Update game.js

game.js

@@ -1,6 +1,6 @@
-import * as THREE from 'three';
-import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
-import { PointerLockControls } from 'three/addons/controls/PointerLockControls.js';
+const THREE = window.THREE;
+const GLTFLoader = window.THREE.GLTFLoader;
+const PointerLockControls = window.THREE.PointerLockControls;
 
 // 게임 상수
 const GAME_DURATION = 180;