Orientation.h

Go to the documentation of this file.

#ifndef GfxTL__ORIENTATION_HEADER__
#define GfxTL__ORIENTATION_HEADER__
 
#include <GfxTL/VectorXD.h>
 
namespace GfxTL
{
    template <class ScalarT>
    inline ScalarT
    Orientation(const VectorXD<2, ScalarT>& p1,
                const VectorXD<2, ScalarT>& p2,
                const VectorXD<2, ScalarT>& c)
    {
        return ((p1[0] - c[0]) * (p2[1] - c[1])) - ((p1[1] - c[1]) * (p2[0] - c[0]));
    }
}; // namespace GfxTL
 
#endif