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3DCombatTwoPlayers

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awacke1 commited on 18 days ago

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-<!doctype html>
-<html>
-	<head>
-		<meta charset="utf-8" />
-		<meta name="viewport" content="width=device-width" />
-		<title>My static Space</title>
-		<link rel="stylesheet" href="style.css" />
-	</head>
-	<body>
-		<div class="card">
-			<h1>Welcome to your static Space!</h1>
-			<p>You can modify this app directly by editing <i>index.html</i> in the Files and versions tab.</p>
-			<p>
-				Also don't forget to check the
-				<a href="https://huggingface.co/docs/hub/spaces" target="_blank">Spaces documentation</a>.
-			</p>
-		</div>
-	</body>
 </html>

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Three.js 3D Combat Game - Auto Features</title>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
+    <script src="https://cdn.tailwindcss.com"></script>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            font-family: 'Inter', sans-serif;
+            background-color: #1a202c;
+            color: #e2e8f0;
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            justify-content: center;
+            height: 100vh;
+            position: relative;
+        }
+        #game-canvas-wrapper {
+            width: 100vw;
+            height: 100vh;
+            border: none;
+            border-radius: 0;
+            position: relative;
+        }
+        canvas {
+            display: block;
+            width: 100%;
+            height: 100%;
+        }
+        /* Score and Shield Status UI (Sides) */
+        .player-side-ui {
+            position: absolute;
+            top: 20px;
+            padding: 10px 15px;
+            font-size: 1.1rem;
+            font-weight: bold;
+            color: #1a202c;
+            border-radius: 0.375rem;
+            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
+            z-index: 10;
+            background-color: rgba(255,255,255,0.1); /* Fallback */
+        }
+        #player1-side-ui {
+            left: 20px;
+            background-color: #38b2ac; /* Teal */
+        }
+        #player2-side-ui {
+            right: 20px;
+            background-color: #ed8936; /* Orange */
+        }
+        .shield-timer {
+            font-size: 0.9rem;
+            margin-top: 5px;
+            font-weight: normal;
+        }
+        /* Health Bars Container (Top Center) */
+        #health-bars-container {
+            position: absolute;
+            top: 15px;
+            left: 50%;
+            transform: translateX(-50%);
+            display: flex;
+            gap: 20px; /* Space between health bars */
+            z-index: 11; /* Above side UIs */
+            align-items: center;
+        }
+        .health-bar-wrapper {
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+        }
+        .health-bar-label {
+            font-size: 0.9rem;
+            font-weight: bold;
+            margin-bottom: 3px;
+        }
+        .health-bar {
+            width: 200px; /* Width of the health bar */
+            height: 20px; /* Height of the health bar */
+            background-color: #4a5568; /* Tailwind gray-600 (darker background) */
+            border-radius: 5px;
+            border: 2px solid #718096; /* Tailwind gray-500 (border) */
+            overflow: hidden; /* To contain the fill */
+            box-shadow: inset 0 1px 3px rgba(0,0,0,0.2);
+        }
+        .health-bar-fill {
+            height: 100%;
+            width: 100%; /* Start full */
+            border-radius: 3px; /* Slightly smaller radius for fill */
+            transition: width 0.3s ease-out, background-color 0.3s ease;
+        }
+        #player1-health-bar-fill { background-color: #38b2ac; } /* Teal */
+        #player2-health-bar-fill { background-color: #ed8936; } /* Orange */
+        .controls-and-reset {
+            position: absolute;
+            bottom: 10px;
+            left: 50%;
+            transform: translateX(-50%);
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            width: 100%;
+            max-width: 700px;
+            z-index: 10;
+        }
+        .instructions {
+            background-color: rgba(45, 55, 72, 0.9);
+            padding: 0.75rem 1.25rem;
+            border-radius: 0.5rem;
+            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+            text-align: center;
+            margin-bottom: 10px;
+        }
+        .instructions h1 { font-size: 1.2rem; margin-bottom: 0.3rem; }
+        .instructions p { font-size: 0.85rem; margin-bottom: 0.2rem; }
+        kbd {
+            display: inline-block;
+            padding: 0.25rem 0.5rem;
+            font-size: 0.75rem;
+            font-weight: 600;
+            color: #1f2937;
+            background-color: #f3f4f6;
+            border: 1px solid #d1d5db;
+            border-radius: 0.25rem;
+            margin: 0 0.1rem;
+        }
+        #reset-button {
+            padding: 0.7rem 1.5rem;
+            font-size: 1rem;
+            font-weight: bold;
+            color: white;
+            background-color: #c53030;
+            border: none;
+            border-radius: 0.375rem;
+            cursor: pointer;
+            transition: background-color 0.2s;
+        }
+        #reset-button:hover {
+            background-color: #9b2c2c;
+        }
+        #game-over-message {
+            position: absolute;
+            top: 50%;
+            left: 50%;
+            transform: translate(-50%, -50%);
+            background-color: rgba(0, 0, 0, 0.9);
+            color: white;
+            padding: 25px 35px;
+            border-radius: 10px;
+            font-size: 2rem;
+            text-align: center;
+            z-index: 20;
+            display: none;
+            border: 3px solid #e53e3e;
+        }
+    </style>
+</head>
+<body>
+    <div id="player1-side-ui" class="player-side-ui">
+        <div>P1 Score: <span id="player1-score-text">0</span></div>
+        <div class="shield-timer">Shield: <span id="player1-shield-status">READY</span></div>
+    </div>
+    <div id="player2-side-ui" class="player-side-ui">
+        <div>P2 Score: <span id="player2-score-text">0</span></div>
+        <div class="shield-timer">Shield: <span id="player2-shield-status">READY</span></div>
+    </div>
+    <div id="health-bars-container">
+        <div class="health-bar-wrapper">
+            <div class="health-bar-label" style="color: #38b2ac;">Player 1 Health</div>
+            <div id="player1-health-bar" class="health-bar">
+                <div id="player1-health-bar-fill" class="health-bar-fill"></div>
+            </div>
+        </div>
+        <div class="health-bar-wrapper">
+            <div class="health-bar-label" style="color: #ed8936;">Player 2 Health</div>
+            <div id="player2-health-bar" class="health-bar">
+                <div id="player2-health-bar-fill" class="health-bar-fill"></div>
+            </div>
+        </div>
+    </div>
+    <div id="game-canvas-wrapper">
+        <div id="game-over-message">Game Over!</div>
+    </div>
+    <div class="controls-and-reset">
+        <div class="instructions">
+            <h1>3D Auto Combat!</h1>
+            <p>P1 (Teal): <kbd>W</kbd><kbd>S</kbd> Fwd/Back | <kbd>A</kbd><kbd>D</kbd> Turn</p>
+            <p>P2 (Orange): <kbd>I</kbd><kbd>K</kbd> Fwd/Back | <kbd>J</kbd><kbd>L</kbd> Turn</p>
+            <p><kbd>SPACEBAR</kbd> to Heal Both Players</p>
+        </div>
+        <button id="reset-button">Reset Game</button>
+    </div>
+    <script>
+        // --- Game Constants ---
+        const PLAYER_SPEED = 0.15;
+        const PLAYER_RADIUS = 0.5;
+        const PROJECTILE_SIZE = 0.15;
+        const PROJECTILE_SPEED = 0.4;
+        const PLAYER_MAX_HEALTH = 10; // Increased max health for longer gameplay
+        const INVADER_RADIUS = 0.6;
+        const PARATROOPER_RADIUS = 0.4;
+        const INVADER_FIRE_COOLDOWN = 1800;
+        const PARATROOPER_FIRE_COOLDOWN = 2200;
+        const PLAYER_AUTO_FIRE_COOLDOWN = 400; // Auto-fire rate
+        const SHIELD_DURATION = 7000; // 7 seconds
+        const SHIELD_COOLDOWN = 15000; // 15 seconds
+        const AUTO_SHIELD_HEALTH_THRESHOLD = 3; // Activate shield if health <= this
+        const AUTO_SHIELD_CONSIDER_INTERVAL = 3000; // ms, how often to consider auto-shield if not critical
+        const GAME_PLANE_WIDTH = 30; // Increased for full screen feel
+        const GAME_PLANE_HEIGHT = 20; // Increased for full screen feel
+        const DIVIDING_LINE_POS_X = 0;
+        const PARATROOPER_SPAWN_Y = 15; // Spawn higher
+        const PARATROOPER_DROP_SPEED = 0.05;
+        const PARATROOPER_SPAWN_INTERVAL = 4500;
+        // --- Global Variables ---
+        let scene, camera, renderer;
+        let player1, player2;
+        let projectiles = [];
+        let invaders = [];
+        let paratroopers = [];
+        let keysPressed = {};
+        let gameOver = false;
+        let lastParatrooperSpawnTime = 0;
+        let ambientLight, directionalLight;
+        let groundPlane, dividingLineMesh;
+        // DOM Elements
+        let player1ScoreEl, player1ShieldStatusEl, player1HealthBarFillEl;
+        let player2ScoreEl, player2ShieldStatusEl, player2HealthBarFillEl;
+        let resetButtonEl, gameOverMessageEl, gameCanvasWrapperEl;
+        // --- Initialization ---
+        function init() {
+            gameCanvasWrapperEl = document.getElementById('game-canvas-wrapper');
+            player1ScoreEl = document.getElementById('player1-score-text');
+            player1ShieldStatusEl = document.getElementById('player1-shield-status');
+            player1HealthBarFillEl = document.getElementById('player1-health-bar-fill');
+            player2ScoreEl = document.getElementById('player2-score-text');
+            player2ShieldStatusEl = document.getElementById('player2-shield-status');
+            player2HealthBarFillEl = document.getElementById('player2-health-bar-fill');
+            resetButtonEl = document.getElementById('reset-button');
+            gameOverMessageEl = document.getElementById('game-over-message');
+            scene = new THREE.Scene();
+            scene.background = new THREE.Color(0x1a202c);
+            setupCamera();
+            setupLights();
+            renderer = new THREE.WebGLRenderer({ antialias: true });
+            renderer.setSize(window.innerWidth, window.innerHeight);
+            renderer.shadowMap.enabled = true;
+            gameCanvasWrapperEl.appendChild(renderer.domElement);
+            createGround();
+            createDividingLine();
+            resetButtonEl.addEventListener('click', resetGame);
+            document.addEventListener('keydown', onKeyDown);
+            document.addEventListener('keyup', onKeyUp);
+            window.addEventListener('resize', onWindowResize, false);
+            resetGame();
+            animate();
+        }
+        function setupCamera() {
+            const aspect = window.innerWidth / window.innerHeight;
+            camera = new THREE.PerspectiveCamera(60, aspect, 0.1, 1000); // Wider FOV
+            camera.position.set(0, GAME_PLANE_WIDTH * 0.9, GAME_PLANE_HEIGHT * 0.7); // Adjusted for larger plane
+            camera.lookAt(0, 0, 0);
+        }
+        function setupLights() {
+            ambientLight = new THREE.AmbientLight(0xffffff, 0.7);
+            scene.add(ambientLight);
+            directionalLight = new THREE.DirectionalLight(0xffffff, 0.9);
+            directionalLight.position.set(GAME_PLANE_WIDTH * 0.5, 30, GAME_PLANE_HEIGHT * 0.5); // Higher, more spread
+            directionalLight.castShadow = true;
+            directionalLight.shadow.mapSize.width = 2048; // Better shadow quality
+            directionalLight.shadow.mapSize.height = 2048;
+            directionalLight.shadow.camera.near = 0.5;
+            directionalLight.shadow.camera.far = 80;
+            directionalLight.shadow.camera.left = -GAME_PLANE_WIDTH;
+            directionalLight.shadow.camera.right = GAME_PLANE_WIDTH;
+            directionalLight.shadow.camera.top = GAME_PLANE_HEIGHT;
+            directionalLight.shadow.camera.bottom = -GAME_PLANE_HEIGHT;
+            scene.add(directionalLight);
+        }
+        function createGround() {
+            const groundGeometry = new THREE.PlaneGeometry(GAME_PLANE_WIDTH, GAME_PLANE_HEIGHT);
+            const groundMaterial = new THREE.MeshStandardMaterial({ color: 0x2d3748, side: THREE.DoubleSide }); // Darker gray
+            groundPlane = new THREE.Mesh(groundGeometry, groundMaterial);
+            groundPlane.rotation.x = -Math.PI / 2;
+            groundPlane.receiveShadow = true;
+            scene.add(groundPlane);
+        }
+        function createDividingLine() {
+            const lineMaterial = new THREE.LineBasicMaterial({ color: 0x6b7280, linewidth: 3 }); // Tailwind gray-500, thicker
+            const points = [];
+            points.push(new THREE.Vector3(DIVIDING_LINE_POS_X, 0.02, -GAME_PLANE_HEIGHT / 2)); // Slightly above ground
+            points.push(new THREE.Vector3(DIVIDING_LINE_POS_X, 0.02, GAME_PLANE_HEIGHT / 2));
+            const lineGeometry = new THREE.BufferGeometry().setFromPoints(points);
+            dividingLineMesh = new THREE.Line(lineGeometry, lineMaterial);
+            scene.add(dividingLineMesh);
+        }
+        function resetGame() {
+            gameOver = false;
+            gameOverMessageEl.style.display = 'none';
+            keysPressed = {};
+            projectiles.forEach(p => scene.remove(p)); projectiles = [];
+            invaders.forEach(i => scene.remove(i.meshGroup)); invaders = [];
+            paratroopers.forEach(pt => scene.remove(pt.meshGroup)); paratroopers = [];
+            if (player1) scene.remove(player1.meshGroup);
+            if (player2) scene.remove(player2.meshGroup);
+            createPlayers();
+            createInitialInvaders();
+            lastParatrooperSpawnTime = Date.now();
+            updateUI(); // Initial UI update including health bars
+        }
+        function createPlayerModel(color) {
+            const group = new THREE.Group();
+            const bodyRadius = PLAYER_RADIUS * 0.6;
+            const bodyHeight = PLAYER_RADIUS * 1.2;
+            const bodyCylinderGeom = new THREE.CylinderGeometry(bodyRadius, bodyRadius, bodyHeight, 16);
+            const bodyMaterial = new THREE.MeshStandardMaterial({ color: color, metalness: 0.3, roughness: 0.6 });
+            const bodyCylinder = new THREE.Mesh(bodyCylinderGeom, bodyMaterial);
+            bodyCylinder.castShadow = true;
+            bodyCylinder.name = "body"; // For hit flash targeting
+            group.add(bodyCylinder);
+            const sphereGeom = new THREE.SphereGeometry(bodyRadius, 16, 8);
+            const topSphere = new THREE.Mesh(sphereGeom, bodyMaterial);
+            topSphere.position.y = bodyHeight / 2;
+            topSphere.castShadow = true;
+            group.add(topSphere);
+            const bottomSphere = new THREE.Mesh(sphereGeom, bodyMaterial);
+            bottomSphere.position.y = -bodyHeight / 2;
+            bottomSphere.castShadow = true;
+            group.add(bottomSphere);
+            const barrelLength = PLAYER_RADIUS * 0.8;
+            const barrelRadius = PLAYER_RADIUS * 0.15;
+            const barrelGeom = new THREE.CylinderGeometry(barrelRadius, barrelRadius, barrelLength, 8);
+            const barrelMaterial = new THREE.MeshStandardMaterial({ color: 0x666666, metalness: 0.5, roughness: 0.4 });
+            const barrel = new THREE.Mesh(barrelGeom, barrelMaterial);
+            barrel.rotation.z = Math.PI / 2;
+            barrel.position.x = bodyRadius + barrelLength / 2 - 0.1;
+            barrel.position.y = 0;
+            barrel.castShadow = true;
+            group.add(barrel);
+            group.position.y = bodyHeight/2;
+            return group;
+        }
+        function createInvaderModel(color) {
+            const group = new THREE.Group();
+            const mainBodySize = INVADER_RADIUS * 0.8;
+            const bodyGeom = new THREE.BoxGeometry(mainBodySize, mainBodySize, mainBodySize);
+            const bodyMaterial = new THREE.MeshStandardMaterial({ color: color, metalness: 0.2, roughness: 0.7 });
+            const body = new THREE.Mesh(bodyGeom, bodyMaterial);
+            body.castShadow = true;
+            body.name = "body";
+            group.add(body);
+            const eyeRadius = mainBodySize * 0.15;
+            const eyeGeom = new THREE.SphereGeometry(eyeRadius, 8, 8);
+            const eyeMaterial = new THREE.MeshStandardMaterial({ color: 0xffff00, emissive: 0xffff00, emissiveIntensity: 0.5 });
+            const eye1 = new THREE.Mesh(eyeGeom, eyeMaterial);
+            eye1.position.set(mainBodySize * 0.25, mainBodySize * 0.2, mainBodySize * 0.51);
+            group.add(eye1);
+            const eye2 = new THREE.Mesh(eyeGeom, eyeMaterial);
+            eye2.position.set(-mainBodySize * 0.25, mainBodySize * 0.2, mainBodySize * 0.51);
+            group.add(eye2);
+            group.position.y = mainBodySize / 2;
+            return group;
+        }
+        function createParatrooperModel(color) {
+            const group = new THREE.Group();
+            const bodyRadius = PARATROOPER_RADIUS * 0.7;
+            const bodyHeight = PARATROOPER_RADIUS * 1.5;
+            const bodyGeom = new THREE.CylinderGeometry(bodyRadius*0.7, bodyRadius, bodyHeight, 12);
+            const bodyMaterial = new THREE.MeshStandardMaterial({ color: color, metalness: 0.3, roughness: 0.6 });
+            const body = new THREE.Mesh(bodyGeom, bodyMaterial);
+            body.castShadow = true;
+            body.name = "body";
+            group.add(body);
+            const canopyRadius = PARATROOPER_RADIUS * 1.5;
+            const canopyGeom = new THREE.SphereGeometry(canopyRadius, 16, 8, 0, Math.PI * 2, 0, Math.PI / 2);
+            const canopyMaterial = new THREE.MeshStandardMaterial({ color: 0xf0f0f0, transparent: true, opacity: 0.75, side: THREE.DoubleSide });
+            const canopy = new THREE.Mesh(canopyGeom, canopyMaterial);
+            canopy.position.y = bodyHeight / 2 + canopyRadius * 0.3;
+            canopy.castShadow = false;
+            group.add(canopy);
+            return group;
+        }
+        function createPlayers() {
+            player1 = { meshGroup: createPlayerModel(0x38b2ac),
+                health: PLAYER_MAX_HEALTH, score: 0, lastShotTime: 0,
+                shieldActive: false, shieldEndTime: 0, shieldCooldownEndTime: 0,
+                lastAutoShieldConsiderTime: 0,
+                id: 'player1', radius: PLAYER_RADIUS
+            };
+            player1.meshGroup.position.set(-GAME_PLANE_WIDTH / 4, player1.meshGroup.position.y, 0);
+            scene.add(player1.meshGroup);
+            player2 = { meshGroup: createPlayerModel(0xed8936),
+                health: PLAYER_MAX_HEALTH, score: 0, lastShotTime: 0,
+                shieldActive: false, shieldEndTime: 0, shieldCooldownEndTime: 0,
+                lastAutoShieldConsiderTime: 0,
+                id: 'player2', radius: PLAYER_RADIUS
+            };
+            player2.meshGroup.position.set(GAME_PLANE_WIDTH / 4, player2.meshGroup.position.y, 0);
+            player2.meshGroup.rotation.y = Math.PI;
+            scene.add(player2.meshGroup);
+        }
+        function createInitialInvaders() {
+            const invaderPositions = [
+                new THREE.Vector3(-GAME_PLANE_WIDTH / 3, 0, GAME_PLANE_HEIGHT / 3.5),
+                new THREE.Vector3(GAME_PLANE_WIDTH / 3, 0, -GAME_PLANE_HEIGHT / 3.5),
+                new THREE.Vector3(-GAME_PLANE_WIDTH / 3.5, 0, -GAME_PLANE_HEIGHT / 4),
+                new THREE.Vector3(GAME_PLANE_WIDTH / 3.5, 0, GAME_PLANE_HEIGHT / 4),
+            ];
+            invaderPositions.forEach((pos, index) => {
+                const invaderMeshGroup = createInvaderModel(0x9f7aea);
+                invaderMeshGroup.position.set(pos.x, invaderMeshGroup.position.y, pos.z);
+                if (pos.x < 0) invaderMeshGroup.rotation.y = Math.PI / 2;
+                else invaderMeshGroup.rotation.y = -Math.PI / 2;
+                const invader = {
+                    meshGroup: invaderMeshGroup, health: 1, id: `invader${index}`,
+                    lastShotTime: 0, radius: INVADER_RADIUS, originalZ: pos.z, oscillationTime: Math.random() * Math.PI * 2
+                };
+                scene.add(invader.meshGroup);
+                invaders.push(invader);
+            });
+        }
+        function spawnParatrooper() {
+            const spawnX = (Math.random() - 0.5) * (GAME_PLANE_WIDTH * 0.95);
+            const spawnZ = (Math.random() - 0.5) * (GAME_PLANE_HEIGHT * 0.95);
+            const paratrooperMeshGroup = createParatrooperModel(0xdd6b20);
+            paratrooperMeshGroup.position.set(spawnX, PARATROOPER_SPAWN_Y, spawnZ);
+            const bodyHeight = PARATROOPER_RADIUS * 1.5;
+            const paratrooper = {
+                meshGroup: paratrooperMeshGroup, health: 1, id: `paratrooper${paratroopers.length}`,
+                lastShotTime: 0, radius: PARATROOPER_RADIUS,
+                targetY: bodyHeight / 2, landed: false
+            };
+            scene.add(paratrooper.meshGroup);
+            paratroopers.push(paratrooper);
+            lastParatrooperSpawnTime = Date.now();
+        }
+        function createProjectile(shooter) {
+            if (!shooter || shooter.health <= 0) return;
+            // Auto-fire cooldown is handled by handleAutoShooting, so direct call implies readiness
+            // However, for enemies, we still need the cooldown check here if they are not part of handleAutoShooting
+            if (shooter.id.includes('invader') || shooter.id.includes('paratrooper')) {
+                const now = Date.now();
+                const fireCooldown = shooter.id.includes('invader') ? INVADER_FIRE_COOLDOWN : PARATROOPER_FIRE_COOLDOWN;
+                if (now - shooter.lastShotTime < fireCooldown) return;
+                shooter.lastShotTime = now;
+            }
+            const projectileGeom = new THREE.SphereGeometry(PROJECTILE_SIZE, 8, 8);
+            let projectileColor;
+            let velocity = new THREE.Vector3();
+            const startPos = shooter.meshGroup.position.clone();
+            if(shooter.id.includes('player')) startPos.y += PLAYER_RADIUS * 0.8;
+            else startPos.y += INVADER_RADIUS * 0.4;
+            const localForward = new THREE.Vector3(1, 0, 0);
+            const worldForward = localForward.clone().applyQuaternion(shooter.meshGroup.quaternion);
+            if (shooter.id.includes('player')) {
+                projectileColor = shooter.id === 'player1' ? 0x81e6d9 : 0xfbd38d;
+                velocity.copy(worldForward).multiplyScalar(PROJECTILE_SPEED);
+            } else if (shooter.id.includes('invader') || shooter.id.includes('paratrooper')) {
+                projectileColor = shooter.id.includes('invader') ? 0xc4b5fd : 0xffa07a;
+                const targetPlayer = (player1.health > 0 && player2.health > 0) ? (Math.random() < 0.5 ? player1 : player2) : (player1.health > 0 ? player1 : (player2.health > 0 ? player2 : null));
+                if (targetPlayer) {
+                    velocity.subVectors(targetPlayer.meshGroup.position, shooter.meshGroup.position).normalize().multiplyScalar(PROJECTILE_SPEED * 0.8);
+                } else { return; }
+            } else { return; }
+            const projectileMaterial = new THREE.MeshStandardMaterial({ color: projectileColor, emissive: projectileColor, emissiveIntensity: 0.7 });
+            const projectile = new THREE.Mesh(projectileGeom, projectileMaterial);
+            projectile.castShadow = true;
+            const offset = worldForward.clone().multiplyScalar(shooter.radius * 1.1);
+            startPos.add(offset);
+            projectile.position.copy(startPos);
+            projectile.userData = { ownerId: shooter.id, velocity: velocity, creationTime: Date.now() };
+            scene.add(projectile);
+            projectiles.push(projectile);
+        }
+        // --- Event Handlers ---
+        function onKeyDown(event) {
+            if (gameOver && event.key.toLowerCase() !== " ") return;
+            keysPressed[event.key.toLowerCase()] = true;
+            const key = event.key.toLowerCase();
+            if (key === ' ') { // Spacebar Heal
+                if (player1) player1.health = PLAYER_MAX_HEALTH;
+                if (player2) player2.health = PLAYER_MAX_HEALTH;
+                if (gameOver) {
+                    gameOver = false;
+                    gameOverMessageEl.style.display = 'none';
+                    // Optionally, could call resetGame() for a full reset, or just continue
+                }
+                updateUI();
+                event.preventDefault();
+            }
+            // Manual fire and shield keys are removed for auto-features
+        }
+        function onKeyUp(event) {
+            keysPressed[event.key.toLowerCase()] = false;
+        }
+        function onWindowResize() {
+            renderer.setSize(window.innerWidth, window.innerHeight);
+            camera.aspect = window.innerWidth / window.innerHeight;
+            camera.updateProjectionMatrix();
+        }
+        function activateShield(player) { // Now called by auto-shield logic
+            const now = Date.now();
+            if (player && !player.shieldActive && now > player.shieldCooldownEndTime) {
+                player.shieldActive = true;
+                player.shieldEndTime = now + SHIELD_DURATION;
+                player.shieldCooldownEndTime = player.shieldEndTime + SHIELD_COOLDOWN;
+                if (!player.shieldMesh) {
+                    const shieldGeom = new THREE.SphereGeometry(player.radius * 1.6, 16, 16); // Slightly larger shield
+                    const shieldMat = new THREE.MeshStandardMaterial({ color: 0x00ddff, transparent: true, opacity: 0.30, emissive: 0x00ccee, emissiveIntensity: 0.25 });
+                    player.shieldMesh = new THREE.Mesh(shieldGeom, shieldMat);
+                    player.meshGroup.add(player.shieldMesh);
+                }
+                player.shieldMesh.visible = true;
+                updateUI();
+            }
+        }
+        function updateShields() { // Checks for shield expiration
+            const now = Date.now();
+            [player1, player2].forEach(player => {
+                if (player && player.shieldActive && now > player.shieldEndTime) {
+                    player.shieldActive = false;
+                    if (player.shieldMesh) player.shieldMesh.visible = false;
+                    updateUI();
+                }
+            });
+        }
+        function handleAutoShooting() {
+            const now = Date.now();
+            [player1, player2].forEach(player => {
+                if (player && player.health > 0 && !player.shieldActive) { // Don't shoot if shielded
+                    if (now - player.lastShotTime > PLAYER_AUTO_FIRE_COOLDOWN) {
+                        createProjectile(player);
+                        player.lastShotTime = now; // Update lastShotTime here after successful fire
+                    }
+                }
+            });
+        }
+        function handleAutoShielding() {
+            const now = Date.now();
+            [player1, player2].forEach(player => {
+                if (player && player.health > 0 && !player.shieldActive && now > player.shieldCooldownEndTime) {
+                    // Critical health trigger
+                    if (player.health <= AUTO_SHIELD_HEALTH_THRESHOLD) {
+                        activateShield(player);
+                        player.lastAutoShieldConsiderTime = now; // Reset consider timer
+                        return; // Shield activated
+                    }
+                    // Periodic consideration if not full health
+                    if (player.health < PLAYER_MAX_HEALTH && (now - player.lastAutoShieldConsiderTime > AUTO_SHIELD_CONSIDER_INTERVAL)) {
+                         if (Math.random() < 0.3) { // 30% chance to auto-shield if conditions met
+                            activateShield(player);
+                         }
+                         player.lastAutoShieldConsiderTime = now;
+                    }
+                }
+            });
+        }
+        function handlePlayerMovement(player, forwardKey, backwardKey, turnLeftKey, turnRightKey) {
+            if (!player || player.health <= 0) return;
+            let speed = 0;
+            if (keysPressed[forwardKey]) speed = PLAYER_SPEED;
+            if (keysPressed[backwardKey]) speed = -PLAYER_SPEED * 0.7;
+            if (keysPressed[turnLeftKey]) player.meshGroup.rotation.y += 0.05;
+            if (keysPressed[turnRightKey]) player.meshGroup.rotation.y -= 0.05;
+            if (speed !== 0) {
+                const moveDirection = new THREE.Vector3(1, 0, 0);
+                moveDirection.applyQuaternion(player.meshGroup.quaternion);
+                player.meshGroup.position.add(moveDirection.multiplyScalar(speed));
+            }
+            const halfWorldWidth = GAME_PLANE_WIDTH / 2 - player.radius;
+            const halfWorldDepth = GAME_PLANE_HEIGHT / 2 - player.radius;
+            player.meshGroup.position.z = Math.max(-halfWorldDepth, Math.min(halfWorldDepth, player.meshGroup.position.z));
+            if (player.id === 'player1') {
+                player.meshGroup.position.x = Math.max(-halfWorldWidth, Math.min(DIVIDING_LINE_POS_X - player.radius, player.meshGroup.position.x));
+            } else {
+                player.meshGroup.position.x = Math.max(DIVIDING_LINE_POS_X + player.radius, Math.min(halfWorldWidth, player.meshGroup.position.x));
+            }
+            const otherPlayer = player.id === 'player1' ? player2 : player1;
+            if (otherPlayer && otherPlayer.health > 0) {
+                const distSq = player.meshGroup.position.distanceToSquared(otherPlayer.meshGroup.position);
+                if (distSq < (player.radius + otherPlayer.radius) ** 2) {
+                    const delta = player.meshGroup.position.clone().sub(otherPlayer.meshGroup.position).normalize();
+                    const overlap = (player.radius + otherPlayer.radius) - Math.sqrt(distSq);
+                    player.meshGroup.position.add(delta.multiplyScalar(overlap / 2 + 0.01));
+                }
+            }
+        }
+        function updateInvaderBehavior() {
+            invaders.forEach(invader => {
+                if (invader.health <= 0) return;
+                invader.oscillationTime += 0.025;
+                let targetZ = invader.originalZ + Math.sin(invader.oscillationTime) * (GAME_PLANE_HEIGHT * 0.15);
+                invader.meshGroup.position.z = THREE.MathUtils.lerp(invader.meshGroup.position.z, targetZ, 0.1);
+                if (Date.now() - invader.lastShotTime > INVADER_FIRE_COOLDOWN) { // Enemies still use their own fire logic
+                     if (Math.random() < 0.4) createProjectile(invader);
+                }
+            });
+        }
+        function updateParatroopers() {
+            for (let i = paratroopers.length - 1; i >= 0; i--) {
+                const pt = paratroopers[i];
+                if (pt.health <= 0) continue;
+                if (pt.meshGroup.position.y > pt.targetY) {
+                    pt.meshGroup.position.y -= PARATROOPER_DROP_SPEED;
+                } else {
+                    pt.meshGroup.position.y = pt.targetY;
+                    if(!pt.landed) {
+                        const targetPlayer = (player1.health > 0 && player2.health > 0) ? (Math.random() < 0.5 ? player1 : player2) : (player1.health > 0 ? player1 : (player2.health > 0 ? player2 : null));
+                        if(targetPlayer) {
+                            // Make paratrooper look at target on XZ plane
+                            const targetPosXZ = new THREE.Vector3(targetPlayer.meshGroup.position.x, pt.meshGroup.position.y, targetPlayer.meshGroup.position.z);
+                            pt.meshGroup.lookAt(targetPosXZ);
+                        }
+                        pt.landed = true;
+                    }
+                }
+                if (Date.now() - pt.lastShotTime > PARATROOPER_FIRE_COOLDOWN) { // Enemies still use their own fire logic
+                    if (Math.random() < 0.35) createProjectile(pt);
+                }
+            }
+            if (Date.now() - lastParatrooperSpawnTime > PARATROOPER_SPAWN_INTERVAL && paratroopers.length < 8) { // Max 8 paratroopers
+                spawnParatrooper();
+            }
+        }
+        function updateProjectiles() {
+            for (let i = projectiles.length - 1; i >= 0; i--) {
+                const p = projectiles[i];
+                p.position.add(p.userData.velocity);
+                if (Date.now() - p.userData.creationTime > 4000 ||
+                    Math.abs(p.position.x) > GAME_PLANE_WIDTH / 2 + 5 ||
+                    Math.abs(p.position.z) > GAME_PLANE_HEIGHT / 2 + 5 ||
+                    p.position.y < -2 || p.position.y > PARATROOPER_SPAWN_Y + 5) {
+                    scene.remove(p);
+                    projectiles.splice(i, 1);
+                    continue;
+                }
+                checkProjectileHit(p, i);
+            }
+        }
+        function getHitFlashMaterial(meshGroup) {
+            if (meshGroup && meshGroup.children) {
+                let bodyMesh = meshGroup.children.find(child => child.name === 'body' && child.material && child.material.isMeshStandardMaterial);
+                if (bodyMesh) return bodyMesh.material;
+                // Fallback to first standard material if no 'body'
+                for(let child of meshGroup.children){
+                    if(child.isMesh && child.material && child.material.isMeshStandardMaterial){
+                        return child.material;
+                    }
+                }
+            }
+            return null;
+        }
+        function checkProjectileHit(projectile, projectileIndex) {
+            const pPos = projectile.position;
+            const ownerId = projectile.userData.ownerId;
+            [player1, player2].forEach(player => {
+                if (!player || player.health <= 0 || player.id === ownerId || player.shieldActive) return;
+                const distSq = pPos.distanceToSquared(player.meshGroup.position);
+                if (distSq < (player.radius + PROJECTILE_SIZE) ** 2) {
+                    player.health--;
+                    scene.remove(projectile); projectiles.splice(projectileIndex, 1);
+                    if (!ownerId.includes('invader') && !ownerId.includes('paratrooper')) {
+                        const shooter = ownerId === 'player1' ? player1 : player2;
+                        if(shooter) shooter.score++;
+                    }
+                    const hitMaterial = getHitFlashMaterial(player.meshGroup);
+                    if (hitMaterial) {
+                        const originalColor = hitMaterial.color.clone();
+                        const originalEmissive = hitMaterial.emissive.clone();
+                        const originalEmissiveIntensity = hitMaterial.emissiveIntensity;
+                        hitMaterial.color.setHex(0xff0000);
+                        hitMaterial.emissive.setHex(0xff0000); hitMaterial.emissiveIntensity = 0.8;
+                        setTimeout(() => {
+                            if(hitMaterial) {
+                                hitMaterial.color.copy(originalColor);
+                                hitMaterial.emissive.copy(originalEmissive);
+                                hitMaterial.emissiveIntensity = originalEmissiveIntensity;
+                            }
+                        }, 120);
+                    }
+                    updateUI(); checkWinCondition(); return;
+                }
+            });
+            if (projectiles.indexOf(projectile) === -1) return;
+            const enemyTypes = [invaders, paratroopers];
+            for (const enemyList of enemyTypes) {
+                for (let j = enemyList.length - 1; j >= 0; j--) {
+                    const enemy = enemyList[j];
+                    if (enemy.health <= 0 || ownerId.includes(enemy.id.replace(/\d/g, ''))) continue;
+                    const distSq = pPos.distanceToSquared(enemy.meshGroup.position);
+                    if (distSq < (enemy.radius + PROJECTILE_SIZE) ** 2) {
+                        enemy.health--;
+                        scene.remove(projectile); projectiles.splice(projectileIndex, 1);
+                        if (ownerId === 'player1' && player1) player1.score++;
+                        else if (ownerId === 'player2' && player2) player2.score++;
+                        if (enemy.health <= 0) {
+                            scene.remove(enemy.meshGroup);
+                            enemyList.splice(j, 1);
+                        } else {
+                            const hitMaterial = getHitFlashMaterial(enemy.meshGroup);
+                             if (hitMaterial) {
+                                const originalColor = hitMaterial.color.clone();
+                                const originalEmissive = hitMaterial.emissive.clone();
+                                const originalEmissiveIntensity = hitMaterial.emissiveIntensity;
+                                hitMaterial.color.setHex(0xff0000);
+                                hitMaterial.emissive.setHex(0xff0000); hitMaterial.emissiveIntensity = 0.8;
+                                setTimeout(() => {
+                                    if(hitMaterial) {
+                                        hitMaterial.color.copy(originalColor);
+                                        hitMaterial.emissive.copy(originalEmissive);
+                                        hitMaterial.emissiveIntensity = originalEmissiveIntensity;
+                                    }
+                                }, 120);
+                            }
+                        }
+                        updateUI(); return;
+                    }
+                }
+                if (projectiles.indexOf(projectile) === -1) return;
+            }
+        }
+        function updateUI() {
+            if (player1) {
+                player1ScoreEl.textContent = player1.score;
+                const p1HealthPercent = Math.max(0, (player1.health / PLAYER_MAX_HEALTH) * 100);
+                player1HealthBarFillEl.style.width = `${p1HealthPercent}%`;
+                // Change health bar color based on health
+                if (p1HealthPercent <= 30) player1HealthBarFillEl.style.backgroundColor = '#e53e3e'; // Red
+                else if (p1HealthPercent <= 60) player1HealthBarFillEl.style.backgroundColor = '#dd6b20'; // Orange-ish
+                else player1HealthBarFillEl.style.backgroundColor = '#38b2ac'; // Teal (normal)
+                const now = Date.now();
+                player1ShieldStatusEl.textContent = player1.shieldActive ? `ON (${Math.ceil((player1.shieldEndTime - now)/1000)}s)` : (now < player1.shieldCooldownEndTime ? `CD (${Math.ceil((player1.shieldCooldownEndTime - now)/1000)}s)`: 'READY');
+            }
+             if (player2) {
+                player2ScoreEl.textContent = player2.score;
+                const p2HealthPercent = Math.max(0, (player2.health / PLAYER_MAX_HEALTH) * 100);
+                player2HealthBarFillEl.style.width = `${p2HealthPercent}%`;
+                if (p2HealthPercent <= 30) player2HealthBarFillEl.style.backgroundColor = '#e53e3e'; // Red
+                else if (p2HealthPercent <= 60) player2HealthBarFillEl.style.backgroundColor = '#dd6b20'; // Orange-ish (darker orange)
+                else player2HealthBarFillEl.style.backgroundColor = '#ed8936'; // Orange (normal)
+                const now = Date.now();
+                player2ShieldStatusEl.textContent = player2.shieldActive ? `ON (${Math.ceil((player2.shieldEndTime - now)/1000)}s)` : (now < player2.shieldCooldownEndTime ? `CD (${Math.ceil((player2.shieldCooldownEndTime - now)/1000)}s)`: 'READY');
+            }
+        }
+        function checkWinCondition() {
+            if (gameOver) return;
+            let winner = null;
+            const p1Exists = !!player1;
+            const p2Exists = !!player2;
+            const p1Health = p1Exists ? player1.health : 1;
+            const p2Health = p2Exists ? player2.health : 1;
+            if (p1Exists && p2Exists && p1Health <= 0 && p2Health <=0) winner = "It's a Draw!";
+            else if (p1Exists && p1Health <= 0) winner = "Player 2 Wins!";
+            else if (p2Exists && p2Health <= 0) winner = "Player 1 Wins!";
+            if (winner) {
+                gameOver = true;
+                gameOverMessageEl.textContent = winner;
+                gameOverMessageEl.style.display = 'block';
+            }
+        }
+        function animate() {
+            requestAnimationFrame(animate);
+            if (!gameOver) {
+                if (player1) handlePlayerMovement(player1, 'w', 's', 'a', 'd');
+                if (player2) handlePlayerMovement(player2, 'i', 'k', 'j', 'l');
+                handleAutoShooting();
+                handleAutoShielding();
+                updateInvaderBehavior();
+                updateParatroopers();
+                updateShields(); // For expiration
+            }
+            updateProjectiles();
+            updateUI();
+            renderer.render(scene, camera);
+        }
+        if (document.readyState === 'loading') {
+            document.addEventListener('DOMContentLoaded', init);
+        } else {
+            init();
+        }
+    </script>
+</body>
 </html>