canvasHeight = 400;

​

function setup() {

  createCanvas(canvasWidth, canvasHeight);

}

​

let mouseHeld = false;

​

let squiggles = [];

​

function draw() {

  background(220);

  if (mouseIsPressed)

  {

    if (mouseHeld == false) //mouse down

    {

      mouseHeld = true;

      squiggles.push(new squiggle());

      //print(squiggles.length)

      squiggles[squiggles.length - 1].points.push(new point(mouseX,

                                                            mouseY));

      //print(squiggles[squiggles.length - 1].points[0].x)

    }

    else //mouse held

    {

      squiggles[squiggles.length - 1].points.push(new point(mouseX, 

                                                            mouseY));

    }

  }

  else //mouse released

  {

    mouseHeld = false;

  }

  for (let i = 0; 1 < 5; i++){

    print(i);

  }

​

  for (let i = 0; i < squiggles.length - 1; i ++)

  {

​

    print("i: ", i);

    print(squiggles[i].points[0].x, squiggles[i].points[0].y)

    print(squiggles[0].points.length);

    print(squiggles[i].points.length - 1);

​

    for(let j = 0; j < squiggles[i].points.length - 1; i ++)

    {

      print("j: ", j);

      print("x: ", squiggles[i].points[j].x, 

            " y: ", squiggles[i].points[j].y);

      line(squiggles[i].points[j].x, squiggles[i].points[j].y, 

           squiggles[i].points[j + 1].x, squiggles[i].points[j + 1].y);

    }

  }

  line(mouseX, mouseY, 0, 0);

  line(mouseX, mouseY, canvasWidth, 0);

  line(mouseX, mouseY, canvasWidth, canvasHeight);

  line(mouseX, mouseY, 0, canvasHeight);

}

​

class squiggle

{  

  constructor()

  {

    this.points = [];

  }

}

​

class point

{

  constructor(inputX, inputY)

  {

    this.x = inputX;

    this.y = inputY;

  }

}