let positionY;

​

function setup() {

  createCanvas(600, 400);

  background(255, 255, 255);

}

​

function draw() {

  fill(0, 0, 255);

  circle(20, 20, 30);

​

  fill(0, 255, 0);

  circle(20, 60, 30);

​

  print(mouseX, mouseY);

}

​

function mouseDragged() {

  stroke(4);

  fill(0);

  circle(mouseX, mouseY, 2);

  if (mouseIsPressed){

  }

​

  // if (!mouseIsPressed) {

  //   stroke(255, 255, 255);

  //   fill(255, 255, 255);

  //   circle(mouseX, mouseY, 5);

  // } else {

  //   stroke(0);

  //   fill(0)

  //   circle(mouseX, mouseY, 5);

  // }

}

​