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libigl_Martin
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examples
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scene-rotation
Alec Jacobson fe9e094c4f updated readme to include build instructions for externals, bug fixed in embree lib paths 11 vuotta sitten
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Makefile 5b73716bcf major camera refactor 11 vuotta sitten
README f7f20ae33e better floors and scene rotation trackball tester 11 vuotta sitten
example.cpp fe9e094c4f updated readme to include build instructions for externals, bug fixed in embree lib paths 11 vuotta sitten
trackball.cpp f7f20ae33e better floors and scene rotation trackball tester 11 vuotta sitten
trackball.h f7f20ae33e better floors and scene rotation trackball tester 11 vuotta sitten

README

This is a small program that demonstrates various 2D mouse input interfaces for
control a 3D world-in-hand rotation.

So far this implements:
ROTATION_TYPE_IGL_TRACKBALL Continuous, "wrap-around" trackball, as seen in
AntTweakBar.
ROTATION_TYPE_BELL_TRACKBALL De facto "Standard" trackball, limited to 180°
rotations.
ROTATION_TYPE_TWO_AXIS_VALUATOR Rotate around drag vector by amount
proportional to drag length.
ROTATION_TYPE_TWO_AXIS_VALUATOR_FIXED_UP Rotate around fixed up-vector by x
drag length and around y drag vector by y drag length. As seen in Maya, 3D
Studio Max, etc.

More trackball variantes could be snatched from here:
http://opentissue.org/svn/OpenTissue/archieve/grid3d/OpenTissue/trackball/