// http://youtube.com/thecodingtrain

// http://codingtra.in

​

// Coding Challenge 121: Logo

// https://youtu.be/i-k04yzfMpw

​

let editor;

let turtle;

​

function setup() {

  createCanvas(200, 200);

  angleMode(DEGREES);

  background(0);

  turtle = new Turtle(100, 100, 0);

  editor = select('#code');

  editor.input(goTurtle);

  goTurtle();

}

​

function goTurtle() {

  background(0);

  push();

  turtle.reset();

  let code = editor.value();

  let tokens = code.split(' ');

  let index = 0;

  while (index < tokens.length) {

    let token = tokens[index];

    if (commands[token]) {

      if (token.charAt(0) === 'p') {

        commands[token]();

      } else {

        commands[token](tokens[++index]);

      }

    }

    index++;

  }

  pop();

}