50#ifndef _SO_PICK_RAY_ELEMENT
51#define _SO_PICK_RAY_ELEMENT
53#include <Inventor/SbLinear.h>
54#include <Inventor/elements/SoSubElement.h>
93 virtual void print(FILE *fp)
const;
98 virtual void init(
SoState *state);
109 virtual SoElement* copyMatchInfo()
const;
113 static void initClass();
114 static void exitClass();
Abstract base class for all state elements.
Stores the current ray to use for picking.
static void set(SoState *state, const SbViewVolume &volume)
Sets the picking ray.
static const SbViewVolume & get(SoState *state)
Returns the current picking ray view volume from the state.
virtual void print(FILE *fp) const
Prints element (for debugging).