https://github.com/Krasjet/quaternion

A brief introduction to the quaternions and its applications in 3D geometry.
https://github.com/Krasjet/quaternion

Last synced: 1 day ago
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A brief introduction to the quaternions and its applications in 3D geometry.

• Host: GitHub
• URL: https://github.com/Krasjet/quaternion
• Owner: Krasjet
• Created: 2018-07-17T01:23:37.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2021-09-09T16:31:26.000Z (about 3 years ago)
• Last Synced: 2024-10-23T03:08:02.410Z (21 days ago)
• Language: HTML
• Homepage: https://krasjet.github.io/quaternion/
• Size: 17 MB
• Stars: 1,729
• Watchers: 30
• Forks: 273
• Open Issues: 5
• Metadata Files:
  • Readme: README.md

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README

        
# 四元数与三维旋转

简单地讲了一下四元数在计算机图形学中的应用，除此之外在 Bonus 章节中也讨论了一下 Gimbal Lock 的产生。

文档本身可以在这里找到：[https://krasjet.github.io/quaternion/](https://krasjet.github.io/quaternion/)

Bonus 章节—Gimbal Lock：[https://krasjet.github.io/quaternion/bonus_gimbal_lock.pdf](https://krasjet.github.io/quaternion/bonus_gimbal_lock.pdf)

很久之前写的，所以错误可能会有很多。如果你发现有任何的错误或者对内容有建议，请到Issues中报告。

## Demo

在`demo`目录下你可以找到一些演示用的 MATLAB 代码。因为 MATLAB 不是免费的软件，所以我将每个动画都输出成了 GIF，你可以进入各个 Demo 的目录中观看（流量预警）。你也可以使用免费的 Octave 运行代码，但是性能可能不是很好。

## 更新

- 8/17/2020：大幅度的排版修正

- 2/18/2019：添加了第九章「附录 2：左手坐标系统下的旋转」

- 2/25/2019：重写了第二章的开头

## Some other stuff

If you like my works, you might also enjoy reading these:

- [julia as a cli calculator](https://krasjet.com/rnd.wlk/julia/)

- [Poisson summation formula, revisited](https://krasjet.com/rnd.wlk/poisson.pdf)