​

function setup() {

  createCanvas(400, 400);

  points = [];

}

​

function draw() {

  background(220);

  noFill();

  strokeWeight(3);

  beginShape();

  for (var i = 0; i < points.length; i++) {

    vertex(points[i].x, points[i].y);

  }

  endShape();

}

​

function mouseDragged() {

  points.push(createVector(mouseX, mouseY));

}

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

/*

function mousePressed() {

  var aNewPoint = createVector(mouseX, mouseY);

  points.push(aNewPoint);

}

​

function keyPressed() {

  if (key == " ") {

    points = [];

  }

}

​

function modifyPoints() {

  for (var i = 0; i < points.length; i++) {

    points[i].x += random(-1,1);

    points[i].y += random(-1,1);

  }

}

*/

​

​

​

​

​

​

​

​

​

​

​

​

​