Unit 2 – LA 2 – 2.2

var r, g, b;
function setup() {
  createCanvas(400, 200);
  var r = 0;
  var g = 0;
  var b = 0;
  noStroke();
  background('#000000');
}

function draw() {
  
  if (mouseIsPressed) {
    r = random(0,255);
    g = random(0,255);
    b = random(0,255);
  }  
  
  fill(r, g, b);
  ellipse(mouseX, mouseY, 10, 10);
}

https://editor.p5js.org/BrainyZebra5/full/zGI485o-S