Hi,

I'm learning OSG throught the examples in tutorials section.  I'm looking in 
following tutorial:
http://www.openscenegraph.org/projects/osg/wiki/Support/Tutorials/BasicKeyboardInput

There is some piece of code:

class updateTankPosCallback : public osg::NodeCallback {
    public:
       updateTankPosCallback::updateTankPosCallback(tankInputDeviceStateType* 
tankIDevState)
          : rotation(0.0) , tankPos(-15.,0.,0.)

What is rotation(0,0) ? waht king of variable it is?

 Thank you!

Cheers,
Danny

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Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=15050#15050





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