toptal-p5-animate1.pde

// initialize x and y as 0
int x=0;
int y=0;

void setup(){
  size(800,600);
  background(255); // set background color to white
}

void draw(){
  fill(255,0,0); // fill color red
  stroke(0,0,255); // stroke color blue
  ellipseMode(CENTER); // ref. point to ellipse is its center
  
  ellipse(x, y, 20, 20); // draw the ellipse
  
  // increment x and y
  x+=5;
  y+=5;
}