Alternative drawing tool

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(255, 255, 255);

}

​

function draw() {

  blendMode(MULTIPLY);

  var speed = dist(pmouseX, pmouseY, mouseX, mouseY);

  strokeWeight(20-speed);

  if(mouseIsPressed) {

    if (mouseButton === LEFT) {

      line(mouseX + random(-30, 30), mouseY + random(-30, 30), pmouseX, pmouseY);}

    if (mouseButton === RIGHT) {

      line(mouseX + random(-15, 15), mouseY + random(-15, 15), pmouseX, pmouseY);}    

                      }

                 }

​

function mousePressed() {

    var R = random(220, 255);

    var G = random(220, 255);

    var B = random(220, 255);

    stroke(R, G, B);

}

​

document.addEventListener('contextmenu', event => event.preventDefault());