CS: Fix camera orbit control with keys

7 years ago · bfad5ebde4
parent 5e076ee015
commit bfad5ebde4
1 changed files with 3 additions and 1 deletions
--- a/apps/opencs/view/render/cameracontroller.cpp
+++ b/apps/opencs/view/render/cameracontroller.cpp
@ -690,7 +690,9 @@ namespace CSVRender
        osg::Vec3 absoluteUp = osg::Vec3(0,0,1);

        osg::Vec3d forward = center - eye;
-        osg::Quat rotation = osg::Quat(value, absoluteUp ^ forward);
+
+        osg::Vec3d axis = absoluteUp ^ forward * (up.z() < 0.0 ? -1.0 : 1.0);
+        osg::Quat rotation = osg::Quat(value,axis);
        osg::Vec3d oldOffset = eye - mCenter;
        osg::Vec3d newOffset = rotation * oldOffset;