​

function preload(){

  img = loadImage("data/PhaseRelation-1.jpg")

}

​

//loops runs once

function setup() {

  createCanvas(windowWidth, windowHeight);

  //loads image once

  image(img, 0, 0);

}

​

//loops continously

function draw() {

  //background(220);

  stroke(255,0, 255);

  fill(100, 5);

  ellipse(mouseX, mouseY, 100, 100);

}

​

function mouseClicked(){

  image(img, 0, 0);

}