#include <osgDB/Input>
#include <osgDB/Output>
+#include <simgear/scene/util/OsgMath.hxx>
+
#include "SGRotateTransform.hxx"
-static void
-set_rotation (osg::Matrix &matrix, double position_rad,
- const SGVec3d ¢er, const SGVec3d &axis)
+void SGRotateTransform::set_rotation (osg::Matrix &matrix, double position_rad,
+ const SGVec3d ¢er,
+ const SGVec3d &axis)
{
double temp_angle = -position_rad;