/* これ http://www.masahicom.com/blog/index.cgi/information/20090312suurikyokusen-kagaku.htm クリックで軌跡のフェード有無切り替え */ package { import flash.display.Sprite; import flash.display.BitmapData; import flash.display.Bitmap; import flash.utils.Timer; import flash.events.TimerEvent; import flash.geom.ColorTransform; import flash.geom.Matrix; import flash.display.GradientType; import flash.events.MouseEvent; [SWF(width = "465", height = "465", backgroundColor = 0x335544, frameRate = "60")] public class MathematicalGraphics extends Sprite { public function MathematicalGraphics() { var bg:Sprite = new Sprite(); var mtr:Matrix = new Matrix(); mtr.createGradientBox(stage.stageWidth, stage.stageHeight, Math.PI/2); bg.graphics.beginGradientFill( GradientType.RADIAL, [0x55735b, 0x3a4e37], [1,1], [0, 255], mtr ); bg.graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight); // var bd:BitmapData = new BitmapData(465,400,true,0x00FFFFFF) var container:Container = new Container(bd); container.y = 400; // var bmp:Bitmap = new Bitmap(bd); // var timer:Timer = new Timer(100); timer.addEventListener(TimerEvent.TIMER, function ():void { bd.colorTransform(bd.rect, new ColorTransform(1, 1, 1, 0.95)); }); timer.start(); // stage.addEventListener(MouseEvent.MOUSE_DOWN,function ():void { timer.running ? timer.stop() : timer.start(); }); addChild(bg); addChild(bmp); addChild(container); } } } import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Graphics; import flash.display.Sprite; import flash.geom.Point; import flash.geom.Rectangle; import flash.events.Event; import flash.geom.Matrix; import flash.display.GradientType; class Container extends Sprite { private var bd:BitmapData; public function Container(bd_:BitmapData):void { bd = bd_; var bg:Sprite = new Sprite(); var mtr:Matrix = new Matrix(); mtr.createGradientBox(465, 100, Math.PI/2); bg.graphics.beginGradientFill( GradientType.LINEAR, [0xdec392, 0x8a7356], [1,1], [0, 255], mtr ); bg.graphics.drawRect(0, 0, 465, 100); addChild(bg); add(); add(); add(); // add(); // add(); } private function add():void { var mover:Mover; var i:uint = Math.floor(Math.random() * 3); switch (i) { case 0: mover = new Hammer(); break; case 1: mover = new Roller(); break; case 2: mover = new Cube(); break; } mover.addEventListener(Event.ENTER_FRAME, update); addChild(mover); } public function update(e:Event):void { var o:Mover = e.target as Mover; var pts:Array = o.pts.map(function (pt:Point, i:int, a:Array):Point { return o.localToGlobal(pt); }); o.update(); var sp:Sprite = new Sprite(); var g:Graphics = sp.graphics; g.beginFill(0,0); g.lineStyle(1.5,0xFFFFFF, 0.5); var len:uint = pts.length; for (var i:uint = 0; i < len; i++) { var pt:Point = pts[i]; g.moveTo(pt.x, pt.y); pt = o.localToGlobal(o.pts[i]); g.lineTo(pt.x, pt.y); } //g.moveTo(pt1.x, pt1.y); //pt1 = o.localToGlobal(o.pt1); //g.lineTo(pt1.x, pt1.y); // //g.moveTo(pt2.x, pt2.y); //pt2 = o.localToGlobal(o.pt2); //g.lineTo(pt2.x, pt2.y); bd.draw(sp); sp = null; var rect:Rectangle = o.getBounds(this); if (rect.x > 465) { o.removeEventListener(Event.ENTER_FRAME, update); removeChild(o); o = null; add(); } } } class Mover extends Sprite { protected var xx:Number; protected var yy:Number; protected var rr:Number; public var pts:Array = new Array; public static const GRAV:Number = 0.01; protected var ref:Number = -0.9 public function update():void { x += xx; y += yy; rotation += rr; var rect:Rectangle = getRect(parent); var h:Number = rect.y + rect.height if (0 < h) { y -= h; yy *= ref; } yy += GRAV; } } class CircleMover extends Mover { protected var r:Number; override public function update():void { x += xx; y += yy; rotation += rr; var h:Number = y + r; if (0 < h) { y -= h; yy *= ref; } yy += GRAV; } } class Hammer extends Mover { public function Hammer():void { //graphics var g:Graphics = graphics; // g.lineStyle(2); g.beginFill(0x997755); g.drawRect( -4, 0, 8, 60); g.endFill(); g.beginFill(0); g.drawRect( -10, -4, 20, 8); g.endFill(); // x = y = -height; y -= Math.random() * 100; rotation = Math.random() * 360; // pts.push(new Point(0, 0), new Point(0, 60)); xx = Math.random() * 1.5 + 0.5; yy = -(Math.random() * 1 + 1.5); rr = xx * (Math.random()*1.0 + 0.5) * ( (Math.random() < 0.5) ? 1 : -1); // ref = -0.9; } } class Roller extends CircleMover { public function Roller():void { //graphics var g:Graphics = graphics; // g.lineStyle(2); g.beginFill(0xdddddd); g.drawCircle( 0, 0, 20); g.drawCircle( 0, 0, 12); g.endFill(); g.beginFill(0x990000); g.drawCircle( 0, 16, 2); x = y = -height; y -= Math.random() * 300; rotation = Math.random() * 360; // pts.push(new Point(0, 16)); xx = Math.random() * 1 + 0.5; yy = -(Math.random() * 0.1 + 0.1); rr = xx * Math.PI; // r = 20; ref = -0.3; } } class Cube extends Mover { public function Cube():void { //graphics var g:Graphics = graphics; // g.lineStyle(2); g.beginFill(0x448844); g.drawRect( -20, -20, 40, 40); g.endFill(); x = y = -height; y -= Math.random() * 200; rotation = Math.random() * 360; // pts.push(new Point(-20, -20), new Point(20, 20)); xx = Math.random() * 1.5 + 0.5; yy = -(Math.random() * 1.5 + 0.5); rr = xx * (Math.random()*2 + 0.2); // ref = -0.7; } }