球面線性插值

球面線性插值（，通常簡稱），是四元數的一種線性插值運算，主要用於在兩個表示旋轉的四元數之間平滑差值。

外部链接

• Ken Shoemake. [https://web.archive.org/web/20121004002406/http://run.usc.edu/cs520-s12/assign2/p245-shoemake.pdf Animating rotation with quaternion curves].
• Erik B. Dam, Martin Koch, Martin Lillholm. [http://web.mit.edu/2.998/www/QuaternionReport1.pdf Quaternions, Interpolation and Animation]
• [http://number-none.com/product/Understanding%20Slerp,%20Then%20Not%20Using%20It/ Understanding Slerp, Then Not Using It]
• [http://www.theory.org/software/qfa/writeup/node12.html Brian Martin on quaternion animation]