Snake Game

Open In Editor Publish Your Code

Snake Game

Recommended

19 May 2025

fly box for game animation

26 September 2024

Stack Game

27 October 2024

Cracked Game Site Public Anyone can post

HTML

CSS

JS

const canvas = document.getElementById('gameCanvas');
const ctx = canvas.getContext('2d');

canvas.width = 500;
canvas.height = 500;

const blockSize = 20;
let speed = 100;
let snake = [
  { x: 240, y: 240 },
  { x: 220, y: 240 },
  { x: 200, y: 240 }
];
let direction = 'RIGHT';
let food = generateFood();
let score = 0;
let gameOver = false;

function moveSnake() {
  const head = { ...snake[0] };

if (direction === 'UP') head.y -= blockSize;
  if (direction === 'DOWN') head.y += blockSize;
  if (direction === 'LEFT') head.x -= blockSize;
  if (direction === 'RIGHT') head.x += blockSize;

snake.unshift(head);

if (head.x === food.x && head.y === food.y) {
    score += 10;
    food = generateFood();
    updateScore();
    if (score % 50 === 0) {
      speed -= 10;
    }
  } else {
    snake.pop();
  }
}

function generateFood() {
  let x = Math.floor(Math.random() * (canvas.width / blockSize)) * blockSize;
  let y = Math.floor(Math.random() * (canvas.height / blockSize)) * blockSize;
  return { x, y };
}

function drawSnake() {
  ctx.fillStyle = 'green';
  snake.forEach((segment, index) => {
    if (index === 0) {
      ctx.fillStyle = 'darkgreen';
    } else {
      ctx.fillStyle = 'green';
    }
    ctx.fillRect(segment.x, segment.y, blockSize, blockSize);
  });
}

function drawFood() {
  ctx.fillStyle = 'red';
  ctx.fillRect(food.x, food.y, blockSize, blockSize);
}

function checkCollisions() {
  const head = snake[0];

if (head.x < 0 || head.x >= canvas.width || head.y < 0 || head.y >= canvas.height) {
    gameOver = true;
  }

for (let i = 1; i < snake.length; i++) {
    if (head.x === snake[i].x && head.y === snake[i].y) {
      gameOver = true;
    }
  }
}

function updateScore() {
  document.getElementById('scoreDisplay').innerText = `Score: ${score}`;
}

function draw() {
  ctx.clearRect(0, 0, canvas.width, canvas.height);
  drawSnake();
  drawFood();
}

function gameLoop() {
  if (gameOver) return showGameOver();

moveSnake();
  checkCollisions();
  draw();
}

function showGameOver() {
  document.getElementById('gameOverText').style.display = 'block';
}

document.addEventListener('keydown', (e) => {
  if (e.code === 'ArrowUp' && direction !== 'DOWN') {
    direction = 'UP';
  } else if (e.code === 'ArrowDown' && direction !== 'UP') {
    direction = 'DOWN';
  } else if (e.code === 'ArrowLeft' && direction !== 'RIGHT') {
    direction = 'LEFT';
  } else if (e.code === 'ArrowRight' && direction !== 'LEFT') {
    direction = 'RIGHT';
  }
});

setInterval(gameLoop, speed);