int px;
int py;




void setup() 
{
  size(800, 600);
  background(0);
  framerate(1);

  
}

void draw(){
  
   

  px=int(random(width)); 
  py=int(random(height));
  
  for(int c=10; c<100; c=c+10){
    stroke(int(random(255)));
    line(px-c, py-c, px+c, py-c);
    line(px-c, py+c, px-c, py-c);
    stroke(int(random(60)));
    line(px+c, py-c, px+c, py+c);
    line(px-c, py+c, px+c, py+c);
  }


 
  
}