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Script

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<!DOCTYPE html>
<html>
<head>
<title>Krishna Snake Game</title>
<style>
  canvas {
    background: black;
    display: block;
    margin: auto;
  }
</style>
</head>
<body>

<h2 style="text-align:center;">🐍 Krishna Snake Game</h2>
<canvas id="game" width="400" height="400"></canvas>

<script>
let canvas = document.getElementById("game");
let ctx = canvas.getContext("2d");

let box = 20;
let snake = [{x: 200, y: 200}];
let food = {
  x: Math.floor(Math.random()*20)*box,
  y: Math.floor(Math.random()*20)*box
};
let direction = "";

document.addEventListener("keydown", changeDirection);

function changeDirection(event){
  if(event.key === "ArrowUp" && direction !== "DOWN") direction = "UP";
  if(event.key === "ArrowDown" && direction !== "UP") direction = "DOWN";
  if(event.key === "ArrowLeft" && direction !== "RIGHT") direction = "LEFT";
  if(event.key === "ArrowRight" && direction !== "LEFT") direction = "RIGHT";
}

function draw(){
  ctx.fillStyle = "black";
  ctx.fillRect(0,0,400,400);

  for(let i=0; i<snake.length; i++){
    ctx.fillStyle = i==0 ? "lime" : "green";
    ctx.fillRect(snake[i].x, snake[i].y, box, box);
  }

  ctx.fillStyle = "red";
  ctx.fillRect(food.x, food.y, box, box);

  let headX = snake[0].x;
  let headY = snake[0].y;

  if(direction == "UP") headY -= box;
  if(direction == "DOWN") headY += box;
  if(direction == "LEFT") headX -= box;
  if(direction == "RIGHT") headX += box;

  if(headX == food.x && headY == food.y){
    food = {
      x: Math.floor(Math.random()*20)*box,
      y: Math.floor(Math.random()*20)*box
    };
  } else {
    snake.pop();
  }

  let newHead = {x: headX, y: headY};

  if(headX < 0 || headY < 0 || headX >= 400 || headY >= 400){
    clearInterval(game);
    alert("Game Over Krishna 😢");
  }

  snake.unshift(newHead);
}

let game = setInterval(draw, 150);
</script>

</body>
</html>

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2KB

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2KB

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291.0ms

Dom Content Loaded

304.0ms

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291.0ms

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