I convert my quaternion to a matrix using left handed coord system.
I have an input who is right handed, so the rotation needs to be inverted on each axis.
When I input my quaternion, if I change w to -w it's ok, inverted axis works too.
What is the more correct, invert the w or invert (x,y,z) ?
Edited by Alundra, 07 July 2013 - 07:15 AM.