تحميل اللعبة...
    

    
      (function () {
        // Game variables
        var canvas,
          ctx,
          gameWidth,
          gameHeight,
          player,
          keys,
          enemies,
          bullets,
          isGameOver,
          score;

        // Create the game elements
        function createGameElements() {
          player = {
            x: gameWidth / 2,
            y: gameHeight - 50,
            width: 50,
            height: 50,
            color: "#00ff00",
            speed: 5,
          };

          keys = {
            ArrowLeft: false,
            ArrowRight: false,
            Space: false,
          };

          isGameOver = false;
          score = 0;

          enemies = [];
          for (var i = 0; i < 10; i++) {
            var enemy = {
              x: Math.random() * gameWidth,
              y: Math.random() * -gameHeight,
              width: 50,
              height: 50,
              color: "#ff0000",
              speed: Math.random() * 2 + 1,
            };
            enemies.push(enemy);
          }

          bullets = [];
        }

        // Initialize the game
        function init() {
          canvas = document.getElementById("game-canvas");
          ctx = canvas.getContext("2d");
          gameWidth = window.innerWidth;
          gameHeight = window.innerHeight;

          canvas.width = gameWidth;
          canvas.height = gameHeight;

          createGameElements();

          // Event listeners
          document.addEventListener("keydown", function (e) {
            if (e.key in keys) {
              keys[e.key] = true;
            }
          });

          document.addEventListener("keyup", function (e) {
            if (e.key in keys) {
              keys[e.key] = false;
            }
          });

          // Start the game loop
          gameLoop();
        }

        // Update game objects
        function update() {
          if (keys.ArrowLeft && player.x > 0) {
            player.x -= player.speed;
          } else if (keys.ArrowRight && player.x + player.width < gameWidth) {
            player.x += player.speed;
          }

          if (keys.Space) {
            var bullet = {
              x: player.x + player.width / 2,
              y: player.y,
              width: 10,
              height: 10,
              color: "#ffff00",
              speed: 6,
            };
            bullets.push(bullet);
          }

          for (var i = 0; i < enemies.length; i++) {
            var enemy = enemies[i];
            enemy.y += enemy.speed;
            if (
              enemy.y + enemy.height > gameHeight ||
              collision(player, enemy)
            ) {
              isGameOver = true;
            }
          }

          bullets = bullets.filter(function (bullet) {
            bullet.y -= bullet.speed;
            return bullet.y > 0;
          });

          bullets.forEach(function (bullet) {
            enemies.forEach(functio