text: //var x = 128;
  var slider;
  
  function setup() {
  	createCanvas(400, 400);
  	slider = createSlider(0, 255, 128);		//min, max, starting point
  }
  
  function draw() {
  	//slider.value(x);
  	//x += random(-5, 5);
  	background(slider.value());
  }