It shows as cubes, not as sphere. how to fix it?

Starting up http-server, serving ./

http-server version: 14.1.1

http-server settings: CORS: disabled Cache: 3600 seconds Connection Timeout: 120 seconds Directory Listings: visible AutoIndex: visible Serve GZIP Files: false Serve Brotli Files: false Default File Extension: none

Available on: http://127.0.0.1:8080 http://172.31.196.87:8080 Hit CTRL-C to stop the server

[2023-11-26T11:55:38.646Z] "GET /" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" (node:375) [DEP0066] DeprecationWarning: OutgoingMessage.prototype._headers is deprecated (Use node --trace-deprecation ... to show where the warning was created) [2023-11-26T11:55:39.144Z] "GET /three.r124.min.js" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:55:39.162Z] "GET /main.js" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:55:40.009Z] "GET /WindowManager.js" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:55:49.924Z] "GET /" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:55:50.115Z] "GET /three.r124.min.js" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:55:50.367Z] "GET /main.js" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:55:50.742Z] "GET /WindowManager.js" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:55:50.926Z] "GET /favicon.ico" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:55:50.929Z] "GET /favicon.ico" Error (404): "Not found" [2023-11-26T11:56:04.475Z] "GET /" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:56:04.808Z] "GET /three.r124.min.js" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:56:04.908Z] "GET /main.js" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:56:05.956Z] "GET /WindowManager.js" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:56:06.154Z] "GET /favicon.ico" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:56:06.158Z] "GET /favicon.ico" Error (404): "Not found" [2023-11-26T11:57:39.339Z] "GET /favicon.ico" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" [2023-11-26T11:57:39.340Z] "GET /favicon.ico" Error (404): "Not found"