flash on 2011-7-15

by kihon 14 Jul 2011

Embed

package
{
    import flash.display.BitmapData;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.geom.Matrix;
    import flash.geom.Rectangle;
    
    public class Main extends Sprite
    {
        private var matrix:Matrix = new Matrix();
        private var pattern:BitmapData;
        private const SIZE:int = 20;
        private const COLORS:Array = [0xFBFFE8, 0xF6F1C6];
        
        public function Main()
        {
            pattern = new BitmapData(SIZE * 2, SIZE * 2, false, 0xFE9E00);
            pattern.fillRect(new Rectangle(SIZE, 0, SIZE, SIZE), 0xFDC200);
            pattern.fillRect(new Rectangle(0, SIZE, SIZE, SIZE), 0xFDC200);
            
            for (var i:int = 0; i < SIZE; i++)
            {
                pattern.setPixel(0, i, 0xFEB400);
                pattern.setPixel(i, 0, 0xFEB400);
                pattern.setPixel(SIZE - 1, SIZE - i - 1, 0xFC9900);
                pattern.setPixel(SIZE - i - 1, SIZE - 1, 0xFC9900);
                
                pattern.setPixel(SIZE, i, 0xFFCB02);
                pattern.setPixel(SIZE + i, 0, 0xFFCB02);
                pattern.setPixel(SIZE * 2 - 1, SIZE - i - 1, 0xFCA500);
                pattern.setPixel(SIZE * 2 - i - 1, SIZE - 1, 0xFCA500);
                
                pattern.setPixel(0, i + SIZE, 0xFFCB02);
                pattern.setPixel(i, SIZE, 0xFFCB02);
                pattern.setPixel(SIZE - 1, SIZE * 2 - i - 1, 0xFCA500);
                pattern.setPixel(SIZE - i - 1, SIZE * 2 - 1, 0xFCA500);
                
                pattern.setPixel(SIZE, i + SIZE, 0xFEB400);
                pattern.setPixel(SIZE + i, SIZE, 0xFEB400);
                pattern.setPixel(SIZE * 2 - 1, SIZE * 2 - i - 1, 0xFC9900);
                pattern.setPixel(SIZE * 2 - i - 1, SIZE * 2 - 1, 0xFC9900);
            }
            
            addEventListener(Event.ENTER_FRAME, onEnterFrame);
        }
        
        private function onEnterFrame(event:Event):void 
        {
            graphics.clear();
            graphics.beginBitmapFill(pattern, matrix);
            graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
            graphics.endFill();
            
            matrix.translate(-1, -1);
        }
    }
}