createCanvas(400, 400); //Make a 400px x 400px canvas to draw on

  frameRate(25); //Show 25 frames per second

  noStroke(); //Don’t make anything with a stroke or border

  fill(0); //Fill shapes with black (0)

  createLoop({duration: 4, framesPerSecond: 25, gif: {render: false, download: true, fileName: "revolve.gif"}});

  //Library:   4 sec long, 100 frames (25*4),         show?          download gif?         name your gif!

}

​

function draw() {

  background(255);

​

  translate(width / 2, height / 2);

  r = height / 4;

  x = cos(animLoop.theta) * r;

  y = sin(animLoop.theta) * r;

  ellipse(x, y, 50, 50);

}