package { import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.BlendMode; import flash.display.Sprite; import flash.events.AsyncErrorEvent; import flash.events.Event; import flash.events.NetStatusEvent; import flash.events.SecurityErrorEvent; import flash.filters.BlurFilter; import flash.filters.ColorMatrixFilter; import flash.filters.GlowFilter; import flash.filters.GradientGlowFilter; import flash.geom.Point; import flash.media.Video; import flash.net.NetConnection; import flash.net.NetStream; [SWF (backgroundColor='#FFFFFF', frameRate=30)] public class Main extends Sprite { private var container:Sprite; private var circle:Sprite; private var bmd:BitmapData; private var bmp:Bitmap; public function Main() { initDisplay(); addEventListener(Event.ENTER_FRAME, enterFrameHandler); } private function initDisplay():void { container = new Sprite(); circle = new Sprite() circle.graphics.beginFill(0xFF0000) circle.graphics.drawCircle(0, 0, 35); container.addChild(circle); bmd = new BitmapData(stage.stageWidth, stage.stageHeight, true, 0x00000000); bmp = new Bitmap(); bmp.bitmapData = bmd; bmp.blendMode = BlendMode.HARDLIGHT; addChild(bmp); } private function enterFrameHandler(event:Event):void { bmd.draw(container); circle.x = mouseX; circle.y = mouseY; var point:Point = new Point(); bmd.threshold(bmd, bmd.rect, point, "<", 0x00333333, 0x00000000, 0x00FF0000, true); var matrix:Array = [ 1, 0, 0, 0, 0, 0, 1, 0, 0, 5, 0, 0, 1, 0, 2, 0, 0, 0, 1, -5 ]; var matrixFilter:ColorMatrixFilter = new ColorMatrixFilter(matrix); bmd.applyFilter(bmd, bmd.rect, point, new GlowFilter(0x00FF00, 1, 6, 6, 20)); bmd.applyFilter(bmd, bmd.rect, point, new GlowFilter(0x0011FF, 1, 6, 6, 10)); bmd.applyFilter(bmd, bmd.rect, point, new BlurFilter(7, 7)); bmd.applyFilter(bmd, bmd.rect, point, matrixFilter); bmd.applyFilter(bmd, bmd.rect, point, new GlowFilter(0x0000FF, 3, 3, 1, 5)); } } }