createCanvas(400, 400);

  fill(0, 200, 0);

  console.log("to see keyboard must click on canvas first!\n use [ctrl][z] RED \n key [c] GREEN");

}

​

function draw() {

  background(200, 200, 0);

  circle(width / 2, height / 2, 30);

}

​

function keyPressed() {

  console.log("key " + key + " keyCode " + keyCode);

  if (keyIsDown(CONTROL) && key == 'z') fill(200, 0, 0);

  if (key == 'c') fill(0, 200, 0);

}