https://stackoverflow.com/questions/11103683/euler-angle-to-quaternion-then-quaternion-to-euler-angle Euler angle to Quaternion then Quaternion to euler angle I'm using lib glm (http://glm.g-truc.net/) for test quaternion but I've a problem; when I convert euler angle to quaternion then immediatly quaternion to euler angles, my result are totally different stackoverflow.com http://marc-b-reynold..