​

​

function setup() {

  createCanvas(400, 400);

  // path[0] = createVector(100, 50);

  // path[1] = createVector(300, 350);

  // path[2] = createVector(50, 350);

}

​

function mousePressed() {

  let v = createVector(mouseX, mouseY);

  path.push(v);

​

}

​

function draw() {

  background(0);

  if (path.length > 0) {

    //   path[0].x = mouseX;

    stroke(255);

    noFill();

    beginShape();

    curveVertex(path[0].x, path[0].y);

    for (let i = 0; i < path.length; i++) {

      let v = path[i];

      curveVertex(v.x, v.y);

      ellipse(v.x, v.y, 8);

    }

    curveVertex(path[path.length-1].x, path[path.length-1].y);

    endShape();

  }

​

​

​

}