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#ifndef PLANAR_ENTITY_INTERFACE_HEADER
#define PLANAR_ENTITY_INTERFACE_HEADER
//CCLib
#include <CCGeom.h>
//qCC_gl
#include <ccGLDrawContext.h>
//! Interface for a planar entity
class ccPlanarEntityInterface
{
public:
//! Default constructor
ccPlanarEntityInterface();
//! Show normal vector
inline void showNormalVector(bool state) { m_showNormalVector = state; }
//! Whether normal vector is shown or not
inline bool normalVectorIsShown() const { return m_showNormalVector; }
//! Returns the entity normal
virtual CCVector3 getNormal() const = 0;
protected: //members
//! Draws a normal vector (OpenGL)
void glDrawNormal(CC_DRAW_CONTEXT& context, const CCVector3& pos, float scale, const ccColor::Rgb* color = 0);
//! Whether the facet normal vector should be displayed or not
bool m_showNormalVector;
};
#endif //PLANAR_ENTITY_INTERFACE_HEADER
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