intersect_line_triangle.h

// Description: Intersection between a line and a triangle

#ifndef PASTELGEOMETRY_INTERSECT_LINE_TRIANGLE_H
#define PASTELGEOMETRY_INTERSECT_LINE_TRIANGLE_H

#include "pastel/sys/mytypes.h"
#include "pastel/geometry/shape/line.h"
#include "pastel/geometry/shape/triangle.h"

namespace Pastel
{

    //! Finds the intersection between a line and a triangle.

    template <typename Real>
    bool intersect(const Line<Real, 2>& line,
        const PASTEL_TRIANGLE(Real, 2)& triangle,
        Real& tIntersection);

    //! Finds the intersection between a line and a triangle.
    /*!
   'tIntersection' is the line's parametric distance to
   the intersection point.
   'uIntersection' and 'vIntersection' form the barycentric
   coordinates of the intersection point on the triangle.
   */

    template <typename Real>
    bool intersect(
        const Line<Real, 3>& line,
        const PASTEL_TRIANGLE(Real, 3)& triangle,
        Real& tIntersection,
        Real& uIntersection,
        Real& vIntersection);

}

#include "pastel/geometry/intersect/intersect_line_triangle.hpp"

#endif