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How to create a snake game in html css js

body {
  background: rgb(212, 211, 211);
}

.grid {
  width: 200px;
  height: 200px;
  border: 1px solid red;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
}

.grid div {
  width: 20px;
  height: 20px;
  /*border:1px black solid;
box-sizing:border-box*/
}

.snake {
  background: blue;
}

.apple {
  background: yellow;
  border-radius: 20px;
}

.popup {
  background: rgb(32, 31, 31);
  width: 100px;
  height: 100px;
  position: fixed;
  top: 100px;
  left: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
}

Source: freecodecamp.org

How to create a snake game in html css js

function eatApple(squares, tail) {
  if (squares[currentSnake[0]].classList.contains("apple")) {
    squares[currentSnake[0]].classList.remove("apple");
    squares[tail].classList.add("snake");
    currentSnake.push(tail);
    randomApple(squares);
    score++;
    scoreDisplay.textContent = score;
    clearInterval(interval);
    intervalTime = intervalTime * speed;
    interval = setInterval(moveOutcome, intervalTime);
  }
}

How to create a snake game in html css js

function createBoard() {
  popup.style.display = "none";
  for (let i = 0; i < 100; i++) {
    let div = document.createElement("div");
    grid.appendChild(div);
  }
}

How to create a snake game in html css js

up.addEventListener("click", () => (direction = -width));
bottom.addEventListener("click", () => (direction = +width));
left.addEventListener("click", () => (direction = -1));
right.addEventListener("click", () => (direction = 1));

How to create a snake game in html css js

let grid = document.querySelector(".grid");
let popup = document.querySelector(".popup");
let playAgain = document.querySelector(".playAgain");
let scoreDisplay = document.querySelector(".scoreDisplay");
let left = document.querySelector(".left");
let bottom = document.querySelector(".bottom");
let right = document.querySelector(".right");
let up = document.querySelector(".top");
let width = 10;
let currentIndex = 0;
let appleIndex = 0;
let currentSnake = [2, 1, 0];
let direction = 1;
let score = 0;
let speed = 0.8;
let intervalTime = 0;
let interval = 0;

How to create a snake game in html css js

function randomApple(squares) {
  do {
    appleIndex = Math.floor(Math.random() * squares.length);
  } while (squares[appleIndex].classList.contains("snake"));
  squares[appleIndex].classList.add("apple");
}

How to create a snake game in html css js

function startGame() {
  let squares = document.querySelectorAll(".grid div");
  randomApple(squares);
  //random apple
  direction = 1;
  scoreDisplay.innerHTML = score;
  intervalTime = 1000;
  currentSnake = [2, 1, 0];
  currentIndex = 0;
  currentSnake.forEach((index) => squares[index].classList.add("snake"));
  interval = setInterval(moveOutcome, intervalTime);
}

How to create a snake game in html css js

function replay() {
  grid.innerHTML = "";
  createBoard();
  startGame();
  popup.style.display = "none";
}

How to create a snake game in html css js

<h1>Nokia 3310 snake</h1>
<div class="scoreDisplay"></div>
<div class="grid"></div>
<div class="button">
  <button class="top">top</button>
  <button class="bottom">bottom</button>
  <button class="left">left</button>
  <button class="right">right</button>
</div>
<div class="popup">
  <button class="playAgain">play Again</button>
</div>

How to create a snake game in html css js

function checkForHits(squares) {
  if (
    (currentSnake[0] + width >= width * width && direction === width) ||
    (currentSnake[0] % width === width - 1 && direction === 1) ||
    (currentSnake[0] % width === 0 && direction === -1) ||
    (currentSnake[0] - width <= 0 && direction === -width) ||
    squares[currentSnake[0] + direction].classList.contains("snake")
  ) {
    return true;
  } else {
    return false;
  }
}

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