​

// Location of ellipse

let x = 0;

let y = 0;

​

// Determine speed

let speed = 1;

// Determines steepness

let yscl = 5;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

}

​

function draw() {

  background('black');

  // Update x and y

  x += speed;

  y += speed * yscl;

  fill('white');

  ellipse(x,y, 5, 5);

}