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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<title>简单飞机大战</title>
<style>
body {
margin: 0;
overflow: hidden;
background: #000; /* 黑色背景 */
}
canvas {
display: block;
margin: 0 auto;
background: #111;
border: 1px solid #555;
}
</style>
</head>
<body>
<canvas id="gameCanvas" width="400" height="600"></canvas>
<script>
const canvas = document.getElementById('gameCanvas');
const ctx = canvas.getContext('2d');
// 小飞机
const plane = {
x: canvas.width / 2 - 15,
y: canvas.height - 60,
width: 30,
height: 40,
speed: 5,
moveLeft: false,
moveRight: false
};
// 子弹数组
const bullets = [];
// 敌机数组
const enemies = [];
let score = 0;
let gameOver = false;
// 监听键盘事件
document.addEventListener('keydown', e => {
if (e.code === 'ArrowLeft') plane.moveLeft = true;
if (e.code === 'ArrowRight') plane.moveRight = true;
if (e.code === 'Space') shootBullet();
});
document.addEventListener('keyup', e => {
if (e.code === 'ArrowLeft') plane.moveLeft = false;
if (e.code === 'ArrowRight') plane.moveRight = false;
});
// 发射子弹函数
function shootBullet() {
bullets.push({
x: plane.x + plane.width / 2 - 2.5,
y: plane.y,
width: 5,
height: 10,
speed: 7
});
}
// 生成敌机
function spawnEnemy() {
const size = 30;
enemies.push({
x: Math.random() * (canvas.width - size),
y: -size,
width: size,
height: size,
speed: 2 + Math.random() * 2
});
}
// 每隔一秒生成一个敌机
setInterval(() => {
if (!gameOver) spawnEnemy();
}, 1000);
// 检测两个矩形是否相交（碰撞检测）
function isColliding(a, b) {
return a.x < b.x + b.width &&
a.x + a.width > b.x &&
a.y < b.y + b.height &&
a.y + a.height > b.y;
}
// 游戏主循环
function update() {
if (gameOver) {
ctx.fillStyle = 'white';
ctx.font = '30px Arial';
ctx.fillText('游戏结束', canvas.width / 2 - 70, canvas.height / 2);
ctx.fillText('得分: ' + score, canvas.width / 2 - 50, canvas.height / 2 + 40);
return;
}
// 清空画布
ctx.clearRect(0, 0, canvas.width, canvas.height);
// 移动飞机
if (plane.moveLeft && plane.x > 0) {
plane.x -= plane.speed;
}
if (plane.moveRight && plane.x + plane.width < canvas.width) {
plane.x += plane.speed;
}
// 画飞机（用绿色三角形表示）
ctx.fillStyle = 'lime';
ctx.beginPath();
ctx.moveTo(plane.x + plane.width / 2, plane.y);
ctx.lineTo(plane.x, plane.y + plane.height);
ctx.lineTo(plane.x + plane.width, plane.y + plane.height);
ctx.closePath();
ctx.fill();
// 移动子弹
for (let i = bullets.length - 1; i >= 0; i--) {
let b = bullets[i];
b.y -= b.speed;
// 超出屏幕就删掉
if (b.y + b.height < 0) {
bullets.splice(i, 1);
continue;
}
// 画子弹（黄色矩形）
ctx.fillStyle = 'yellow';
ctx.fillRect(b.x, b.y, b.width, b.height);
}
// 移动敌机
for (let i = enemies.length - 1; i >= 0; i--) {
let e = enemies[i];
e.y += e.speed;
// 如果敌机碰到飞机，游戏结束
if (isColliding(e, plane)) {
gameOver = true;
}
// 如果敌机跑到底部，游戏也结束
else if (e.y > canvas.height) {
gameOver = true;
}
// 画敌机（红色矩形）
ctx.fillStyle = 'red';
ctx.fillRect(e.x, e.y, e.width, e.height);
}
// 碰撞检测：子弹和敌机
for (let i = enemies.length - 1; i >= 0; i--) {
for (let j = bullets.length - 1; j >= 0; j--) {
if (isColliding(enemies[i], bullets[j])) {
enemies.splice(i, 1);
bullets.splice(j, 1);
score += 10;
break;
}
}
}
// 显示分数
ctx.fillStyle = 'white';
ctx.font = '20px Arial';
ctx.fillText('得分: ' + score, 10, 30);
requestAnimationFrame(update);
}
update();
</script>
</body>
</html>

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<title>简易飞机大战游戏</title>
<style>
body {
margin: 0;
background: black;
overflow: hidden;
}
#gameCanvas {
background: #000;
display: block;
margin: 0 auto;
border: 2px solid white;
}
</style>
</head>
<body>
<canvas id="gameCanvas" width="400" height="600"></canvas>
<script>
const canvas = document.getElementById('gameCanvas');
const ctx = canvas.getContext('2d');
// 飞机对象
const plane = {
x: canvas.width / 2 - 20,
y: canvas.height - 60,
width: 40,
height: 40,
speed: 5
};
// 按键状态
const keys = {};
// 子弹数组
const bullets = [];
// 敌机数组
const enemies = [];
// 生成敌机函数
function createEnemy() {
const enemy = {
x: Math.random() * (canvas.width - 40),
y: -40,
width: 40,
height: 40,
speed: 2 + Math.random() * 2
};
enemies.push(enemy);
}
// 画飞机
function drawPlane() {
ctx.fillStyle = 'deepskyblue';
// 飞机像个三角形，我们画简单点
ctx.beginPath();
ctx.moveTo(plane.x + plane.width/2, plane.y);
ctx.lineTo(plane.x, plane.y + plane.height);
ctx.lineTo(plane.x + plane.width, plane.y + plane.height);
ctx.closePath();
ctx.fill();
}
// 画子弹
function drawBullets() {
ctx.fillStyle = 'yellow';
bullets.forEach(bullet => {
ctx.fillRect(bullet.x, bullet.y, bullet.width, bullet.height);
});
}
// 画敌机
function drawEnemies() {
ctx.fillStyle = 'red';
enemies.forEach(enemy => {
ctx.fillRect(enemy.x, enemy.y, enemy.width, enemy.height);
});
}
// 更新游戏状态
function update() {
// 根据按键移动飞机
if (keys['ArrowLeft'] && plane.x > 0) {
plane.x -= plane.speed;
}
if (keys['ArrowRight'] && plane.x < canvas.width - plane.width) {
plane.x += plane.speed;
}
// 更新子弹位置
bullets.forEach((bullet, i) => {
bullet.y -= bullet.speed;
if (bullet.y < 0) {
bullets.splice(i, 1);
}
});
// 更新敌机位置
enemies.forEach((enemy, i) => {
enemy.y += enemy.speed;
if (enemy.y > canvas.height) {
enemies.splice(i, 1);
}
});
// 子弹和敌机碰撞检测
bullets.forEach((bullet, bIndex) => {
enemies.forEach((enemy, eIndex) => {
if (
bullet.x < enemy.x + enemy.width &&
bullet.x + bullet.width > enemy.x &&
bullet.y < enemy.y + enemy.height &&
bullet.y + bullet.height > enemy.y
) {
// 碰撞了，删掉子弹和敌机
bullets.splice(bIndex, 1);
enemies.splice(eIndex, 1);
}
});
});
}
// 画面刷新
function draw() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
drawPlane();
drawBullets();
drawEnemies();
}
// 游戏主循环
function gameLoop() {
update();
draw();
requestAnimationFrame(gameLoop);
}
// 控制按键按下
window.addEventListener('keydown', (e) => {
keys[e.key] = true;
// 空格键发射子弹
if (e.key === ' ') {
bullets.push({
x: plane.x + plane.width/2 - 2,
y: plane.y,
width: 4,
height: 10,
speed: 7
});
}
});
// 放开按键
window.addEventListener('keyup', (e) => {
keys[e.key] = false;
});
// 每隔一秒生成一个敌机
setInterval(createEnemy, 1000);
// 开始游戏
gameLoop();
</script>
</body>
</html>

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<title>贪吃蛇游戏-WASD控制</title>
<style>
body {
text-align: center;
margin-top: 20px;
font-family: Arial, sans-serif;
}
#gameCanvas {
background-color: #000;
display: block;
margin: 0 auto;
border: 2px solid #333;
}
#startButton {
margin-top: 15px;
padding: 10px 20px;
font-size: 16px;
}
#scoreDisplay {
margin-top: 10px;
color: green;
font-weight: bold;
}
</style>
</head>
<body>
<canvas id="gameCanvas" width="400" height="400"></canvas>
<div>
<button id="startButton">开始游戏</button>
</div>
<div id="scoreDisplay">得分: 0</div>
<script>
const canvas = document.getElementById("gameCanvas");
const context = canvas.getContext("2d");
const startButton = document.getElementById("startButton");
const scoreDisplay = document.getElementById("scoreDisplay");
const gridSize = 20;
let snake = [];
let food = { x: 0, y: 0 };
let dx = gridSize;
let dy = 0;
let score = 0;
let game; // 计时器句柄
function drawSnake() {
context.clearRect(0, 0, canvas.width, canvas.height);
snake.forEach(part => {
context.fillStyle = "green";
context.fillRect(part.x, part.y, gridSize, gridSize);
});
}
function generateFood() {
food.x = Math.floor(Math.random() * (canvas.width / gridSize)) * gridSize;
food.y = Math.floor(Math.random() * (canvas.height / gridSize)) * gridSize;
// 确保食物不生成在蛇身上
while (snake.some(part => part.x === food.x && part.y === food.y)) {
food.x = Math.floor(Math.random() * (canvas.width / gridSize)) * gridSize;
food.y = Math.floor(Math.random() * (canvas.height / gridSize)) * gridSize;
}
}
function drawFood() {
context.fillStyle = "red";
context.fillRect(food.x, food.y, gridSize, gridSize);
}
function moveSnake() {
const head = { x: snake[0].x + dx, y: snake[0].y + dy };
// 判断是否撞墙
if (
head.x < 0 ||
head.x >= canvas.width ||
head.y < 0 ||
head.y >= canvas.height
) {
clearInterval(game);
alert("游戏结束！你的得分是：" + score);
return false;
}
// 判断是否撞自己
if (snake.some(part => part.x === head.x && part.y === head.y)) {
clearInterval(game);
alert("游戏结束！你的得分是：" + score);
return false;
}
snake.unshift(head);
if (head.x === food.x && head.y === food.y) {
score++;
scoreDisplay.textContent = "得分: " + score;
generateFood();
} else {
snake.pop();
}
return true;
}
function changeDirection(event) {
const keyPressed = event.code;
// 防止撞到自己，不能180度调头
if (keyPressed === "KeyA" && dx === 0) { // A左
dx = -gridSize;
dy = 0;
} else if (keyPressed === "KeyD" && dx === 0) { // D右
dx = gridSize;
dy = 0;
} else if (keyPressed === "KeyW" && dy === 0) { // W上
dx = 0;
dy = -gridSize;
} else if (keyPressed === "KeyS" && dy === 0) { // S下
dx = 0;
dy = gridSize;
}
}
function gameLoop() {
if (!moveSnake()) {
// 游戏结束，停止绘制
return;
}
drawSnake();
drawFood();
}
startButton.addEventListener("click", () => {
clearInterval(game);
snake = [
{ x: 160, y: 200 },
{ x: 140, y: 200 },
{ x: 120, y: 200 },
];
dx = gridSize;
dy = 0;
score = 0;
scoreDisplay.textContent = "得分: 0";
generateFood();
drawSnake();
drawFood();
game = setInterval(gameLoop, 100);
});
document.addEventListener("keydown", changeDirection);
</script>
</body>
</html>

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