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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
#include "Wm5MathematicsPCH.h"
#include "Wm5IntrRay3Plane3.h"
#include "Wm5IntrLine3Plane3.h"
namespace Wm5
{
//----------------------------------------------------------------------------
template <typename Real>
IntrRay3Plane3<Real>::IntrRay3Plane3 (const Ray3<Real>& ray,
const Plane3<Real>& plane)
:
mRay(&ray),
mPlane(&plane)
{
}
//----------------------------------------------------------------------------
template <typename Real>
const Ray3<Real>& IntrRay3Plane3<Real>::GetRay () const
{
return *mRay;
}
//----------------------------------------------------------------------------
template <typename Real>
const Plane3<Real>& IntrRay3Plane3<Real>::GetPlane () const
{
return *mPlane;
}
//----------------------------------------------------------------------------
template <typename Real>
bool IntrRay3Plane3<Real>::Test ()
{
return Find();
}
//----------------------------------------------------------------------------
template <typename Real>
bool IntrRay3Plane3<Real>::Find ()
{
Line3<Real> line(mRay->Origin, mRay->Direction);
IntrLine3Plane3<Real> intr(line, *mPlane);
if (intr.Find())
{
// The line intersects the plane, but possibly at a point that is
// not on the ray.
mIntersectionType = intr.GetIntersectionType();
mRayParameter = intr.GetLineParameter();
return mRayParameter >= (Real)0;
}
mIntersectionType = IT_EMPTY;
return false;
}
//----------------------------------------------------------------------------
template <typename Real>
Real IntrRay3Plane3<Real>::GetRayParameter () const
{
return mRayParameter;
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Explicit instantiation.
//----------------------------------------------------------------------------
template WM5_MATHEMATICS_ITEM
class IntrRay3Plane3<float>;
template WM5_MATHEMATICS_ITEM
class IntrRay3Plane3<double>;
//----------------------------------------------------------------------------
}
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