function setup() {

  createCanvas(displayWidth, displayHeight);

  extraCanvas = createGraphics(displayWidth, displayHeight);

  extraCanvas.clear();

  var color = random(200, 255);

}

​

function draw() {

  background(255);

  // noStroke();

​

  image(extraCanvas, 0, 0);

​

  //trail

  extraCanvas.noStroke();

  if (mouseIsPressed) {

    extraCanvas.fill(0, 0, 0, 50);

    extraCanvas.ellipse(mouseX - 90, mouseY, 15, 15);

  }

​

  //no trail

  fill(255, 213, 94);

  rect(mouseX - 44, mouseY - 23, 160, 46, 0, 5, 5, 0);

  fill(242, 204, 181);

  triangle(

    mouseX - 90,

    mouseY,

    mouseX - 44,

    mouseY - 23,

    mouseX - 44,

    mouseY + 23

  );

  fill(0);

  triangle(

    mouseX - 90,

    mouseY,

    mouseX - 80,

    mouseY - 5,

    mouseX - 80,

    mouseY + 5

  );

}

​