forked from: flash on 2010-2-20

/**
 * Copyright mhayashi ( http://wonderfl.net/user/mhayashi )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/1r90
 */

// forked from masahirohayashi's flash on 2010-2-20
package {
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            // write as3 code here..
            var myCircle1:DrawCircle = new DrawCircle();
            var myCircle2:DrawCircle = new DrawCircle();
            myCircle1.x = 50;
            myCircle2.y = 200;
            addChild(myCircle1);
            addChild(myCircle2);
        }
    }
}

import flash.display.MovieClip;
class DrawCircle extends MovieClip {
        public function DrawCircle(){
        		var centerX:Number = 100;
        		var centerY:Number = 200;
        		var r:Number = 50;
        		
        		graphics.lineStyle(2, 0xFF0006);
        		graphics.moveTo(centerX+r, centerY);

        		// 8つの弧をつなげる(時計回り?)        		
        		graphics.curveTo(r+centerX,							//control point x
        						Math.tan(Math.PI/8)*r+centerY,     	//control point y
        						Math.sin(Math.PI/4)*r+centerX,		//anchor x
        						Math.cos(Math.PI/4)*r+centerY);		//anchor y

        		graphics.curveTo(Math.tan(Math.PI/8)*r+centerX,
        						r+centerY,
        						centerX,
        						r+centerY);

        		graphics.curveTo(-Math.tan(Math.PI/8)*r+centerX,
        						r+centerY,
        						-Math.cos(Math.PI/4)*r+centerX,
        						Math.sin(Math.PI/4)*r+centerY);
        						
        		graphics.curveTo(-r+centerX,							//control point x
        						Math.tan(Math.PI/8)*r+centerY,     	//control point y
        						-r+centerX,
        						centerY);		//anchor y

        		graphics.curveTo(-r+centerX,							//control point x
        						-Math.tan(Math.PI/8)*r+centerY,     	//control point y
        						-Math.cos(Math.PI/4)*r+centerX,
        						-Math.sin(Math.PI/4)*r+centerY);		//anchor y
        						
        		graphics.curveTo(-Math.tan(Math.PI/8)*r+centerX,
        						-r+centerY,
        						centerX,
        						-r+centerY);

        		graphics.curveTo(Math.tan(Math.PI/8)*r+centerX,
        						-r+centerY,
        						Math.cos(Math.PI/4)*r+centerX,
        						-Math.sin(Math.PI/4)*r+centerY);
        						
        		graphics.curveTo(r+centerX,
        						-Math.tan(Math.PI/8)*r+centerY,
        						r+centerX,
        						centerY);
        }
}