forked from: forked from: forked from: forked from: forked from: 画像の読み込み

/**
 * Copyright plus-tic ( http://wonderfl.net/user/plus-tic )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/dVoJ
 */

// forked from Nobinho's forked from: forked from: forked from: forked from: 画像の読み込み
package
{
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Loader;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.geom.Point;
    import flash.geom.Rectangle;
    import flash.net.URLRequest;
    import flash.system.LoaderContext;
    import caurina.transitions.*;
 
    import flash.events.MouseEvent;
    public class Main extends Sprite
    {
        private var my_array:Array = [];
        private var charaChip:BitmapData;
        private const C_WIDTH:int = 31;//キャラの幅
        private const C_HEIGHT:int = 30;//キャラの高さ
 
        public function Main()
        {
            var loader:Loader = new Loader();
            loader.contentLoaderInfo.addEventListener(Event.INIT, initHandler);
            loader.load(new URLRequest("http://assets.wonderfl.net/images/related_images/c/c6/c6d0/c6d025f7dd6b2bd96b138515d408767b398e1f02"),
            new LoaderContext(true));
        }
 
        public function initHandler(event:Event):void{
            // チップ画像読み込み
            var loader:Loader = event.currentTarget.loader;
            charaChip = new BitmapData(loader.width, loader.height, true, 0x0);
            charaChip.draw(loader);
 
            // 切り出す
            charaChip.threshold(charaChip, charaChip.rect, new Point(), "==", 0xFF0000, 0x0, 0xFFFFFF);//背景透過処理
            var chara:BitmapData = new BitmapData(C_WIDTH, C_HEIGHT, true, 0x0);
            chara.copyPixels(charaChip, new Rectangle(C_WIDTH * 0, C_HEIGHT * 0, C_WIDTH, C_HEIGHT), new Point());
            
            //デカイの複数作成
            for(var i:uint = 0; i < 100; i++){
            var bitmap:Bitmap = new Bitmap(chara);
            bitmap.scaleX = bitmap.scaleY = rand(2);
            bitmap.x = rand(stage.stageWidth);
            bitmap.y = rand(stage.stageHeight);
            addChild(bitmap);
            my_array.push(bitmap);
            }
        }
        
        public function rand(num:Number):Number{
            return Math.random()*num;
        } 
        
    }
}