// at the center, want rotate to be zero

// this is dumb, actually need a vanishing point off screen.

// and to end off screen

let vanishingPointY;

let vanishingPointX;

​

function setup() {

  createCanvas(400, 400);

  vanishingPointX = width/2;

  vanishingPointY = -20;

}

​

function draw() {

  background(220);

  let lineSpacing = width/NUM_LINES;

  //rotate(-(NUM_LINES/2));

  for (let i = 0; i <= NUM_LINES; i += 1) {

    let posX = map(i, 0, NUM_LINES, -width*8, 9*width);

    line(vanishingPointX, vanishingPointY, posX, height);

  }

}