Reading a glTF file from the local system onto Javascript's memory

Question

Reading a glTF file from the local system onto Javascript's memory

Currently, I am working on developing a native iOS and Android application using three.js and Capacitor. One of the challenges I am facing is loading GLTF models from an asset folder that is bundled with the code and delivered to the user. I am unsure about the best approach to tackle this issue.

The documentation for the GLTF Loader's load function can be found here. It requires a URL to load the model. On the other hand, the Parse function takes a "glTF asset to parse, as an ArrayBuffer". How can I effectively load this glTF file into memory while adhering to best practices? I attempted to use

import * as Model from './models/myModel.gltf'

, but encountered a Cannot find module error.

javascript three.js capacitor gltf

Answer 1

Answer №1

My approach to loading a gltf file involves utilizing a method called reader to load any file within the scene, followed by parsing it using loader.parse. However, if you simply require a folder of sample models, there may be no need for the reader method and parser. You can simply use the basic load GLTF method and store your samples in an array or object. I hope this information proves helpful to you.

loadGltf(file, filename) {
        reader.onload = readerEvent => {
            const contents = readerEvent.target.result;
            const loader = new THREE.GLTFLoader()
            try {
                loader.parse(contents, '', function (gltf) {
                    gltf.scene.traverse(function(child) {
                        if (child.isMesh) {
                            child.castShadow = true;
                            child.receiveShadow = true;
                        }
                    });
                    currentModel = gltf.scene;
                    scene.add(gltf.scene);
                });
            }
            catch(error) {
                alert("Your file " + Load.filename + " was not parsed correctly." + "\n\n" + "ERROR MESSAGE : " + error.message);
            }
        }
        reader.readAsArrayBuffer(file);
    }

Answer 2

My approach to loading a gltf file involves utilizing a method called reader to load any file within the scene, followed by parsing it using loader.parse. However, if you simply require a folder of sample models, there may be no need for the reader method and parser. You can simply use the basic load GLTF method and store your samples in an array or object. I hope this information proves helpful to you.

loadGltf(file, filename) {
        reader.onload = readerEvent => {
            const contents = readerEvent.target.result;
            const loader = new THREE.GLTFLoader()
            try {
                loader.parse(contents, '', function (gltf) {
                    gltf.scene.traverse(function(child) {
                        if (child.isMesh) {
                            child.castShadow = true;
                            child.receiveShadow = true;
                        }
                    });
                    currentModel = gltf.scene;
                    scene.add(gltf.scene);
                });
            }
            catch(error) {
                alert("Your file " + Load.filename + " was not parsed correctly." + "\n\n" + "ERROR MESSAGE : " + error.message);
            }
        }
        reader.readAsArrayBuffer(file);
    }

Reading a glTF file from the local system onto Javascript's memory

Answer №1

Similar questions

Explore the next page on the API response by navigating to another page

Steps for inserting an item into a div container

Error encountered with the {1}+ possessive quantifier in a JavaScript regex pattern

The compilation of the Angular application is successful, however, errors are arising stating that the property does not exist with the 'ng build --prod' command

Unnecessary socket.io connection in a React component

Start by executing the function and then proceed to upload a static file

What is the best way to share an array from a component to App.js in React?

personalizing material-ui component styles – set select component color to be pure white

Creating a Pyraminx using triangular shapes

What is the best way to compare two date strings with the format dd/mm/yyyy using JavaScript?

Running a JavaScript file enclosed within an AJAX response

Using numerous textures for a single mesh in THREE.js

The amazing magnific popup boasts a pair of close buttons

Connecting two anchor elements with a straight vertical line

Custom mute bot using Discord.js with the ability to specify duration and provide a reason

I'm curious about the process by which custom hooks retrieve data and the detailed pathway that custom hooks follow

Implementing the use of a partial view in ASP.NET MVC with the help of JavaScript

Display or conceal columns based on their index

Tips for testing nested HTTP calls in unit tests

Verification cannot be completed with the bootstrap modal