c++贪吃蛇进阶版
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>进阶版贪吃蛇</title>
<script src="https://cdn.tailwindcss.com"></script>
<link href="https://cdn.jsdelivr.net/npm/font-awesome@4.7.0/css/font-awesome.min.css" rel="stylesheet">
<script>
tailwind.config = {
theme: {
extend: {
colors: {
primary: '#4F46E5',
secondary: '#EC4899',
dark: '#0F172A',
darker: '#020617',
'dark-accent': '#1E293B',
light: '#F9FAFB'
},
fontFamily: {
game: ['Poppins', 'sans-serif'],
},
}
}
}
</script>
<style type="text/tailwindcss">
@layer utilities {
.content-auto {
content-visibility: auto;
}
.grid-bg {
background-size: 30px 30px;
background-image:
linear-gradient(to right, rgba(255,255,255,0.07) 1px, transparent 1px),
linear-gradient(to bottom, rgba(255,255,255,0.07) 1px, transparent 1px);
animation: gridShift 20s linear infinite;
}
.text-shadow {
text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.glow {
filter: drop-shadow(0 0 8px rgba(79, 70, 229, 0.5));
}
.food-glow {
filter: drop-shadow(0 0 10px rgba(255, 165, 0, 0.7));
}
.bg-game-gradient {
background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
}
.border-gradient {
border-image: linear-gradient(45deg, #4F46E5, #EC4899) 1;
}
.rainbow-1 { background: linear-gradient(90deg, #FF5E5E, #FF7D5E); }
.rainbow-2 { background: linear-gradient(90deg, #FF7D5E, #FFB347); }
.rainbow-3 { background: linear-gradient(90deg, #FFB347, #FFF275); }
.rainbow-4 { background: linear-gradient(90deg, #FFF275, #93FF96); }
.rainbow-5 { background: linear-gradient(90deg, #93FF96, #42D7F5); }
.rainbow-6 { background: linear-gradient(90deg, #42D7F5, #7D5FFF); }
.rainbow-7 { background: linear-gradient(90deg, #7D5FFF, #C774E8); }
.rainbow-8 { background: linear-gradient(90deg, #C774E8, #FF5E5E); }
@keyframes gridShift {
0% { background-position: 0 0; }
100% { background-position: 30px 30px; }
}
@keyframes pulse {
0%, 100% { transform: scale(1); }
50% { transform: scale(1.05); }
}
@keyframes fadeIn {
from { opacity: 0; transform: scale(0.9); }
to { opacity: 1; transform: scale(1); }
}
.animate-fade-in {
animation: fadeIn 0.5s ease-out forwards;
}
.animate-pulse-slow {
animation: pulse 3s infinite;
}
}
</style>
</head>
<body class="bg-game-gradient font-game text-light min-h-screen flex flex-col items-center justify-start p-4 overflow-hidden pt-4">
<div class="max-w-3xl w-full flex flex-col h-[calc(100vh-2rem)]">
<header class="mb-4 flex justify-between items-center flex-shrink-0">
<h1 class="text-[clamp(1.2rem,4vw,2rem)] font-bold text-transparent bg-clip-text bg-gradient-to-r from-primary to-secondary text-shadow animate-pulse-slow">进阶版贪吃蛇</h1>
<div id="score-display" class="bg-dark/60 backdrop-blur-md px-4 py-2 rounded-lg border border-white/15 shadow-lg glow transition-all duration-300 hover:shadow-primary/20">
<span class="text-sm font-medium text-white/70">分数:</span>
<span id="score" class="text-xl font-bold ml-2 transition-all duration-300">0</span>
</div>
</header>
<div class="relative bg-dark-accent/80 backdrop-blur-sm rounded-xl overflow-hidden shadow-2xl border-2 border-transparent border-gradient flex-grow mb-4 transition-all duration-500 hover:shadow-primary/10">
<canvas id="gameCanvas" class="w-full h-full grid-bg"></canvas>
<div id="gameOver" class="absolute inset-0 bg-dark/70 backdrop-blur-md flex flex-col items-center justify-center hidden animate-fade-in">
<h2 class="text-[clamp(2rem,6vw,3.5rem)] font-bold mb-2 text-transparent bg-clip-text bg-gradient-to-r from-red-500 to-yellow-500 text-shadow">游戏结束!</h2>
<p class="text-[clamp(1rem,3vw,1.5rem)] mb-6">最终分数: <span id="finalScore" class="font-bold">0</span></p>
<button id="restartButton" class="px-8 py-3 bg-gradient-to-r from-primary to-secondary rounded-full text-white font-bold shadow-lg hover:shadow-primary/30 hover:scale-105 transition-all duration-300 focus:outline-none focus:ring-2 focus:ring-primary/50">
<i class="fa fa-refresh mr-2"></i>重新开始
</button>
</div>
</div>
<div class="mt-2 text-center text-white/60 text-sm flex-shrink-0">
<p class="flex flex-wrap justify-center items-center gap-x-1">使用方向键
<i class="fa fa-arrow-up mx-1"></i>
<i class="fa fa-arrow-down mx-1"></i>
<i class="fa fa-arrow-left mx-1"></i>
<i class="fa fa-arrow-right mx-1"></i>
控制蛇的移动
</p>
<p class="mt-1">每吃一个食物，蛇的速度会增加，颜色也会变化</p>
</div>
</div>
<script>
document.addEventListener('DOMContentLoaded', () => {
const canvas = document.getElementById('gameCanvas');
const ctx = canvas.getContext('2d');
const scoreDisplay = document.getElementById('score');
const gameOverScreen = document.getElementById('gameOver');
const finalScoreDisplay = document.getElementById('finalScore');
const restartButton = document.getElementById('restartButton');
const gameContainer = canvas.parentElement;
// 设置Canvas尺寸
function resizeCanvas() {
const containerWidth = gameContainer.clientWidth;
const containerHeight = gameContainer.clientHeight;
canvas.width = containerWidth;
canvas.height = containerHeight;
}
resizeCanvas();
window.addEventListener('resize', resizeCanvas);
// 游戏变量
let snake = [];
let food = {};
let direction = 'right';
let nextDirection = 'right';
let score = 0;
let gameSpeed = 150;
let gameInterval;
let isGameOver = false;
let gridSize;
let snakeSize;
let foodSize;
let rainbowColors = [
'rainbow-1', 'rainbow-2', 'rainbow-3', 'rainbow-4',
'rainbow-5', 'rainbow-6', 'rainbow-7', 'rainbow-8'
];
let currentColorIndex = 0;
let foodBlinkState = 1;
let foodBlinkRate = 0.02;
// 初始化游戏
function initGame() {
gridSize = Math.floor(canvas.width / 25);
snakeSize = gridSize * 0.8;
foodSize = gridSize * 0.9;
snake = [
{x: 5 * gridSize, y: 5 * gridSize},
{x: 4 * gridSize, y: 5 * gridSize},
{x: 3 * gridSize, y: 5 * gridSize}
];
direction = 'right';
nextDirection = 'right';
score = 0;
gameSpeed = 150;
isGameOver = false;
currentColorIndex = 0;
scoreDisplay.textContent = score;
gameOverScreen.classList.add('hidden');
generateFood();
if (gameInterval) clearInterval(gameInterval);
gameInterval = setInterval(gameLoop, gameSpeed);
}
// 生成食物
function generateFood() {
const maxX = Math.floor(canvas.width / gridSize) - 1;
const maxY = Math.floor(canvas.height / gridSize) - 1;
let overlapping;
do {
overlapping = false;
food = {
x: Math.floor(Math.random() * maxX) * gridSize,
y: Math.floor(Math.random() * maxY) * gridSize,
blink: 1,
blinkDir: -foodBlinkRate
};
for (let segment of snake) {
if (segment.x === food.x && segment.y === food.y) {
overlapping = true;
break;
}
}
} while (overlapping);
}
// 绘制蛇（带平滑动画效果）
function drawSnake() {
snake.forEach((segment, index) => {
// 计算每个段的颜色（略微变化以增强层次感）
const colorIndex = (currentColorIndex + Math.floor(index / 3)) % rainbowColors.length;
const colorClass = rainbowColors[colorIndex];
const colors = getGradientColors(colorClass);
// 创建渐变色
const gradient = ctx.createLinearGradient(
segment.x, segment.y,
segment.x + snakeSize, segment.y + snakeSize
);
gradient.addColorStop(0, colors.start);
gradient.addColorStop(1, colors.end);
// 蛇身体轻微缩放动画（呼吸效果）
const scale = 1 + Math.sin(Date.now() / 300 + index * 0.5) * 0.02;
ctx.save();
ctx.translate(segment.x + gridSize/2, segment.y + gridSize/2);
ctx.scale(scale, scale);
ctx.translate(-(segment.x + gridSize/2), -(segment.y + gridSize/2));
// 绘制蛇身体（带圆角）
ctx.fillStyle = gradient;
ctx.beginPath();
ctx.roundRect(
segment.x + (gridSize - snakeSize) / 2,
segment.y + (gridSize - snakeSize) / 2,
snakeSize, snakeSize, snakeSize / 4
);
ctx.fill();
// 添加高光效果
ctx.fillStyle = 'rgba(255, 255, 255, 0.1)';
ctx.beginPath();
ctx.roundRect(
segment.x + (gridSize - snakeSize) / 2,
segment.y + (gridSize - snakeSize) / 2,
snakeSize * 0.6, snakeSize * 0.6, snakeSize / 8
);
ctx.fill();
ctx.restore();
// 绘制眼睛（只在头部）
if (index === 0) {
drawEyes(segment);
}
});
}
// 绘制蛇的眼睛
function drawEyes(segment) {
ctx.fillStyle = '#fff';
// 根据方向调整眼睛位置
let leftEyeX, leftEyeY, rightEyeX, rightEyeY;
const eyeSize = snakeSize / 8;
const eyeOffset = Math.sin(Date.now() / 300) * eyeSize * 0.3; // 眼睛动画
switch(direction) {
case 'right':
leftEyeX = segment.x + snakeSize * 0.7 + eyeOffset;
leftEyeY = segment.y + snakeSize * 0.3;
rightEyeX = segment.x + snakeSize * 0.7 + eyeOffset;
rightEyeY = segment.y + snakeSize * 0.7;
break;
case 'left':
leftEyeX = segment.x + snakeSize * 0.3 - eyeOffset;
leftEyeY = segment.y + snakeSize * 0.3;
rightEyeX = segment.x + snakeSize * 0.3 - eyeOffset;
rightEyeY = segment.y + snakeSize * 0.7;
break;
case 'up':
leftEyeX = segment.x + snakeSize * 0.3;
leftEyeY = segment.y + snakeSize * 0.3 - eyeOffset;
rightEyeX = segment.x + snakeSize * 0.7;
rightEyeY = segment.y + snakeSize * 0.3 - eyeOffset;
break;
case 'down':
leftEyeX = segment.x + snakeSize * 0.3;
leftEyeY = segment.y + snakeSize * 0.7 + eyeOffset;
rightEyeX = segment.x + snakeSize * 0.7;
rightEyeY = segment.y + snakeSize * 0.7 + eyeOffset;
break;
}
// 眼睛白色部分
ctx.beginPath();
ctx.arc(leftEyeX, leftEyeY, eyeSize, 0, Math.PI * 2);
ctx.arc(rightEyeX, rightEyeY, eyeSize, 0, Math.PI * 2);
ctx.fill();
// 瞳孔（随时间微动）
const pupilOffsetX = Math.sin(Date.now() / 500) * eyeSize * 0.2;
const pupilOffsetY = Math.cos(Date.now() / 500) * eyeSize * 0.2;
ctx.fillStyle = '#000';
ctx.beginPath();
ctx.arc(leftEyeX + pupilOffsetX, leftEyeY + pupilOffsetY, eyeSize / 2, 0, Math.PI * 2);
ctx.arc(rightEyeX + pupilOffsetX, rightEyeY + pupilOffsetY, eyeSize / 2, 0, Math.PI * 2);
ctx.fill();
}
// 获取渐变颜色
function getGradientColors(colorClass) {
const gradients = {
'rainbow-1': { start: '#FF5E5E', end: '#FF7D5E' },
'rainbow-2': { start: '#FF7D5E', end: '#FFB347' },
'rainbow-3': { start: '#FFB347', end: '#FFF275' },
'rainbow-4': { start: '#FFF275', end: '#93FF96' },
'rainbow-5': { start: '#93FF96', end: '#42D7F5' },
'rainbow-6': { start: '#42D7F5', end: '#7D5FFF' },
'rainbow-7': { start: '#7D5FFF', end: '#C774E8' },
'rainbow-8': { start: '#C774E8', end: '#FF5E5E' }
};
return gradients[colorClass] || { start: '#4F46E5', end: '#EC4899' };
}
// 绘制食物（增强动画效果）
function drawFood() {
// 更新食物闪烁状态
food.blink += food.blinkDir;
if (food.blink <= 0.8 || food.blink >= 1.2) {
food.blinkDir *= -1;
}
ctx.save();
ctx.translate(food.x + gridSize / 2, food.y + gridSize / 2);
ctx.rotate(Date.now() / 800); // 稍快的旋转速度
ctx.scale(food.blink, food.blink); // 闪烁效果
// 绘制星星
ctx.beginPath();
ctx.moveTo(0, -foodSize / 2);
for (let i = 1; i < 10; i++) {
const angle = (i * 2 * Math.PI / 10) - (Math.PI / 2);
const radius = i % 2 === 0 ? foodSize / 2 : foodSize / 5;
ctx.lineTo(Math.cos(angle) * radius, Math.sin(angle) * radius);
}
ctx.closePath();
// 创建更丰富的径向渐变
const gradient = ctx.createRadialGradient(
0, 0, 0,
0, 0, foodSize / 2
);
gradient.addColorStop(0, '#FFEE58');
gradient.addColorStop(0.5, '#FFC107');
gradient.addColorStop(1, '#FF8F00');
ctx.fillStyle = gradient;
ctx.fill();
// 添加更亮的边框和发光效果
ctx.strokeStyle = 'rgba(255, 255, 255, 0.9)';
ctx.lineWidth = 2;
ctx.stroke();
// 中心高光
ctx.fillStyle = 'rgba(255, 255, 255, 0.6)';
ctx.beginPath();
ctx.arc(0, 0, foodSize / 8, 0, Math.PI * 2);
ctx.fill();
ctx.restore();
}
// 绘制吃到食物的粒子效果
function drawParticles(x, y) {
for (let i = 0; i < 8; i++) {
const angle = (i * Math.PI / 4);
const distance = gridSize * 0.6;
const particleX = x + Math.cos(angle) * distance;
const particleY = y + Math.sin(angle) * distance;
const colorClass = rainbowColors[i % rainbowColors.length];
const colors = getGradientColors(colorClass);
ctx.fillStyle = colors.start;
ctx.beginPath();
ctx.arc(particleX, particleY, gridSize / 8, 0, Math.PI * 2);
ctx.fill();
}
}
// 检查碰撞
function checkCollision() {
const head = {...snake[0]};
if (
head.x < 0 ||
head.x >= canvas.width ||
head.y < 0 ||
head.y >= canvas.height
) {
return true;
}
for (let i = 1; i < snake.length; i++) {
if (head.x === snake[i].x && head.y === snake[i].y) {
return true;
}
}
return false;
}
// 分数增加动画
function animateScoreIncrease() {
const scoreElement = document.getElementById('score');
scoreElement.classList.add('scale-125', 'text-secondary');
setTimeout(() => {
scoreElement.classList.remove('scale-125', 'text-secondary');
}, 300);
}
// 游戏主循环
function gameLoop() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
direction = nextDirection;
const head = {x: snake[0].x, y: snake[0].y};
switch(direction) {
case 'up':
head.y -= gridSize;
break;
case 'down':
head.y += gridSize;
break;
case 'left':
head.x -= gridSize;
break;
case 'right':
head.x += gridSize;
break;
}
snake.unshift(head);
let ateFood = false;
if (head.x === food.x && head.y === food.y) {
score += 10;
scoreDisplay.textContent = score;
animateScoreIncrease();
gameSpeed = Math.max(50, gameSpeed - 5);
currentColorIndex++;
generateFood();
clearInterval(gameInterval);
gameInterval = setInterval(gameLoop, gameSpeed);
ateFood = true;
} else {
snake.pop();
}
if (checkCollision()) {
gameOver();
return;
}
drawSnake();
drawFood();
// 如果吃到食物，绘制粒子效果
if (ateFood) {
drawParticles(head.x + gridSize/2, head.y + gridSize/2);
}
}
// 游戏结束
function gameOver() {
isGameOver = true;
clearInterval(gameInterval);
finalScoreDisplay.textContent = score;
gameOverScreen.classList.remove('hidden');
}
// 键盘控制
document.addEventListener('keydown', (e) => {
if (isGameOver && e.key === ' ') {
initGame();
return;
}
if (['ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight', ' '].includes(e.key)) {
e.preventDefault();
}
switch(e.key) {
case 'ArrowUp':
if (direction !== 'down') {
nextDirection = 'up';
}
break;
case 'ArrowDown':
if (direction !== 'up') {
nextDirection = 'down';
}
break;
case 'ArrowLeft':
if (direction !== 'right') {
nextDirection = 'left';
}
break;
case 'ArrowRight':
if (direction !== 'left') {
nextDirection = 'right';
}
break;
}
});
// 触摸控制
let touchStartX = 0;
let touchStartY = 0;
canvas.addEventListener('touchstart', (e) => {
touchStartX = e.touches[0].clientX;
touchStartY = e.touches[0].clientY;
e.preventDefault();
}, { passive: false });
canvas.addEventListener('touchmove', (e) => {
e.preventDefault();
}, { passive: false });
canvas.addEventListener('touchend', (e) => {
if (!touchStartX || !touchStartY) return;
const touchEndX = e.changedTouches[0].clientX;
const touchEndY = e.changedTouches[0].clientY;
const diffX = touchEndX - touchStartX;
const diffY = touchEndY - touchStartY;
if (Math.abs(diffX) > Math.abs(diffY)) {
if (diffX > 0 && direction !== 'left') {
nextDirection = 'right';
} else if (diffX < 0 && direction !== 'right') {
nextDirection = 'left';
}
} else {
if (diffY > 0 && direction !== 'up') {
nextDirection = 'down';
} else if (diffY < 0 && direction !== 'down') {
nextDirection = 'up';
}
}
touchStartX = 0;
touchStartY = 0;
e.preventDefault();
}, { passive: false });
// 重新开始按钮
restartButton.addEventListener('click', initGame);
// 初始化游戏
initGame();
});
</script>
</body>
</html>
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