Processing rock!!!
http://www.openprocessing.org/visuals/?visualID=28973

1. int w=256;

   int h=256;

   void setup(){

   size(256,256);

   smooth();

   line(1,0,w,0);

   line(0,0,0,h-1);

   background(-1);

   stroke(1);

   line(0,h-1,w,h-1);

   line(width-1,0,width-1,height);

   for (int x=1;x<8;x++){

   line(0,15*(8-x),15*x,0);

   line(0,height-(15*(8-x)),15*x,height);

   line(width,15*(8-x),width-(15*x),0);

   line(width,height-(15*(8-x)),width-(15*x),height);

   }

   noFill();

   rect(1,1,width,height);

   //frameRate(25);

   }

   int take = 8;//8

   int space = 5;

   void draw(){

   space = int(mouseX/5);

   if(space<5)space=5;

   background(-1);

   for  (int x=0;x<w;x+=15){

   line(x,0,x,h/2);

   line(x,h/2,x,h);

   line(0,x,w/2,x);

   line(w/2,x,w,x);

   }

   line(0,0,w,0);

   line(0,0,0,h-1);

   stroke(1);

   line(0,h-1,w,h-1);

   line(width-1,0,w-1,h);

   for (int x=1;x<take;x++){

   linex(0,space*(8-x),space*x,0);

   linex(0,h-(space*(8-x)),space*x,h);

   linex(w,space*(8-x),w-(space*x),0);

   linex(w,h-(space*(8-x)),w-(space*x),h);

   }

   rect(0,0,w-1,h-1);

   ellipseMode(CENTER);

   fill(255,0,0);

   noFill();

   ellipseMode(CENTER);

   ellipse(95,95,5,5);

   line(95-5,95-5,95+5,95+5);

   line(95-5,95+5,95+5,95-5);

   }

   void linex (float a,float b,float c,float d){

   line(a,b,c,d);

   noFill();

   ellipse((a+c)/2,(b+d)/2,6,6);

   }