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How to Use Fog in Three.js in 2025?

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Best Three.js Books to Buy in October 2025

1 The Relentless Legion (The Divide Series, 3)

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2 3D Web Development with Three.js and Next.js: Creating end-to-end web applications that contain 3D objects (English Edition)

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3D Web Development with Three.js and Next.js: Creating end-to-end web applications that contain 3D objects (English Edition)
3 J.S. Bach: Inventions and Sinfonias BWV 772–801 | Henle Urtext Piano Sheet Music (Revised Edition) | Baroque Masterwork for Study and Performance | ... French, German) (Multilingual Edition)

J.S. Bach: Inventions and Sinfonias BWV 772–801 | Henle Urtext Piano Sheet Music (Revised Edition) | Baroque Masterwork for Study and Performance | ... French, German) (Multilingual Edition)

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4 Monstress Book Three

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5 Dr. Seuss's Beginner Book Boxed Set Collection: The Cat in the Hat; One Fish Two Fish Red Fish Blue Fish; Green Eggs and Ham; Hop on Pop; Fox in Socks

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6 How to Haunt Your House, Book Three

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7 Strictly No Elephants (The Pet Club Series)

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8 Wild Swans: Three Daughters of China

Wild Swans: Three Daughters of China

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With the rapid advancements in web technologies, visualizing 3D graphics on the web has become a common practice. One wildly popular JavaScript library enabling these 3D graphics is Three.js. As we approach 2025, using Three.js to create stunning visuals like fog effects has become simpler yet more sophisticated. This article will guide you on utilizing fog in Three.js to enhance your 3D scenes.

Understanding Fog in Three.js

Fog in Three.js is an effect that simulates environment-based vision loss, mimicking how moisture in the air can obscure distant objects. It is used to add depth to scenes and create a more lifelike atmosphere in simulations, games, or interactive experiences.

Types of Fog

Three.js primarily supports two kinds of fog:

  1. Linear Fog: Gradually increases the fog's density over a range. It's defined with start and stop distances, controlling the appearance of fog over a linear distance.

  2. Exponential Fog: Increases fog density exponentially. It is a more natural approach since most real-life fog scenarios increase density with distance non-linearly.

Understanding the types of fog allows you to choose the suitable one for your scene and control its visual impact.

Implementing Fog in Three.js

Linear Fog Example

const scene = new THREE.Scene();
scene.fog = new THREE.Fog(0xffffff, 10, 50);

Exponential Fog Example

scene.fog = new THREE.FogExp2(0xffffff, 0.02);

Choosing the Right Type of Fog

Selecting between linear and exponential fog largely depends on your scene's aesthetics and the environmental accuracy you aim to achieve. Linear fog is perfect for simple scenes or when you need precise control over fog density. In contrast, exponential fog is better suited for realistic environments, offering a natural depth that mimics atmospheric interactions more closely.

Learning Resources for Three.js

To harness the full power of Three.js, a deep understanding is essential. While exploring such technical realms, choosing the right learning resources is crucial.

What to Look For in Three.js Books

  • Clarity and Comprehension: Ensure the book explains concepts in a clear, easy-to-understand manner, using plenty of code examples.

  • Updated Content: Technology evolves rapidly. Opt for books published recently or with editions regularly updated to cover the latest features and best practices.

  • Comprehensive Coverage: A good resource should cover not just the basics but also delve into advanced techniques and features like shaders and custom graphics rendering.

  • Community Feedback: Use forums and reviews to gauge the usefulness and applicability of the content to real-world scenarios.

Further Learning

  • For capturing JavaScript console logs in iframes, visit this guide.

  • Learn how to handle asynchronous operations efficiently in your JS applications in this JavaScript async guide.

  • To get an insight into calculating the Average Directional Index (ADX) with JS, explore this tutorial.

By immersing yourself in well-crafted books and online resources, you can master the art of rendering 3D graphics using Three.js, paving the way for exceptional web experiences in 2025 and beyond.