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<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
    <title>🌟 Cosmic Dodger!</title>
    <style>
        * { margin: 0; padding: 0; touch-action: manipulation; }
        body { overflow: hidden; background: #000; }
        #hud {
            position: fixed;
            top: 15px;
            left: 15px;
            color: #fff;
            font-family: 'Courier New', monospace;
            font-size: 24px;
            text-shadow: 0 0 10px #00ffff;
            z-index: 100;
        }
        #gameOver {
            display: none;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-score50%, -50%);
            text-align: center;
            color: #fff;
            background: rgba(0,0,0,0.9);
            padding: 20px;
            border-radius: 15px;
            border: 2px solid #00ff88;
        }
        #restart {
            display: none;
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            padding: 12px 25px;
            background: #00ff88;
            color: #000;
            border: none;
            border-radius: 25px;
            font-size: 18px;
            cursor: pointer;
        }
    </style>
</head>
<body>
    <div id="hud">
        <div>SCORE: <span id="score">0</span></div>
        <div>LIVES: <span id="lives">3</span></div>
    </div>
    <div id="gameOver">
        <h1 style="color: #ff0066">GAME OVER</h1>
        <p>Final Score: <span id="finalscore">0</span></p>
    </div>
    <button id="restart" onclick="location.reload()">PLAY AGAIN</button>

    <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
    <script>
        const CONFIG = {
            PLAYER_SPEED: 0.3,
            ASTEROID_SPAWN: 0.02,
            POWERUP_CHANCE: 0.25,
            INITIAL_LIVES: 3
        };

        let score = 0, lives = CONFIG.INITIAL_LIVES, isGameOver = false;
        let touchStartX = 0, currentX = 0, speedMultiplier = 1;
        
        const scene = new THREE.Scene();
        const camera = new THREE.PerspectiveCamera(75, window.innerWidth/window.innerHeight, 0.1, 1000);
        const renderer = new THREE.WebGLRenderer({ antialias: true });
        renderer.setSize(window.innerWidth, window.innerHeight);
        document.body.appendChild(renderer.domElement);

        // Player (Glowing Cube)
        const player = new THREE.Mesh(
            new THREE.BoxGeometry(0.8, 0.8, 0.8),
            new THREE.MeshStandardMaterial({
                color: 0x00ff88,
                emissive: 0x00ff88,
                emissiveIntensity: 0.5
            })
        );
        player.position.z = 3;
        scene.add(player);

        // Shield Effect
        const shield = new THREE.Mesh(
            new THREE.SphereGeometry(1.2, 16, 16),
            new THREE.MeshStandardMaterial({
                color: 0x00ffff,
                transparent: true,
                opacity: 0.3
            })
        );
        shield.visible = false;
        player.add(shield);

        // Starfield
        const stars = new THREE.Points(
            new THREE.BufferGeometry().setFromPoints(
                Array(1500).fill().map(() => new THREE.Vector3(
                    (Math.random() - 0.5) * 100,
                    (Math.random() - 0.5) * 100,
                    (Math.random() - 0.5) * 100
                ))
            ),
            new THREE.PointsMaterial({
                size: 0.1,
                color: 0xffffff,
                transparent: true,
                opacity: 0.8
            })
        );
        scene.add(stars);

        // Lighting
        const ambientLight = new THREE.AmbientLight(0xffffff, 0.5);
        scene.add(ambientLight);

        // Controls
        document.addEventListener('touchstart', e => touchStartX = e.touches[0].clientX);
        document.addEventListener('touchmove', e => {
            if(isGameOver) return;
            currentX = (e.touches[0].clientX - touchStartX) * 0.025;
            player.position.x = THREE.MathUtils.clamp(currentX, -7, 7);
        });

        // Game Loop
        function animate() {
            if(isGameOver) return;
            
            // Spawning
            if(Math.random() < CONFIG.ASTEROID_SPAWN + score/50000) spawnObject();
            
            // Difficulty increase
            speedMultiplier = 1 + score/5000;
            
            // Visual Updates
            stars.rotation.x += 0.0005;
            stars.rotation.y += 0.0005;
            player.rotation.y += 0.02;

            // Collision Detection
            scene.children.forEach(obj => {
                if(obj.userData?.isHazard && obj.position.distanceTo(player.position) < 1.2) {
                    if(obj.userData.isPowerUp) {
                        lives = Math.min(5, lives + 1);
                        score += 100;
                        activateShield();
                    } else {
                        if(!shield.visible) lives--;
                        if(lives <= 0) endGame();
                    }
                    scene.remove(obj);
                    updateHUD();
                }
            });

            renderer.render(scene, camera);
            requestAnimationFrame(animate);
        }

        function spawnObject() {
            const isPowerUp = Math.random() < CONFIG.POWERUP_CHANCE;
            const geometry = isPowerUp ? 
                new THREE.IcosahedronGeometry(0.6) : 
                new THREE.OctahedronGeometry(1);
            
            const obj = new THREE.Mesh(
                geometry,
                new THREE.MeshStandardMaterial({
                    color: isPowerUp ? 0x00ffff : 0xff4444,
                    emissive: isPowerUp ? 0x00ffff : 0xff4444,
                    emissiveIntensity: 0.2
                })
            );
            
            obj.position.set(
                (Math.random() - 0.5) * 14,
                (Math.random() - 0.5) * 8,
                -50
            );
            
            obj.userData = { isHazard: true, isPowerUp };
            
            // Animation
            function move() {
                obj.position.z += 0.15 * speedMultiplier;
                obj.rotation.x += 0.02;
                obj.rotation.y += 0.02;
                if(obj.position.z > 5) scene.remove(obj);
                else requestAnimationFrame(move);
            }
            
            scene.add(obj);
            move();
        }

        function activateShield() {
            shield.visible = true;
            setTimeout(() => shield.visible = false, 2000);
        }

        function updateHUD() {
            document.getElementById('score').textContent = score;
            document.getElementById('lives').textContent = lives;
            score += speedMultiplier;
        }

        function endGame() {
            isGameOver = true;
            document.getElementById('gameOver').style.display = 'block';
            document.getElementById('restart').style.display = 'block';
            localStorage.setItem('highScore', Math.max(score, localStorage.getItem('highScore') || 0));
        }

        // Init
        camera.position.z = 5;
        animate();
        updateHUD();

        // Restart
        document.addEventListener('touchend', () => isGameOver && location.reload());
    </script>
</body>
</html>