53 lines
1.3 KiB
ActionScript
53 lines
1.3 KiB
ActionScript
package {
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import flash.display.Bitmap;
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import flash.display.BitmapData;
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import flash.display.Sprite;
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import flash.events.Event;
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public class Pinstripe extends Sprite {
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public function Pinstripe():void {
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if (stage) init();
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else addEventListener(Event.ADDED_TO_STAGE, init);
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}
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private function init(e:Event = null):void {
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var data:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight, false, 0xFFFFFFFF);
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data.lock();
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var w:uint = data.width, h:uint = data.height / 4;
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var x:uint, y:uint = 0, i:uint, px:uint, colour:uint, maxy:uint = h;
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for ( i = 1; i <= 4; i++ ) {
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for ( ; y < maxy; y++ ) {
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colour = 0xFF000000;
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px = 1;
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for ( x = 0; x < w; x++ ) {
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if ( px == i ) {
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colour = (colour == 0xFF000000) ? 0xFFFFFFFF : 0xFF000000;
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px = 1;
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}
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else px++;
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data.setPixel32(x, y, colour);
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}
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}
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maxy += h;
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}
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data.unlock();
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addChild(new Bitmap(data));
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}
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}
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}
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