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Learn Three.js

You're reading from   Learn Three.js Programming 3D animations and visualizations for the web with HTML5 and WebGL

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781788833288
Length 528 pages
Edition 3rd Edition
Languages
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Author (1):
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Jos Dirksen Jos Dirksen
Author Profile Icon Jos Dirksen
Jos Dirksen
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Table of Contents (14) Chapters Close

Preface 1. Creating Your First 3D Scene with Three.js 2. The Basic Components that Make Up a Three.js Application FREE CHAPTER 3. Working with Light Sources in Three.js 4. Working with Three.js Materials 5. Learning to Work with Geometries 6. Advanced Geometries and Binary Operations 7. Points and Sprites 8. Creating and Loading Advanced Meshes and Geometries 9. Animations and Moving the Camera 10. Loading and Working with Textures 11. Render Postprocessing 12. Adding Physics and Sounds to Your Scene 13. Other Books You May Enjoy

Creating a geometry by extruding

Three.js provides a couple of ways in which we can extrude a 2D shape to a 3D shape. By extruding, we mean stretching out a 2D shape along its z axis to convert it to 3D. For instance, if we extrude a THREE.CircleGeometry, we get a shape that looks like a cylinder, and if we extrude THREE.PlaneGeometry, we get a cube-like shape. The most versatile way of extruding a shape is using the THREE.ExtrudeGeometry object.

THREE.ExtrudeGeometry

With THREE.ExtrudeGeometry, you can create a 3D object from a 2D shape. Before we dive into the details of this geometry, let's first look at an example: 03-extrude-geometry.html. The following screenshot taken...

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