// forked from checkmate's fladdict challenge for professionals /** * Theme: * Play with BitmapPatterBuilder. * Purpose of this trial is to find the possibility of the dot pattern. * * by Takayuki Fukatsu aka fladdict **/ package { import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Graphics; import flash.display.Sprite; import flash.display.StageScaleMode; import flash.events.Event; import flash.filters.BlurFilter; public class Professional extends Sprite { private var frontS:Sprite = new Sprite(); private var middleS:Sprite = new Sprite(); private var backS:Sprite = new Sprite(); private var triangle:Sprite = new Sprite(); public function Professional() { var g:Graphics; stage.scaleMode = StageScaleMode.NO_SCALE; frontS.scaleX = frontS.scaleY = 10; middleS.scaleX = middleS.scaleY = 6; backS.scaleX = backS.scaleY = 2; triangle.x = 80; triangle.y = 232; g = frontS.graphics; g.beginBitmapFill(pattern1()); g.drawRect(-6,-6,54,54); g.endFill(); g = middleS.graphics; g.beginBitmapFill(pattern2()); g.drawRect(-10,-10,90,90); g.endFill(); g = backS.graphics; g.beginBitmapFill(pattern3()); g.drawRect(-30,-30,270,270); g.endFill(); frontS.filters = [new BlurFilter(1, 1)]; middleS.filters = [new BlurFilter(2, 2)]; backS.filters = [new BlurFilter(4, 4)]; this.addChild( backS ); this.addChild( middleS ); this.addChild( frontS ); this.addChild( triangle ); this.addEventListener(Event.ENTER_FRAME, onEnterFrame); } private var theta:Number = 0; private function onEnterFrame(e:Event):void { backS.x -= 1; backS.x = (backS.x + 12) % (12); middleS.x -= 2; middleS.x = (middleS.x + 36) % (36); frontS.x -= 4; frontS.x = (frontS.x + 60) % (60); theta += 0.1; triangle.graphics.clear(); triangle.graphics.lineStyle( 3, 0x00FF44 ); triangle.graphics.beginFill( 0x000100 * int(Math.sin( 2.8 + theta ) * 0x30 + 0x8F), 0.75); triangle.graphics.moveTo(0, -25); triangle.graphics.lineTo(0, 25); triangle.graphics.lineTo(80, 0); triangle.graphics.lineTo(0, -25); triangle.rotationX = -40 + 10 * Math.sin(theta); } public function pattern1():BitmapData { return BitmapPatternBuilder.build( [ [0, 0, 0, 1, 1, 0], [0, 0, 0, 1, 0, 0], [0, 1, 1, 1, 0, 0], [0, 1, 0, 1, 0, 0], [1, 1, 0, 1, 1, 1], [0, 0, 0, 0, 1, 0] ], [0x0, 0xff228822] ); } public function pattern2():BitmapData { return BitmapPatternBuilder.build( [ [0, 0, 0, 1, 0, 0], [1, 1, 0, 1, 0, 1], [0, 1, 1, 1, 1, 1], [0, 1, 0, 0, 0, 0], [0, 1, 1, 1, 0, 0], [0, 0, 0, 1, 0, 0] ], [0x0, 0xff115511] ); } public function pattern3():BitmapData { return BitmapPatternBuilder.build( [ [0, 0, 0, 1, 1, 0], [0, 0, 0, 1, 0, 0], [0, 1, 1, 1, 0, 0], [0, 1, 0, 1, 0, 0], [1, 1, 0, 1, 1, 1], [0, 0, 0, 0, 1, 0] ], [0xff000000, 0xff003300] ); } } } /**----------------------------------------------------- * Use following BitmapPatternBuilder class * * DO NOT CHANGE any codes below this comment. * * ----------------------------------------------------- */ import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Graphics; class BitmapPatternBuilder{ /** * creates BitmapData filled with dot pattern. * First parameter is 2d array that contains color index for each pixels; * Second parameter contains color reference table. * * @parameter pattern:Array 2d array that contains color index for each pixel. * @parameter colors:Array 1d array that contains color table. * @returns BitmapData */ public static function build(pattern:Array, colors:Array):BitmapData{ var bitmapW:int = pattern[0].length; var bitmapH:int = pattern.length; var bmd:BitmapData = new BitmapData(bitmapW,bitmapH,true,0x000000); for(var yy:int=0; yy<bitmapH; yy++){ for(var xx:int=0; xx<bitmapW; xx++){ var color:int = colors[pattern[yy][xx]]; bmd.setPixel32(xx, yy, color); } } return bmd; } /** * short cut function for Graphics.beginBitmapFill with pattern. */ public static function beginBitmapFill(pattern:Array, colors:Array, graphics:Graphics):void{ var bmd:BitmapData = build(pattern, colors); graphics.beginBitmapFill(bmd); bmd.dispose(); } }