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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

Particles, THREE.PointCloud, and THREE.PointCloudMaterial


At the end of the previous section, we quickly introduced THREE.PointCloud. The constructor of THREE.PointCloud takes two properties: a geometry and a material. The material is used to color and texture the particles (as we'll see later on), and the geometry defines where the individual particles are positioned. Each vertex and each point used to define the geometry is shown as a particle. When we create THREE.PointCloud based on THREE.BoxGeometry, we get 8 particles, one for each corner of the cube. Normally, though, you won't create THREE.PointCloud from one of the standard Three.js geometries, but add the vertices manually to a geometry created from scratch (or use an externally loaded model) just like we did at the end of the previous section. In this section, we'll dive a bit deeper into this approach and look at how you can use THREE.PointCloudMaterial to style the particles. We'll explore this using the 03-basic-point-cloud...

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