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Learning Three.js: The JavaScript 3D Library for WebGL - Second Edition

Learning Three.js: The JavaScript 3D Library for WebGL - Second Edition

By : Jos Dirksen
4.4 (14)
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Learning Three.js: The JavaScript 3D Library for WebGL - Second Edition

Learning Three.js: The JavaScript 3D Library for WebGL - Second Edition

4.4 (14)
By: Jos Dirksen

Overview of this book

If you know JavaScript and want to start creating 3D graphics that run in any browser, this book is a great choice for you. You don't need to know anything about math or WebGL; all that you need is general knowledge of JavaScript and HTML.
Table of Contents (14 chapters)
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8
8. Creating and Loading Advanced Meshes and Geometries
13
Index

Special lights

In this section on special lights, we'll discuss two additional lights provided by Three.js. First, we'll discuss THREE.HemisphereLight, which helps in creating more natural lighting for outdoor scenes, then we'll look at THREE.AreaLight, which emits lights from a large area instead of a single point, and finally, we'll show you how you can add a lens flare effect to your scene.

THREE.HemisphereLight

The first special light we're going to look at is THREE.HemisphereLight. With THREE.HemisphereLight, we can create more natural-looking outdoor lighting. Without this light, we could simulate the outdoors by creating THREE.DirectionalLight, which emulates the sun, and maybe add additional THREE.AmbientLight to provide some general color to the scene. This, however, won't look really natural. When you're outdoors, not all the light comes directly from above: much is diffused by the atmosphere and reflected by the ground and other objects. THREE...

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