x: 100, y: 100,

  diameter: 40,

  r: 31, g: 127, b: 255

};

​

function setup() {

  createCanvas(windowWidth, windowHeight);

}

​

function draw() {

  background(31);

  noStroke();

  fill(ball.r, ball.g, ball.b);

  circle(ball.x, ball.y, ball.diameter);

  ball.x = ball.x + 1.0;

  ball.y = ball.y + 0.5;

  ball.diameter = ball.diameter + 0.2;

}