<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
margin: 0;
overflow: hidden;
}
</style>
</head>
<body>
<div id="WebGL-output"></div>
<script type="module">
import * as THREE from "https://unpkg.com/three@0.126.1/build/three.module.js";
import { PointerLockControls } from "https://unpkg.com/three@0.126.1/examples/jsm/controls/PointerLockControls.js";
import { GLTFLoader } from "https://unpkg.com/three@0.126.1/examples/jsm/loaders/GLTFLoader.js";
let camera, scene, renderer, controls;
let moveForward = false, moveBackward = false, moveLeft = false, moveRight = false;
let bChanLoaded = false, classroomModel, blackboardModel, bchanModel;
function init() {
scene = new THREE.Scene();
scene.background = new THREE.Color(0xffffff);
camera =
