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/kbmV
 */

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 function onEnter(e:Event):void
        {
            gt+=1;
            var mx:Number; var my:Number;
            mx = stage.mouseX; my = stage.mouseY;
            
            graphics.clear();
            graphics.lineStyle(2, 0);
            
            var ax:Number; var ay:Number;
            var bx:Number; var by:Number;
            
            var ta:Number;
            ta = gt * 0.1;
            
            ax= 230; ay= 230;
            bx= mx + Math.cos(ta)*32; by =my + Math.sin(ta)*32;
            graphics.drawCircle(mx,my, 32);
            graphics.moveTo(mx+Math.cos(ta)*32, my+Math.sin(ta)*32);
            graphics.lineTo(mx+Math.cos(ta)*-32, my+Math.sin(ta)*-32);
            
            
            var mag:Number;
            var nx:Number; var ny:Number;
            nx=bx-ax;ny=by-ay;
            mag = Math.sqrt(nx*nx+ny*ny);
            if (mag == 0) { mag =0.1; }
            nx/=mag; ny/=mag;
            
            graphics.drawCircle(ax,ay, 8);
            graphics.drawCircle(bx,by, 8);
            //graphics.moveTo(ax,ay);
            //graphics.lineTo(bx,by);
            
            var kx:Number; var ky:Number;
            
            kx = (bx+ax)*0.5 +ny*-16;
            ky = (by+ay)*0.5 +nx* 16;
            //graphics.drawCircle(kx,ky, 8);
            
            var i:int;
            var dx:Number; var dy:Number;
            var r:Number;
            r = 64;
 
            for(i=0;i<8;i++)
            {         
              if (i%2 == 0)
              {    dx=kx-bx;dy=ky-by; }
              else { dx=kx-ax;dy=ky-ay; }
                mag = Math.sqrt(dx*dx+dy*dy);
                if (mag == 0) { mag =0.1; }
                dx/=mag; dy/=mag;
                mag = r-mag; mag*=0.5; 
                kx += dx*mag; ky += dy*mag;
                
           }//nexti

            graphics.drawCircle(kx,ky, 8);
            graphics.moveTo(ax,ay);
            graphics.lineTo(kx,ky);
            graphics.moveTo(kx,ky);
            graphics.lineTo(bx,by);
            
        }//onenter
        
    }//classend

}