lines = 1;

xoff = 0;

yoff = 0;

​

function setup() {

  createCanvas(700, 700);

  background(240)

}

​

function draw() {

​

  translate(width / 2, height / 2);

​

  xoff = xoff + 0.01;

  yoff = yoff + 0.01;

  let n = noise(xoff, yoff) * width / 2;

​

  stroke(50, 50);

​

  var radius = 300 + n;

  var angle = TAU / 100;

​

  var x = cos(angle * i) * radius / 2 + (n / 5);

  var y = sin(angle * i) * radius / 2 + (n / 5);

  i = i + 0.1;

​

  if (lines == 1) {

    line(0, 0, x, y);

  } else if (lines == 2) {

    line(0, 200, x, y);

  } else if (lines == 3) {

    line(200, 50, x, y);

    line(50, 200, x, y);

  } else if (lines == 4) {

    line(100, 100, x, y);

    line(-100, -100, x, y);

  } else if (lines == 5) {

    line(-300, 0, x, y);

    line(300, 0, x, y);

  } else if (lines == 6) {

    line(0, 0, x, y);

    line(50, -150, x, y);

    line(100, -280, x, y);

  } else if (lines == 7) {

    line(-300, 0, x, y);

    line(300, 0, x, y);

    line(0, -300, x, y);

    line(0, 300, x, y);

  }

​

}

​

function keyReleased() {

  if (keyCode == DELETE || keyCode == BACKSPACE) noLoop();

  if (keyCode == ENTER || keyCode == RETURN) loop();

  if (keyCode == ESCAPE) background(240);

  if (key == '1') lines = 1;

  if (key == '2') lines = 2;

  if (key == '3') lines = 3;

  if (key == '4') lines = 4;

  if (key == '5') lines = 5;

  if (key == '6') lines = 6;

  if (key == '7') lines = 7;

}