@@ -387,7 +387,7 @@ IGL_INLINE igl::opengl::ViewerCore::ViewerCore()
// Default trackball
trackball_angle = Eigen::Quaternionf::Identity();
- rotation_type == ViewerCore::ROTATION_TYPE_TRACKBALL;
+ rotation_type = ViewerCore::ROTATION_TYPE_TRACKBALL;
set_rotation_type(ViewerCore::ROTATION_TYPE_TWO_AXIS_VALUATOR_FIXED_UP);
// Camera parameters