reserved
modified : 2010-08-26 01:57:36

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// forked from siba2260's 画像を自由変形する
// write as3 code here..
package {
    import __AS3__.vec.Vector;
    
    import flash.display.Bitmap;
    import flash.display.Graphics;
    import flash.display.Sprite;

import flash.display.BitmapData;  
        import flash.display.Loader;  
        import flash.display.LoaderInfo;  
        import flash.events.Event;  
        import flash.net.URLRequest;  
        import flash.system.LoaderContext;  
        import flash.system.Security;
    
    [SWF(width=800, height=600, backgroundColor=0xAADDFF)]

/**
     * オブジェクトを曲げて表示する。
     * @author SIBA
     */
    public class Main03 extends Sprite {
        
        private var image:Bitmap;
                private var loader:Loader;  
        
        private var bendImage:Sprite = new Sprite();
        
        public function Main03() {
                        Security.loadPolicyFile("http://farm2.static.flickr.com/crossdomain.xml");   
                        var context:LoaderContext = new LoaderContext(true);  
                        loader = new Loader();  
                        loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onComplete);  
                        loader.load(new URLRequest("http://farm4.static.flickr.com/3180/3115974098_d1b27674ef.jpg?v=0"), context);

bendImage.x = 100;
            bendImage.y = 100;
            addChild(bendImage);
        }

private function onComplete(event:Event):void {  
                    var loaderInfo:LoaderInfo = event.currentTarget as LoaderInfo;  
                    var loader:Loader = loaderInfo.loader;  
                    var bmp:BitmapData = new BitmapData(loader.width, loader.height, true, 0x00FFFFFF);  
                    bmp.draw(loader);
                    image = new Bitmap(bmp);
                    
                    createBendImage();
                }  
        
        private function createBendImage():void {
            var vertices:Vector.<Number> = new Vector.<Number>();
            var indices:Vector.<int> = new Vector.<int>();
            var uvtData:Vector.<Number> = new Vector.<Number>();
            
            for (var xx:int=0; xx<10; xx++) {
                for (var yy:int=0; yy<10; yy++) {
                    vertices[vertices.length] = xx*100-(5-yy)*(5-yy)*5;
                    vertices[vertices.length] = yy*50-(5-xx)*(5-xx)*5;
                    uvtData[uvtData.length] = xx/10;
                    uvtData[uvtData.length] = yy/10;
                }
            }
            
            for (var i:int=0; i<10-1; i++) {
                for (var j:int=0; j<10-1; j++) {
                    indices.push(i*10+j, i*10+j+1, (i+1)*10+j);
                    indices.push(i*10+j+1, (i+1)*10+1+j, (i+1)*10+j);
                }
            }
            
            const g:Graphics = bendImage.graphics;
            g.beginBitmapFill(image.bitmapData);
            g.drawTriangles(vertices, indices, uvtData);
            g.endFill();
        }
        
    }
}

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