TeleChat3-Coder/Demo/大鱼吃小鱼.html at main · Tele-AI/TeleChat3-Coder · GitHub

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>大鱼吃小鱼</title>
    <style>
        :root {
            --water-top: #006994;
            --water-bottom: #001e36;
            --ui-bg: rgba(255, 255, 255, 0.9);
            --accent-color: #ff9800;
            --text-color: #333;
        }

        body {
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #222;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            overflow: hidden;
        }

        /* 游戏主容器 */
        #game-wrapper {
            position: relative;
            width: 800px;
            height: 600px;
            box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
            border-radius: 12px;
            overflow: hidden;
            background: linear-gradient(to bottom, var(--water-top), var(--water-bottom));
        }

        canvas {
            display: block;
            width: 100%;
            height: 100%;
        }

        /* UI 面板 */
        #ui-panel {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            padding: 15px 20px;
            box-sizing: border-box;
            display: flex;
            justify-content: space-between;
            align-items: center;
            pointer-events: none; /* 让点击穿透到Canvas，除非是按钮 */
        }

        .score-board {
            background: rgba(0, 0, 0, 0.4);
            color: white;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 18px;
            font-weight: bold;
            pointer-events: auto;
        }

        .controls-hint {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            pointer-events: auto;
        }

        /* 状态消息区 */
        #status-message {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.5);
            color: #fff;
            padding: 8px 20px;
            border-radius: 4px;
            font-size: 14px;
            opacity: 0;
            transition: opacity 0.3s;
            pointer-events: none;
        }

        /* 模态框 (开始/结束/胜利) */
        #modal-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10;
        }

        .modal-content {
            background: white;
            padding: 40px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            max-width: 400px;
            animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        @keyframes popIn {
            from { transform: scale(0.8); opacity: 0; }
            to { transform: scale(1); opacity: 1; }
        }

        h1 { margin: 0 0 10px; color: var(--water-top); }
        h2 { margin: 0 0 20px; color: var(--text-color); }
        p { color: #666; margin-bottom: 30px; line-height: 1.5; }

        .btn {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 12px 30px;
            font-size: 18px;
            border-radius: 30px;
            cursor: pointer;
            transition: transform 0.1s, background-color 0.2s;
            font-weight: bold;
            outline: none;
        }

        .btn:hover { background-color: #e68900; transform: scale(1.05); }
        .btn:active { transform: scale(0.95); }

        .hidden { display: none !important; }

    </style>
</head>
<body>

    <div id="game-wrapper">
        <canvas id="gameCanvas" width="800" height="600"></canvas>

        <!-- 顶部UI -->
        <div id="ui-panel">
            <div class="score-board">得分: <span id="score-display">0</span></div>
            <div class="controls-hint">使用方向键 ↑ ↓ ← → 控制移动</div>
        </div>

        <!-- 底部消息反馈 -->
        <div id="status-message">游戏开始！</div>

        <!-- 游戏状态弹窗 -->
        <div id="modal-overlay">
            <div class="modal-content" id="start-screen">
                <h1>大鱼吃小鱼</h1>
                <p>
                    吃掉比你小的鱼来成长。<br>
                    躲避比你大的鱼！<br>
                    目标：达到最大的体型（半径50）。
                </p>
                <button class="btn" onclick="game.start()">开始游戏</button>
            </div>

            <div class="modal-content hidden" id="game-over-screen">
                <h2 style="color: #d32f2f;">被大鱼吃掉了！</h2>
                <p>最终得分: <span id="final-score-loss">0</span></p>
                <button class="btn" onclick="game.restart()">重新开始</button>
            </div>

            <div class="modal-content hidden" id="victory-screen">
                <h2 style="color: #388e3c;">成为最大的鱼！</h2>
                <p>恭喜你通关成功！<br>你已经是海洋霸主了。</p>
                <p>最终得分: <span id="final-score-win">0</span></p>
                <button class="btn" onclick="game.restart()">再玩一次</button>
            </div>
        </div>
    </div>

<script>
/**
 * 游戏配置与常量
 */
const CONFIG = {
    friction: 0.95, // 移动摩擦力
    playerBaseSpeed: 0.5,
    playerMaxSpeed: 6,
    enemyBaseSpeed: 2,
    winRadius: 50,   // 胜利半径
    spawnRate: 60,   // 每多少帧尝试生成敌人 (越小越快)
    colors: {
        player: '#FF9800',
        small: '#4CAF50', // 绿色：可吃
        big: '#F44336'    // 红色：危险
    }
};

/**
 * 鱼类基类
 */
class Fish {
    constructor(x, y, radius, color, isPlayer = false) {
        this.x = x;
        this.y = y;
        this.radius = radius;
        this.color = color;
        this.isPlayer = isPlayer;
        this.angle = 0; // 面向角度

        // 速度向量
        this.velocity = { x: 0, y: 0 };

        if (isPlayer) {
            this.speed = CONFIG.playerBaseSpeed;
        } else {
            this.speed = Math.random() * 1.5 + 0.5; // 随机速度
            // 敌人随机方向
            this.angle = Math.random() * Math.PI * 2;
            this.updateVelocity();
        }
    }

    updateVelocity() {
        // 根据当前角度设置速度向量
        this.velocity.x = Math.cos(this.angle) * this.speed;
        this.velocity.y = Math.sin(this.angle) * this.speed;
    }

    move() {
        this.x += this.velocity.x;
        this.y += this.velocity.y;
    }

    // 边界反弹
    checkBounds(width, height) {
        if (this.x - this.radius < 0) {
            this.x = this.radius;
            this.angle = Math.PI - this.angle;
            this.updateVelocity();
        }
        if (this.x + this.radius > width) {
            this.x = width - this.radius;
            this.angle = Math.PI - this.angle;
            this.updateVelocity();
        }
        if (this.y - this.radius < 0) {
            this.y = this.radius;
            this.angle = -this.angle;
            this.updateVelocity();
        }
        if (this.y + this.radius > height) {
            this.y = height - this.radius;
            this.angle = -this.angle;
            this.updateVelocity();
        }
    }

    draw(ctx) {
        ctx.save();
        ctx.translate(this.x, this.y);
        ctx.rotate(this.angle);

        // 身体
        ctx.beginPath();
        ctx.fillStyle = this.color;
        ctx.arc(0, 0, this.radius, 0, Math.PI * 2);
        ctx.fill();

        // 眼睛
        ctx.beginPath();
        ctx.fillStyle = 'white';
        ctx.arc(this.radius * 0.4, -this.radius * 0.3, this.radius * 0.25, 0, Math.PI * 2);
        ctx.fill();
        ctx.beginPath();
        ctx.fillStyle = 'black';
        ctx.arc(this.radius * 0.5, -this.radius * 0.3, this.radius * 0.1, 0, Math.PI * 2);
        ctx.fill();

        // 尾巴
        ctx.beginPath();
        ctx.fillStyle = this.color;
        ctx.moveTo(-this.radius * 0.8, 0);
        ctx.lineTo(-this.radius * 1.5, -this.radius * 0.6);
        ctx.lineTo(-this.radius * 1.5, this.radius * 0.6);
        ctx.fill();

        ctx.restore();
    }

    grow(amount) {
        this.radius += amount;
    }
}

/**
 * 游戏主逻辑类
 */
class Game {
    constructor() {
        this.canvas = document.getElementById('gameCanvas');
        this.ctx = this.canvas.getContext('2d');
        this.width = this.canvas.width;
        this.height = this.canvas.height;

        this.score = 0;
        this.state = 'START'; // START, PLAYING, GAME_OVER, VICTORY
        this.frameCount = 0;

        // 实体
        this.player = null;
        this.enemies = [];
        this.particles = []; // 可以添加吃鱼特效

        // 输入状态
        this.keys = {
            ArrowUp: false,
            ArrowDown: false,
            ArrowLeft: false,
            ArrowRight: false
        };

        this.bindEvents();
    }

    bindEvents() {
        window.addEventListener('keydown', (e) => {
            if (this.keys.hasOwnProperty(e.code)) this.keys[e.code] = true;
        });
        window.addEventListener('keyup', (e) => {
            if (this.keys.hasOwnProperty(e.code)) this.keys[e.code] = false;
        });
    }

    init() {
        // 初始化玩家
        this.player = new Fish(this.width / 2, this.height / 2, 10, CONFIG.colors.player, true);
        this.enemies = [];
        this.score = 0;
        this.frameCount = 0;
        this.updateUI();
        this.showMessage("准备开始...");
    }

    start() {
        this.init();
        this.state = 'PLAYING';
        this.hideModals();
        this.animate();
    }

    restart() {
        this.start();
    }

    spawnEnemy() {
        // 在边缘生成敌人
        let x, y;
        if (Math.random() < 0.5) {
            x = Math.random() < 0.5 ? -30 : this.width + 30;
            y = Math.random() * this.height;
        } else {
            x = Math.random() * this.width;
            y = Math.random() < 0.5 ? -30 : this.height + 30;
        }

        // 随机大小：有的比玩家小，有的比玩家大
        // 动态调整：确保大概50%概率比玩家小，50%比玩家大，但差距适中
        let sizeVariation = Math.random();
        let radius;
        if (sizeVariation > 0.5) {
            // 生成比玩家小的 (食物)
            radius = Math.max(5, this.player.radius * (0.5 + Math.random() * 0.4));
        } else {
            // 生成比玩家大的 (威胁)
            radius = this.player.radius * (1.2 + Math.random() * 1.5);
            // 限制最大尺寸，防止生成无敌怪
            if (radius > 100) radius = 100;
        }

        // 颜色逻辑
        let color = CONFIG.colors.small;
        if (radius > this.player.radius) color = CONFIG.colors.big;

        const enemy = new Fish(x, y, radius, color);

        // 让敌人朝向玩家大概方向移动，增加互动感
        const angleToPlayer = Math.atan2(this.player.y - y, this.player.x - x);
        // 增加一些随机偏移，不要死板地冲向玩家
        const variance = (Math.random() - 0.5);
        enemy.angle = angleToPlayer + variance;
        enemy.updateVelocity();

        this.enemies.push(enemy);
    }

    handleInput() {
        if (this.state !== 'PLAYING') return;

        // 玩家控制逻辑
        if (this.keys.ArrowUp) {
            this.player.velocity.y -= CONFIG.playerBaseSpeed;
            this.player.angle = -Math.PI / 2;
        }
        if (this.keys.ArrowDown) {
            this.player.velocity.y += CONFIG.playerBaseSpeed;
            this.player.angle = Math.PI / 2;
        }
        if (this.keys.ArrowLeft) {
            this.player.velocity.x -= CONFIG.playerBaseSpeed;
            this.player.angle = Math.PI;
        }
        if (this.keys.ArrowRight) {
            this.player.velocity.x += CONFIG.playerBaseSpeed;
            this.player.angle = 0;
        }

        // 限制最大速度
        const speed = Math.sqrt(this.player.velocity.x**2 + this.player.velocity.y**2);
        if (speed > CONFIG.playerMaxSpeed) {
            const ratio = CONFIG.playerMaxSpeed / speed;
            this.player.velocity.x *= ratio;
            this.player.velocity.y *= ratio;
        }

        // 应用摩擦力
        this.player.velocity.x *= CONFIG.friction;
        this.player.velocity.y *= CONFIG.friction;
    }

    checkCollisions() {
        for (let i = this.enemies.length - 1; i >= 0; i--) {
            const enemy = this.enemies[i];
            const dx = this.player.x - enemy.x;
            const dy = this.player.y - enemy.y;
            const distance = Math.sqrt(dx * dx + dy * dy);

            // 碰撞发生
            if (distance < this.player.radius + enemy.radius) {
                if (this.player.radius >= enemy.radius) {
                    // 玩家吃掉敌人
                    this.score += Math.floor(enemy.radius);
                    this.player.grow(enemy.radius * 0.05); // 缓慢成长

                    // 视觉反馈
                    this.showMessage(`吞噬成功! +${Math.floor(enemy.radius)}分`);

                    // 移除敌人
                    this.enemies.splice(i, 1);
                    this.updateUI();

                    // 胜利检测
                    if (this.player.radius >= CONFIG.winRadius) {
                        this.victory();
                    }

                } else {
                    // 玩家被吃
                    this.gameOver();
                }
            }
        }
    }

    update() {
        if (this.state !== 'PLAYING') return;

        this.handleInput();

        // 移动玩家
        this.player.move();
        this.player.checkBounds(this.width, this.height);

        // 移动敌人 & 生成
        this.frameCount++;
        if (this.frameCount % CONFIG.spawnRate === 0) {
            this.spawnEnemy();
        }

        for (let i = this.enemies.length - 1; i >= 0; i--) {
            this.enemies[i].move();
            // 简单的边界检查，防止它们在内部乱飞太远
            // (如果从外部生成，其实不需要，但如果它们被打散就需要)
            this.enemies[i].checkBounds(this.width, this.height);
        }

        this.checkCollisions();
    }

    draw() {
        // 清空画布
        this.ctx.clearRect(0, 0, this.width, this.height);

        // 绘制玩家
        if (this.player) this.player.draw(this.ctx);

        // 绘制敌人
        this.enemies.forEach(enemy => enemy.draw(this.ctx));
    }

    animate() {
        if (this.state === 'PLAYING') {
            this.update();
            this.draw();
            requestAnimationFrame(() => this.animate());
        }
    }

    updateUI() {
        document.getElementById('score-display').innerText = this.score;
    }

    showMessage(text) {
        const el = document.getElementById('status-message');
        el.innerText = text;
        el.style.opacity = 1;

        // 清除之前的定时器（简单处理）
        if (this.msgTimeout) clearTimeout(this.msgTimeout);

        this.msgTimeout = setTimeout(() => {
            el.style.opacity = 0;
        }, 2000);
    }

    gameOver() {
        this.state = 'GAME_OVER';
        document.getElementById('final-score-loss').innerText = this.score;
        this.showModal('game-over-screen');
        this.showMessage("被大鱼吃掉了！游戏失败");
    }

    victory() {
        this.state = 'VICTORY';
        document.getElementById('final-score-win').innerText = this.score;
        this.showModal('victory-screen');
        this.showMessage("成为最大的鱼！通关成功");
    }

    hideModals() {
        document.querySelectorAll('.modal-content').forEach(el => el.classList.add('hidden'));
        document.getElementById('modal-overlay').classList.add('hidden');
    }

    showModal(id) {
        this.hideModals();
        document.getElementById(id).classList.remove('hidden');
        document.getElementById('modal-overlay').classList.remove('hidden');
    }
}

// 启动游戏实例
const game = new Game();

</script>
</body>
</html>