うんどう

円運動

by Kihara 04 Jun 2012

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/**
 * Copyright Kihara ( http://wonderfl.net/user/Kihara )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/eZoc
 */

package
{
    import flash.display.Sprite;
    import flash.display.StageAlign;
    import flash.display.StageScaleMode;
    import flash.events.Event;

    [SWF(backgroundClr="0x000000",width="465", height="465")]
    public class flash_ex07_sample3 extends Sprite
    {
        private var ball1:Ball;
        private var ball2:Ball;
        private var ball3:Ball;
        private var ball4:Ball;
        private var ball5:Ball;
        private var ball6:Ball;
        private var radius:Number=0;
        private var centerX:Number=stage.stageWidth / 2;
        private var centerY:Number=stage.stageHeight / 2;
        private var r:Number=200;

        public function flash_ex07_sample3()
        {
            stage.scaleMode=StageScaleMode.NO_SCALE;
            stage.align=StageAlign.TOP_LEFT;

            ball1=new Ball(0xFF0000); //赤い玉
            ball1.x=centerX + r;
            ball1.y=centerY;
            ball2=new Ball(0x00FF00); //緑の玉
            ball2.x=centerX + r;
            ball2.y=centerY;
            ball3=new Ball(0x0000FF); //青の玉
            ball3.x=centerX;
            ball3.y=centerY + r;
            ball4=new Ball(0x00FFFF); //水色の玉
            ball4.x=centerX - r;
            ball4.y=centerY;
            ball5=new Ball(0xFF00FF);//紫の玉
            ball5.x=centerX - r;
            ball5.y=centerY;
            ball6=new Ball(0xFFFF00);//黄色の玉
            ball6.x=centerX;
            ball6.y=centerY - r;

            addChild(ball1);
            addChild(ball2);
            addChild(ball3);
            addChild(ball4);
            addChild(ball5);
            addChild(ball6);

            addEventListener(Event.ENTER_FRAME, onEnterFrame);
        }

        private function onEnterFrame(e:Event):void
        {
            //角度をちょっとづつ増やしてやる
            radius+=3;

            graphics.clear(); //線を毎回消す

            //赤い玉を動かす
            ball1.x=r * Math.cos(Math.PI * radius / 180) + centerX;
            ball1.y=r * Math.sin(Math.PI * radius / 180) + centerY;

            //緑の玉を動かす
            ball2.x=r * Math.cos(Math.PI * radius / 180) + centerX;

            //青の玉を動かす
            ball3.y=r * Math.sin(Math.PI * radius / 180) + centerY;

            //水色の玉を動かす
            ball4.x=-r * Math.cos(Math.PI * radius / 180) + centerX;
            ball4.y=-r * Math.sin(Math.PI * radius / 180) + centerY;

            //紫の玉を動かす
            ball5.x=-r * Math.cos(Math.PI * radius / 180) + centerX;
            
            //黄色の玉を動かす
            ball6.y=-r * Math.sin(Math.PI * radius / 180) + centerY;

            draw_line(); //線を毎回描く
        }

        private function draw_line():void
        {
            graphics.lineStyle(1, 0xFFFFFF);

            //緑と青を結ぶ
            graphics.moveTo(ball2.x, ball2.y);
            graphics.lineTo(ball3.x, ball3.y);
            //赤と青を結ぶ
            graphics.moveTo(ball1.x, ball1.y);
            graphics.lineTo(ball3.x, ball3.y);
            //赤と緑を結ぶ
            graphics.moveTo(ball1.x, ball1.y);
            graphics.lineTo(ball2.x, ball2.y);
            //紫と黄色を結ぶ
            graphics.moveTo(ball5.x, ball5.y);
            graphics.lineTo(ball6.x, ball6.y);
            //水色と黄色を結ぶ
            graphics.moveTo(ball4.x, ball4.y);
            graphics.lineTo(ball6.x, ball6.y);
            //水色と紫を結ぶ
            graphics.moveTo(ball4.x, ball4.y);
            graphics.lineTo(ball5.x, ball5.y);
            //青と紫を結ぶ
            graphics.moveTo(ball3.x, ball3.y);
            graphics.lineTo(ball5.x, ball5.y);
            //緑と黄色を結ぶ
            graphics.moveTo(ball2.x, ball2.y);
            graphics.lineTo(ball6.x, ball6.y);

            //円を描く
            graphics.drawCircle(centerX, centerY, 200);
            //縦の線
            graphics.moveTo(centerX, centerY + 200);
            graphics.lineTo(centerX, centerY - 200);
            //横の線
            graphics.moveTo(centerX + 200, centerY);
            graphics.lineTo(centerX - 200, centerY);
        }
    }
}
import flash.display.Sprite;

class Ball extends Sprite
{
    public function Ball(color:Number)
    {
        graphics.beginFill(color);
        graphics.drawCircle(0, 0, 20);
        graphics.endFill();
    }
}