var width = window.innerWidth;
var height = $('body').height() - 3;
var halfWidth = width / 2;
var halfHeight = height / 2;

function drawerSketch(processing) {
  // set size
  processing.size(width, height);

  var r = 0;

processing.setup = function() {
  processing.background(0);
  processing.stroke(0);
  processing.fill(255);
};

processing.draw = function() {
  steps = height * 2;
  r += 10;
  processing.ellipse(halfWidth, r % steps, r % steps, r % steps);
};

processing.keyPressed = function() {
  console.log(processing.key);
};

processing.mousePressed = function() {

};

processing.mouseReleased = function() {

};

}
// attach the sketch function to the canvas
var processingInstance = new Processing(document.getElementById('sketch'), drawerSketch);