Typing Game Thing(P5js Edition)

mySketch
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let randWord = '', typing = '', cursor = '_';
let cursTime = 0, typTime = 0, maxTime = 450, timeLeft = maxTime, playing = 0, meh = 0, randVal = 0, right = 0;
let words = [];
​
function preload() {
  words = loadStrings('words.txt');
}
​
function setup() {
  createCanvas(500, 500);
  textSize(32);
  randWord = words[round(random(0, words.length - 1))];
  //print(words.length);
  //print(words);
  randVal = round(random(0, 150));
}
​
function draw() {
  background(randVal);
  noStroke();
  fill(255 - randVal + (randVal/2));
​
  if(playing == 1){
    if(millis() >= 500 + cursTime)
    {
      cursor = '_';
      cursTime = millis();
    } else {
      cursor = '';
    }
​
    if(millis() >= 1000 + typTime)
    {
      if(timeLeft > 0) {
        timeLeft -= 45;
      }
      typTime = millis();
    }
​
    if(timeLeft <= 0){
      playing = 2;
    }
    backSpace();
  } else if(playing == 0){
    rect(175, 300, 50, 150);
    rect(275, 300, 50, 150);
  } else if(playing == 2){
    text('GAME OVER', 25, 400);
    right = 0;
    maxTime = 450;
    typing = '';
    //randWord = words[round(random(0, words.length - 1))];
  } else {
    playing = 0;
  }
​
  text('Type this word: ' + randWord, 25, 100, 450, 185);
  text('> ' + typing + cursor, 25, 190, 450, 500);
  rect(25, 25, timeLeft, 50);
}
​
function keyTyped() {
  if(playing == 1) {
    if(key != ' ' && key != 'Enter') {
      typing += String(key);
    }
  }
}
​
function keyPressed() {
  if(playing == 1){
    if(key == 'Enter') {
      if(typing == randWord){
        randWord = words[round(random(0, words.length - 1))];
        maxTime -= 10;
        timeLeft = maxTime;
        right++;
      } else {
        timeLeft -= 5;
      }
      typing = '';
      //print(maxTime);
    }
  }
​
  if(key == ' '){
    if(playing == 1){
      playing = 0;
    } else if(playing == 2){
      playing = 1;
      timeLeft = maxTime;
    } else {
      playing = 1;
    }
  }
  
  //print('key: ' + key + ' keyCode: ' + keyCode);
  //print(words[round(random(0, words.length))]);
  //print(round(random(0, words.length)));
  //print(words);
}
​
function backSpace() {
  if(keyIsDown(8)) {
    if(millis() >= 150 + meh) {
      if(typing.length > 0){
        typing = typing.substring(0, typing.length - 1);
        //shorten(typing);
      }
      meh = millis();
    }
    //print('test');
  }
}