2014/10/15 下午 10:13:05

iphone Programming Glossary: quaternions

Use Quaternions to compute yaw, pitch and roll from iphone?

http://stackoverflow.com/questions/12322797/use-quaternions-to-compute-yaw-pitch-and-roll-from-iphone

Quaternions to compute yaw pitch and roll from iphone I have seen many questions and articles mentioning that Quaternions can be used.. Quaternions to compute yaw pitch and roll from iphone I have seen many questions and articles mentioning that Quaternions can be used to derive better accurate and stable yaw pitch and roll readings from the iPhone rather than reading it's direct.. it's direct yaw pitch and roll readings. But at the same time I haven't seen any proper methods of implementing Quaternions in iPhone platform. As a beginner It's really hard to know How these Quaternions works and implementing them in a piece..

Using quaternion instead of roll, pitch and yaw to track device motion

http://stackoverflow.com/questions/19239482/using-quaternion-instead-of-roll-pitch-and-yaw-to-track-device-motion

good understanding of quaternions skip this if you already made friends with them . I recommend OpenGL Tutorials Using Quaternions to represent rotation or The Matrix and Quaternions FAQ . It helps to bear in mind that x y z represent the axis to rotate.. made friends with them . I recommend OpenGL Tutorials Using Quaternions to represent rotation or The Matrix and Quaternions FAQ . It helps to bear in mind that x y z represent the axis to rotate around not normalised and w cos alpha 2 i.e. stands..