Trace.h

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#ifndef VF_TRACE
#define VF_TRACE

#include <vrecko/Ability.h>
#include <osg/Vec4>
#include <osg/Geode>
#include <osg/MatrixTransform>
#include <osg/Group>

using namespace vrecko;
namespace VirtualFixture{

class Trace: public Ability {
    public:
        Trace();
        ~Trace() {};

        void processEvent(const std::string &input_name, void *value);

        void preInitialize(void);
        void postInitialize(void);
        void update(void);

        void display(void);
        
        void addMarker(osg::Vec3 position); //add new marker
        void removeAllMarkers(); //remove all markers from scene and free memory
        
        
        bool loadXMLParameters(XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *pParametersNode);
        XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *getXMLParameters(XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *);
        
    protected:
        bool active;            //if true, it will be active
        
        bool visible;           //if geometric representation will be visible
        osg::MatrixTransform *tnode;        //transform node pointer
        osg::Group *gnode;      //group  pointer -> top node in OSG subtree -> container for all markers
        osg::Geode *node;       //geometry node pointer -> for adding new marker
        osg::Vec4 color;        //color of first marker
        osg::Vec4 color2;       //color of first marker
        
        float transparency;     //first marker transparency
        float transparency2;        //first marker transparency
        
        float radius;           //marker radius -> for geometry
        float mindistance;      //minimal distance to new marker (to avoid all markers at the same location)
        
        int num_of_markers;     //amount of markers
        osg::Vec3 latestpos;    //position of lastest marker
        
        
};

};

#endif