七夕なので星っぽい何か

星型の作成方法は下記リンク先を参考にしました。ありがとうございました。
http://wonderfl.net/c/vW1O

by yuugurenote 07 Jul 2012

Embed

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

package {
    import flash.display.Sprite;
    import flash.events.MouseEvent;
    import flash.events.Event;
    import flash.geom.ColorTransform;
    import flash.ui.Mouse;
    import frocessing.color.ColorHSV;
    [SWF(width=465,height=465,backgroundColor=0x000000,frameRate=60)]

    public class AS120707_01 extends Sprite {
        public var sw:Number=stage.stageWidth;
        public var sh:Number=stage.stageHeight;
        public var _myCircleAlpha0:myCircleAlpha0;
        public var myCol:int=0;

        public function AS120707_01() {
            var myBack:Sprite = new Sprite();
            myBack.graphics.beginFill(0x000000,1);
            myBack.graphics.drawRect(0,0,sw,sh);
            myBack.graphics.endFill();
            addChild(myBack);
            Mouse.hide();

            stage.addEventListener(Event.ENTER_FRAME,xEnter1,false,0,false);
        }
        public function xEnter1(e:Event):void {
            var _color:ColorHSV=new ColorHSV(myCol+=1,0.9);
            _myCircleAlpha0=new myCircleAlpha0(int(_color));
            _myCircleAlpha0.x=mouseX;
            _myCircleAlpha0.y=mouseY;
            _myCircleAlpha0.rotation=-15;
            addChild(_myCircleAlpha0);
        }
    }
}

import flash.display.Sprite;
import flash.geom.ColorTransform;
import flash.geom.Point;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.filters.BlurFilter;
import frocessing.color.ColorHSV;

class myCircleAlpha0 extends Sprite {

    public var px:Number=Math.random()*465;
    public var py:Number=Math.random()*465;
    public var myFil:BlurFilter=new BlurFilter(2,2,2);
    public var size:int=6;
    public var vertex:Number=5;
    public var star:Boolean=true;

    public function myCircleAlpha0(color:uint) {

var points:Array = new Array();
        for (var degree:Number = 0; degree < 360; degree += 360 / vertex) {
            var tx:Number=0+Math.cos(degree*Math.PI/180)*size;
            var ty:Number=0+Math.sin(degree*Math.PI/180)*size;
            points.push(new Point(tx, ty));

            if (star) {
                tx = x + Math.cos((degree + 360 / vertex / 2) * Math.PI / 180) * (size / 2);
                ty = y + Math.sin((degree + 360 / vertex / 2) * Math.PI / 180) * (size / 2);
                points.push(new Point(tx, ty));
            }
        }
        this.graphics.beginFill(int(color),1);
        this.graphics.lineStyle(0.5, int(color));
        this.graphics.moveTo(points[0].x, points[0].y);
        for (var i:int = 1; i < points.length; i++) {
            this.graphics.lineTo(points[i].x, points[i].y);
        }
        this.filters=[myFil];
        this.graphics.lineTo(points[0].x, points[0].y);
        this.graphics.endFill();
        this.addEventListener(Event.ENTER_FRAME,xEnter2,false,0,true);
    }

    public function xEnter2(e:Event):void {
        this.x += (px-this.x)/100;
        this.y += (py-this.y)/100;
        this.alpha-=0.01;
        this.rotation += 5;
        if (this.alpha<0) {
            this.graphics.clear();
            this.removeEventListener(Event.ENTER_FRAME,xEnter2);
            
        }
    }
}