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FBX Model Loader

Video Lecture

FBX Loader FBX Loader FBX Model Loader

Description

The FBX format is used to provide interoperability between digital content creation applications and game engines such as Blender, Maya, Autodesk, Unity, Unreal and many others. It supports many features such as 3D models, scene hierarchy, materials, lighting, animations, bones and more.

Resources

For this exercise, you should download the character model named "Kachujin G Rosales" from Mixamo and save it into your ./dist/client/models folder. Save it using the FBX Binary(.fbx) and T-Pose options.

Lesson Script

./src/client/client.ts

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import * as THREE from 'three'
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls'
import { FBXLoader } from 'three/examples/jsm/loaders/FBXLoader'
import Stats from 'three/examples/jsm/libs/stats.module'

const scene = new THREE.Scene()
scene.add(new THREE.AxesHelper(5))

const light = new THREE.PointLight()
light.position.set(0.8, 1.4, 1.0)
scene.add(light)

const ambientLight = new THREE.AmbientLight()
scene.add(ambientLight)

const camera = new THREE.PerspectiveCamera(
    75,
    window.innerWidth / window.innerHeight,
    0.1,
    1000
)
camera.position.set(0.8, 1.4, 1.0)

const renderer = new THREE.WebGLRenderer()
renderer.setSize(window.innerWidth, window.innerHeight)
document.body.appendChild(renderer.domElement)

const controls = new OrbitControls(camera, renderer.domElement)
controls.enableDamping = true
controls.target.set(0, 1, 0)

//const material = new THREE.MeshNormalMaterial()

const fbxLoader = new FBXLoader()
fbxLoader.load(
    'models/kachujin_g_rosales.fbx',
    (object) => {
        // object.traverse(function (child) {
        //     if ((child as THREE.Mesh).isMesh) {
        //         // (child as THREE.Mesh).material = material
        //         if ((child as THREE.Mesh).material) {
        //             ((child as THREE.Mesh).material as THREE.MeshBasicMaterial).transparent = false
        //         }
        //     }
        // })
        // object.scale.set(.01, .01, .01)
        scene.add(object)
    },
    (xhr) => {
        console.log((xhr.loaded / xhr.total) * 100 + '% loaded')
    },
    (error) => {
        console.log(error)
    }
)

window.addEventListener('resize', onWindowResize, false)
function onWindowResize() {
    camera.aspect = window.innerWidth / window.innerHeight
    camera.updateProjectionMatrix()
    renderer.setSize(window.innerWidth, window.innerHeight)
    render()
}

const stats = Stats()
document.body.appendChild(stats.dom)

function animate() {
    requestAnimationFrame(animate)

    controls.update()

    render()

    stats.update()
}

function render() {
    renderer.render(scene, camera)
}

animate()

Mixamo

https://en.wikipedia.org/wiki/FBX

International System of Units