void setup () {
size (480, 120);// the size of the canvas is 480 pixels wide by 120 pixels high
smooth();// the difined shapes are smooth and not roughly pixelated
fill(255);//the fill of the ellipse is whits
stroke(102);// line stroke is gray
background(0); // background is black
 
}

void draw() {
  background(0);//this generates a new background every frame
  for(int y = 20; y<=height-20; y+=10){// a simple array for the y axis that terminates at the height of the void
  for (int x = 20; x <=width-20; x+=10){// a simple array for the x axis that terminates at the width of the void
 ellipse (x,y,4,4); //ellipses placed along the array defined above with diameters of 4 pixels in either direction
 
 line(x,y,mouseX,mouseY);//a line with its first point defined by the array and its second point defined by the position ofthe mouse
    }
}
}