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A Guide to Create 3D Experience in the Browser with Three.js


The web has recently moved beyond two-dimensional interfaces and static content. Today, due to technologies such as WebGL and Three.js, we can create interactive 3D experiences directly on the web. In this blog post, we’ll review Three.js, a powerful JavaScript library that simplifies 3D graphics for the web.


Three.js is an open JavaScript library that sits on top of WebGL, a low-level API for rendering 3D images in a web browser. Ricardo Cabello created it, widely used in the web development community.

Three.js removes much of the complexity of WebGL, making it easier for developers to create 3D content and animations on the web.

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Why use Three.js?

  • Cross-browser compatibility: WebGL supports today’s web browsers, and Three.js addresses differences in WebGL usage between browsers, ensuring your 3D content is consistent across users.
  • Easy to use: js provides a high-level API that exposes many parts of low-level WebGL code. You only need some 3D graphics programming knowledge to create 3D scenes and animations.
  • Active Community: js has a strong and active developer community. You can find many tutorials, examples, and resources online to make learning and solving problems easier.
  • Performance: js is optimized for performance and allows you to create complex 3D scenes that run smoothly in the browser.

Step-by-Step Guide

1. Set up your environment
You can do this by downloading from the official website or using a package manager like npm or yarn with Three.js in your project.

  1. Create an environment
    In Three.js, everything starts with an event. It’s like a box containing all the 3D objects you want to make. You can create a scenario like this:

3. Add Camera
The camera defines the perspective of how you see the scene. There are many types of cameras, but the most common is PerspectiveCamera:

  1. Create a renderer
    To display a 3D scene, you need a renderer. The most used renderer is WebGLRenderer:
  1. Add Objects
    Now, you can start adding 3D objects to the scene. For example, add a cube:
  1. Scene Animation
    To create animations, you can use the requestAnimationFrame function, which provides a smoother and more flexible way to manipulate the scene:

Advanced Features of Three.js

Three.js has many features and functions, including:

  • Materials and Textures: You can use different materials and textures to make 3D objects look better.
  • Lights: Three.js allows you to control the lighting of your scene by supporting various light types such as ambient, directional, spot, and spotlights.
  • Import 3D models: Import 3D models created in other software (such as Blender, Maya) and paste them into your Three.js scene.
  • Physics: js has physics libraries such as Cannon.js and Ammo.js, allowing you to add realistic physics simulations to your 3D scenes.
  • Post-processing effects: You can use post-processing effects such as halos, depth of field, and motion blur to improve the visual quality of your 3D scenes.


Three.js is a powerful tool that supports 3D web development and makes it accessible to many developers. Whether you want to create interactive data visualizations, learning simulations, games, or add a 3D flair to your website, Three.js can help you turn your ideas into reality.

Drop a query if you have any questions regarding Three.js and we will get back to you quickly.

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1. Is Three.js suitable for web development beginners?

ANS: – Yes, Three.js is a good choice for beginners interested in 3D web development. While 3D graphics programming may seem daunting, Three.js abstracts away much of the complexity of WebGL, making it accessible to developers with different experience levels. It has great API documentation, a supportive community, and many online resources and tutorials to help beginners.

2. Can I use Three.js to develop my game?

ANS: – Yes, you can use Three.js to create 3D online games. While Three.js is not a full-fledged game engine like Unity or Unreal Engine, it provides a framework for creating interactive and visually appealing 3D game environments in the browser. You can combine Three.js with other libraries and frameworks, such as physics engines and concepts, to create games of different types and complexity. Many online games are made using Three.js.

WRITTEN BY Shreya Shah



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