corrections to rotation angle computations, add dJointGetHingeAngle(), fix up slider error correction a bit.
corrections to rotation angle computations, add dJointGetHingeAngle(), fix up slider error correction a bit.


git-svn-id: 83d585846b3bb6dc23aa7649400c5e2e04e3d09e@126 685f7672-210f-0410-90b4-fe3ad19314fe

vancegroup-mirrors/open-dynamics-engine-svnmirror,vancegroup-mirrors/open-dynamics-engine-svnmirror,vancegroup-mirrors/open-dynamics-engine-svnmirror,vancegroup-mirrors/open-dynamics-engine-svnmirror,vancegroup-mirrors/open-dynamics-engine-svnmirror