Learn THREEJS with Real Code Examples
Updated Nov 26, 2025
Learning Path
Learn basics of WebGL concepts
Understand Three.js core classes (Scene, Camera, Renderer)
Create simple objects and materials
Animate scenes and load 3D models
Build complex interactive 3D applications
Skill Improvement Plan
Week 1: Geometry and materials
Week 2: Lights, shadows, and cameras
Week 3: Model loading and textures
Week 4: Animation and post-processing
Week 5: WebXR and physics integration
Interview Questions
Explain Three.js scene graph architecture.
How do you implement shadows in Three.js?
What is the difference between MeshBasicMaterial and MeshStandardMaterial?
How to load and animate a GLTF model?
Describe the rendering loop using requestAnimationFrame.
Cheat Sheet
const scene = new THREE.Scene();
const camera = new THREE.PerspectiveCamera();
const renderer = new THREE.WebGLRenderer();
const mesh = new THREE.Mesh(geometry, material);
renderer.render(scene, camera);
Books
Learning Three.js – The JavaScript 3D Library
Three.js Cookbook
Three.js Essentials
Mastering Three.js
Three.js Animation Techniques
Tutorials
Three.js fundamentals
Loading 3D models with Three.js
Animating objects and cameras
Post-processing effects
WebXR experiences with Three.js
Official Docs
https://threejs.org/docs/
https://threejs.org/
Community Links
Three.js GitHub
Three.js Slack and Discord
StackOverflow Three.js tag
Reddit r/threejs
YouTube Three.js tutorials
Community Support
Three.js GitHub repository
Three.js Slack and Discord channels
StackOverflow Three.js tag
Reddit r/threejs
Various tutorials and YouTube channels