Turning Circles 2(MouseTest)

どう見ても極座標です

こうみると黄色とか色がおかしいことに気づく

純粋にはHSVのほうがキレイなのかね

by phi16 02 Apr 2011

• Forked from phi16's Turning Circles(Test)
• Diff: 17
• Related works: 2
Embed

/**
 * Copyright phi16 ( http://wonderfl.net/user/phi16 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/cdeN
 */

package {
    import flash.display.Sprite;
    import flash.events.Event;
    public class FlashTest extends Sprite {
        public var spr:Sprite=new Sprite();
        private var rad:Number=0;
        private var num:int=12;
        public function FlashTest() {
            spr.x=spr.y=235;
            this.addChild(spr);
            this.addEventListener(Event.ENTER_FRAME,this.Draw);
        }
        private function Draw(e:Event):void{
            spr.graphics.clear();
            for(var i:int=0;i<num;i++){
                var mox:Number=this.mouseX-235,moy:Number=this.mouseY-235;
                if(mox!=0 || moy!=0)rad=Math.atan2(moy,mox);
                var len:Number=Math.sqrt(mox*mox+moy*moy);
                var colr:int,colg:int,colb:int;
                colr=(Math.sin((i*360/num)*Math.PI/180+rad)+1)*255/2;
                colg=(Math.sin((i*360/num+120)*Math.PI/180+rad)+1)*255/2;
                colb=(Math.sin((i*360/num-120)*Math.PI/180+rad)+1)*255/2;
                var posx:Number=Math.cos((i*360/num)*Math.PI/180+rad)*len;
                var posy:Number=Math.sin((i*360/num)*Math.PI/180+rad)*len;
                spr.graphics.beginFill(colr*256*256+colg*256+colb);
                spr.graphics.lineStyle(1,colr*256*256+colg*256+colb,1);
                spr.graphics.moveTo(0,0);
                spr.graphics.lineTo(posx,posy);
                spr.graphics.drawCircle(posx,posy,20);
                spr.graphics.endFill();
                if(i==0){
                    spr.graphics.beginFill(0xffffff);
                    spr.graphics.drawCircle(posx,posy,10);
                    spr.graphics.endFill();
                }
            }
        }
    }
}