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+<!DOCTYPE html>
+<html lang="ru">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Web Doom Eternal Prototype</title>
+    <style>
+        body {
+            margin: 0;
+            padding: 0;
+            background-color: #000;
+            color: #fff;
+            font-family: 'Courier New', Courier, monospace;
+            overflow: hidden;
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            justify-content: center;
+            height: 100vh;
+        }
+
+        #game-container {
+            position: relative;
+            border: 4px solid #4a4a4a;
+            box-shadow: 0 0 20px #ff0000;
+        }
+
+        canvas {
+            display: block;
+            background: #000;
+            image-rendering: pixelated;
+        }
+
+        /* Интерфейс в стиле Doom Eternal */
+        #ui-bar {
+            position: absolute;
+            bottom: 0;
+            left: 0;
+            width: 100%;
+            height: 80px;
+            background: linear-gradient(to bottom, #1a1a1a, #000);
+            border-top: 3px solid #8b0000;
+            display: flex;
+            justify-content: space-around;
+            align-items: center;
+            font-weight: bold;
+            font-size: 24px;
+            text-transform: uppercase;
+            color: #fff;
+            text-shadow: 2px 2px 0 #000;
+        }
+
+        .stat {
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+        }
+
+        .stat-label {
+            font-size: 12px;
+            color: #aaa;
+            margin-bottom: 4px;
+        }
+
+        .stat-value {
+            font-size: 32px;
+            color: #00ff00; /* Классический зеленый цвет здоровья */
+        }
+
+        .stat-value.armor { color: #00bfff; }
+        .stat-value.ammo { color: #ffcc00; }
+
+        #weapon {
+            position: absolute;
+            bottom: 80px;
+            left: 50%;
+            transform: translateX(-50%);
+            width: 200px;
+            height: 200px;
+            background: linear-gradient(to top, #333, #111);
+            border: 2px solid #555;
+            border-bottom: none;
+            border-radius: 10px 10px 0 0;
+            display: flex;
+            align-items: flex-end;
+            justify-content: center;
+            padding-bottom: 10px;
+            color: #888;
+            font-size: 14px;
+        }
+        
+        #weapon::after {
+            content: "SUPER SHOTGUN";
+            color: #ff4444;
+            font-weight: bold;
+            text-shadow: 0 0 5px #ff0000;
+        }
+
+        #message {
+            position: absolute;
+            top: 20px;
+            width: 100%;
+            text-align: center;
+            color: #ff3333;
+            font-size: 18px;
+            text-shadow: 0 0 5px #ff0000;
+            pointer-events: none;
+        }
+    </style>
+</head>
+<body>
+
+    <div id="game-container">
+        <canvas id="gameCanvas" width="640" height="400"></canvas>
+        <div id="message">WASD или Стрелки для движения | RIP AND TEAR</div>
+        
+        <div id="weapon"></div>
+
+        <div id="ui-bar">
+            <div class="stat">
+                <span class="stat-label">Здоровье</span>
+                <span class="stat-value" id="health">100%</span>
+            </div>
+            <div class="stat">
+                <span class="stat-label">Броня</span>
+                <span class="stat-value armor" id="armor">50%</span>
+            </div>
+            <div class="stat">
+                <span class="stat-label">Патроны</span>
+                <span class="stat-value ammo" id="ammo">24</span>
+            </div>
+        </div>
+    </div>
+
+    <script>
+        const canvas = document.getElementById('gameCanvas');
+        const ctx = canvas.getContext('2d');
+
+        // Настройки рейкастинга
+        const SCREEN_WIDTH = 640;
+        const SCREEN_HEIGHT = 400;
+        const TICK = 30;
+        const CELL_SIZE = 64;
+        const FOV = Math.PI / 3;
+        const BLOCK_SIZE = 64;
+        const MAP_SIZE = 16;
+
+        // Карта (1 - стена, 0 - пусто)
+        const map = [
+            [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
+            [1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1],
+            [1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1],
+            [1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1],
+            [1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1],
+            [1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1],
+            [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
+            [1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
+            [1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1],
+            [1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1],
+            [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
+            [1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
+            [1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1],
+            [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
+            [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
+            [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
+        ];
+
+        // Игрок
+        const player = {
+            x: 96,
+            y: 96,
+            dir: 0, // Угол в радианах
+            speed: 4,
+            rotSpeed: 0.08
+        };
+
+        // Управление
+        const keys = {
+            w: false, s: false, a: false, d: false,
+            ArrowUp: false, ArrowDown: false, ArrowLeft: false, ArrowRight: false
+        };
+
+        document.addEventListener('keydown', (e) => { if(keys.hasOwnProperty(e.key)) keys[e.key] = true; });
+        document.addEventListener('keyup', (e) => { if(keys.hasOwnProperty(e.key)) keys[e.key] = false; });
+
+        // Основной цикл игры
+        function gameLoop() {
+            update();
+            draw();
+            requestAnimationFrame(gameLoop);
+        }
+
+        function update() {
+            // Вращение
+            if (keys.a || keys.ArrowLeft) player.dir -= player.rotSpeed;
+            if (keys.d || keys.ArrowRight) player.dir += player.rotSpeed;
+
+            // Движение
+            let moveStep = player.speed;
+            let newX = player.x;
+            let newY = player.y;
+
+            if (keys.w || keys.ArrowUp) {
+                newX += Math.cos(player.dir) * moveStep;
+                newY += Math.sin(player.dir) * moveStep;
+            }
+            if (keys.s || keys.ArrowDown) {
+                newX -= Math.cos(player.dir) * moveStep;
+                newY -= Math.sin(player.dir) * moveStep;
+            }
+
+            // Простая коллизия со стенами
+            if (map[Math.floor(newY / CELL_SIZE)][Math.floor(player.x / CELL_SIZE)] === 0) {
+                player.y = newY;
+            }
+            if (map[Math.floor(player.y / CELL_SIZE)][Math.floor(newX / CELL_SIZE)] === 0) {
+                player.x = newX;
+            }
+        }
+
+        function draw() {
+            // Очистка экрана (потолок и пол)
+            // Потолок (темно-серый)
+            ctx.fillStyle = '#222';
+            ctx.fillRect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT / 2);
+            // Пол (адский красноватый)
+            ctx.fillStyle = '#3a1515';
+            ctx.fillRect(0, SCREEN_HEIGHT / 2, SCREEN_WIDTH, SCREEN_HEIGHT / 2);
+
+            // Рейкастинг
+            for (let x = 0; x < SCREEN_WIDTH; x+=2) { // Оптимизация: рендерим каждый 2-й пиксель по ширине
+                const rayAngle = (player.dir - FOV / 2.0) + (x / SCREEN_WIDTH) * FOV;
+                
+                const eyeX = Math.cos(rayAngle);
+                const eyeY = Math.sin(rayAngle);
+
+                let distToWall = 0;
+                let hitWall = false;
+                let texture = 0; // Для разнообразия стен
+
+                let testX = Math.floor(player.x / CELL_SIZE);
+                let testY = Math.floor(player.y / CELL_SIZE);
+
+                // Упрощенный DDA алгоритм
+                let stepX = eyeX < 0 ? -1 : 1;
+                let stepY = eyeY < 0 ? -1 : 1;
+                
+                let sideDistX = (eyeX < 0 ? player.x / CELL_SIZE - testX : testX + 1 - player.x / CELL_SIZE) * Math.abs(1 / eyeX);
+                let sideDistY = (eyeY < 0 ? player.y / CELL_SIZE - testY : testY + 1 - player.y / CELL_SIZE) * Math.abs(1 / eyeY);
+                
+                let deltaDistX = Math.abs(1 / eyeX);
+                let deltaDistY = Math.abs(1 / eyeY);
+                
+                let side = 0; // 0 для NS, 1 для EW
+
+                while (!hitWall && distToWall < 20) {
+                    if (sideDistX < sideDistY) {
+                        sideDistX += deltaDistX;
+                        testX += stepX;
+                        side = 0;
+                    } else {
+                        sideDistY += deltaDistY;
+                        testY += stepY;
+                        side = 1;
+                    }
+
+                    if (testX < 0 || testX >= MAP_SIZE || testY < 0 || testY >= MAP_SIZE) {
+                        hitWall = true;
+                        distToWall = 20;
+                    } else if (map[testY][testX] > 0) {
+                        hitWall = true;
+                        if (side === 0) distToWall = (testX - player.x / CELL_SIZE + (1 - stepX) / 2) / eyeX;
+                        else           distToWall = (testY - player.y / CELL_SIZE + (1 - stepY) / 2) / eyeY;
+                    }
+                }
+
+                // Исправление эффекта "рыбьего глаза"
+                const correctedDist = distToWall * Math.cos(rayAngle - player.dir);
+                
+                // Расчет высоты стены
+                const ceiling = SCREEN_HEIGHT / 2.0 - SCREEN_HEIGHT / correctedDist;
+                const floor = SCREEN_HEIGHT - ceiling;
+                const wallHeight = floor - ceiling;
+
+                // Цвет стены (затенение по расстоянию + разные стороны для объема)
+                let colorVal = Math.max(50, 255 - correctedDist * 15);
+                if (side === 1) colorVal *= 0.7; // Одна сторона темнее
+                
+                // Адская цветовая гамма
+                ctx.fillStyle = `rgb(${colorVal}, ${colorVal * 0.2}, ${colorVal * 0.2})`;
+                
+                // Рисуем вертикальную полосу стены
+                ctx.fillRect(x, ceiling, 2, wallHeight);
+            }
+        }
+
+        // Запуск
+        gameLoop();
+    </script>
+</body>
+</html>
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