share oval chimanaco forked:0favorite:2lines : 65license : MIT License modified : 2009-05-16 03:39:51 package { import flash.display.*; import flash.events.*; import flash.geom.Matrix; [SWF(width = "465", height = "465", frameRate = "60", backgroundColor = "#000000")] public class Oval extends Sprite { private var _num:int = 100; private var _centerX:Number = stage.stageWidth/2; private var _centerY:Number = stage.stageHeight / 2; private var _centerAngle:Number = 0; private var _radiusX:Number = 150; private var _radiusY:Number = 100; private var _speed:Number = .01; private var _acc:Number = 0; private var _ballArray:Array = []; private var _angleArray:Array = []; public function Oval() { var degree:Number; var radians:Number; var ball:Ball; degree = 360 / _num; for (var i:int = 0; i < _num; i++ ) { ball = new Ball(); _ballArray[i] = ball; radians = Math.PI / 180 * degree * i; _angleArray[i] = radians; addChild(ball); } addEventListener(Event.ENTER_FRAME, onEnterFrame); } private function onEnterFrame(e:Event):void { var ball:Ball; var angle:Number; var radians:Number; for (var i:int = 0; i < _num; i++ ) { ball = _ballArray[i]; angle = _angleArray[i] +_acc; radians = Math.PI / 180 * angle; ball.x = _centerX + Math.sin(angle) * _radiusX; ball.y = _centerY + Math.cos(angle) * _radiusY; ball.scaleX = ball.scaleY = Math.tan(radians) * 1; _acc += _speed; } } } } import flash.display.Sprite; import flash.events.Event; import flash.geom.*; class Ball extends Sprite { private static const _COLOR:uint = Math.random() * 0xFFFFFF; private var cColor:uint; public function Ball() { graphics.beginFill(_COLOR, 1); graphics.drawCircle(0, 0, 35); graphics.endFill(); addEventListener(Event.ENTER_FRAME, onEnterFrame); } private function onEnterFrame(e:Event):void { cColor = Math.random() * 0xFFFFFF; var ct:ColorTransform = new ColorTransform(); ct.color = cColor; transform.colorTransform = ct; } } Code Fullscreen Preview Fullscreen animation circle sprite assen_nissen.. sw_lucchini: 電子ドラッグ Math.tan addEventListener color scaleY scaleX ColorTransform Math.PI colorTransform Event.ENTER_FRAME Math.cos addChild Math.sin Array Event Math.random uint Sprite int Number