About The Quaternion 有关四元数

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原文链接：http://www.cnblogs.com/lookof/archive/2011/12/13/2285498.html

本文介绍了作者为改进Cuby项目的相机系统而深入研究四元数的过程。通过参考Ogre引擎的实现方式，作者试图理解四元数背后的数学原理，并探讨其在三维空间中旋转及移动的应用。

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About The Quaternion 有关四元数

I took many days to try to understand anything about Quaternion but got no result. The resaon why I paied out so much on quaternion is that, I'm trying to write a better camera system which is to added to my Cuby Projectcan. It should be able to move & rotate freely,. And meanwhile it uses as simple & little representation for itself as possible. So without saying that I refered to Ogre's implementation and found it uses Quaternion. But I don't only copy its code, I want to make out principle behind the code. According to comments in the code of Quaternion part from Ogre, I got a meesage that there is article linked at http://www.cs.ucr.edu/~vbz/resources/quatut.pdf explained details of Quaternion. I‘m not drawing blank, though. There is somewhat a little progress. Anyway, I'll read it in near term.

最近我花了很长时间去理解四元数，但总是一无所获。之所以研究四元书，是因为我在尝试写一个相对更加完善的相机系统，可以用在我的Cuby项目中。它应该在移动和旋转灵活的同时，能够用尽可能简洁的方式来表达它自己。很自然地，我参考了Ogre的实现方法，然后发现它使用了四元数。但我不只是想照着它的代码抄一遍，我想知道四元数背后的原理。从Ogre的代码注释中我找到一条线索，它用了这里的一篇论文 http://www.cs.ucr.edu/~vbz/resources/quatut.pdf 。总之，我还是有点收获的。近期我会读一读它～

BTW： First time to write bilingual notes and felt a little strenuous.. / 第一次写双语笔记，还是感到有点吃力..

posted on 2011-12-13 02:02 lookof 阅读( ...) 评论( ...) 编辑收藏

转载于:https://www.cnblogs.com/lookof/archive/2011/12/13/2285498.html