flash on 2015-7-10

by mutantleg 10 Jul 2015

Embed

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

package {
    import flash.events.Event;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            
            stage.addEventListener(Event.ENTER_FRAME, onEnter);
        }//ctor
        
        public var gt:int = 0;
        public var cx:Number = 230;
        public var cy:Number = 230;
        public var cz:Number = 0;
        public var ca:Number = 0;
        
        public function onEnter(e:Event):void
        {
            graphics.clear();
            graphics.lineStyle(2, 0);
            
            var mx:Number; var my:Number;
            mx = stage.mouseX; my = stage.mouseY;

            var r:Number;            
            var ax:Number; var ay:Number;
            ax=cx;ay=cy; r= 16;
          //  graphics.drawCircle(ax,ay, r);
            
            graphics.lineStyle();
            graphics.beginFill(0, 0.5);
             graphics.drawEllipse(ax-r*0.5, ay-r*0.25+8, r, r*0.5);
            graphics.endFill();
            
            graphics.lineStyle(2,0);
            
            var ang:Number;   var u:Number;    
            var d:Number;  var d2:Number;

            ang = Math.atan2(my-ay, mx-ax);
            u = gt*0.1;
            d = Math.sin(u);
            d2 = Math.sin(u+3.1415);
            
            var nx:Number; var ny:Number;
            nx = Math.cos(ang); ny = Math.sin(ang);

           // graphics.moveTo(ax+nx*r,ay+ny*r);
           // graphics.lineTo(ax+nx*-r,ay+ny*-r);
            
            var kz:Number; var sa:Number;
            var kx:Number; var ky:Number;
            kx = ax+ny*r; ky = ay+nx*-r;           
           // graphics.drawCircle(kx,ky,8); 
            kx += nx*d*r; ky+=ny*d*r;           
           // graphics.drawCircle(kx,ky,8); 
                    graphics.lineStyle();
                        graphics.beginFill(0, 0.5);
                         graphics.drawEllipse(kx-r*0.5, ky-r*0.25+8, r, r*0.5);
                        graphics.endFill();
                    graphics.lineStyle(2,0);
            
            d = Math.sin(u+1.57);
            if (d < 0) {d=0;}
            graphics.drawCircle(kx,ky+d*-16,8);
            cz= d*16;
            
            
            kx = ax+ny*-r; ky = ay+nx*r;           
            //graphics.drawCircle(kx,ky,8); 
            kx += nx*d2*r; ky+=ny*d2*r;           
            //graphics.drawCircle(kx,ky,8); 
                    graphics.lineStyle();
                        graphics.beginFill(0, 0.5);
                         graphics.drawEllipse(kx-r*0.5, ky-r*0.25+8, r, r*0.5);
                        graphics.endFill();
                    graphics.lineStyle(2,0);
            
            d = Math.sin(u+1.57+3.1415);
            if (d < 0) {d=0;}
            graphics.drawCircle(kx,ky+d*-16,8);
       
            cz += d*16;
            cz = cz/2;
            cz += 16;
            
            graphics.drawCircle(cx,cy-cz, r);
            graphics.drawCircle(cx+nx*r,cy-cz+ny*r, r*0.5);
            graphics.drawCircle(cx+nx*r*1.8,cy-cz+ny*r*1.8, r*0.45);
            
            if (gt % 16 == 0) { ca = ang;}
            cx += Math.cos(ca);
            cy += Math.sin(ca);
            
            gt+=1;
        }//onenter
        
    }//classend
}