写一个贪吃蛇html 的代码
时间: 2024-01-06 12:05:03 浏览: 72
贪吃蛇html代码
抱歉,作为AI语言模型,我无法提供完整的HTML代码。但是我可以提供一个基础的贪吃蛇游戏的HTML和JavaScript代码示例,供您参考:
HTML代码:
```
<!DOCTYPE html>
<html>
<head>
<title>贪吃蛇游戏</title>
<style>
#gameBoard {
width: 600px;
height: 400px;
border: 1px solid black;
margin: 0 auto;
position: relative;
}
.snake {
width: 20px;
height: 20px;
background-color: green;
position: absolute;
}
.food {
width: 20px;
height: 20px;
background-color: red;
position: absolute;
}
</style>
</head>
<body>
<div id="gameBoard">
</div>
<script src="snake.js"></script>
</body>
</html>
```
JavaScript代码:
```
var gameBoard = document.getElementById("gameBoard");
var score = 0;
var direction = "right";
var snake = [{
x: 0,
y: 0
}];
var food = {
x: Math.floor(Math.random() * 30) * 20,
y: Math.floor(Math.random() * 20) * 20
};
function drawSnake() {
for (var i = 0; i < snake.length; i++) {
var snakeElement = document.createElement("div");
snakeElement.style.left = snake[i].x + "px";
snakeElement.style.top = snake[i].y + "px";
snakeElement.className = "snake";
gameBoard.appendChild(snakeElement);
}
}
function drawFood() {
var foodElement = document.createElement("div");
foodElement.style.left = food.x + "px";
foodElement.style.top = food.y + "px";
foodElement.className = "food";
gameBoard.appendChild(foodElement);
}
function moveSnake() {
var newHead = {
x: snake[0].x,
y: snake[0].y
};
if (direction === "right") {
newHead.x += 20;
} else if (direction === "left") {
newHead.x -= 20;
} else if (direction === "up") {
newHead.y -= 20;
} else if (direction === "down") {
newHead.y += 20;
}
snake.unshift(newHead);
snake.pop();
}
function eatFood() {
if (snake[0].x === food.x && snake[0].y === food.y) {
score += 10;
food = {
x: Math.floor(Math.random() * 30) * 20,
y: Math.floor(Math.random() * 20) * 20
};
moveSnake();
var foodElement = document.querySelector(".food");
gameBoard.removeChild(foodElement);
drawFood();
}
}
function gameOver() {
for (var i = 1; i < snake.length; i++) {
if (snake[i].x === snake[0].x && snake[i].y === snake[0].y) {
clearInterval(gameInterval);
alert("游戏结束!得分:" + score);
return;
}
}
if (snake[0].x < 0 || snake[0].x >= 600 || snake[0].y < 0 || snake[0].y >= 400) {
clearInterval(gameInterval);
alert("游戏结束!得分:" + score);
return;
}
}
document.addEventListener("keydown", function(event) {
if (event.keyCode === 37 && direction !== "right") {
direction = "left";
} else if (event.keyCode === 38 && direction !== "down") {
direction = "up";
} else if (event.keyCode === 39 && direction !== "left") {
direction = "right";
} else if (event.keyCode === 40 && direction !== "up") {
direction = "down";
}
});
drawSnake();
drawFood();
var gameInterval = setInterval(function() {
moveSnake();
drawSnake();
eatFood();
gameOver();
}, 200);
```
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