//**********************************************************************
//
// * Find the intersection of this plane and a line defined by a direction
// and a point on the line. Return true if the line intersects the plane and
// return the point of intersection through the reference parameter,
// otherwise return false.
//
//======================================================================
bool SJCPlane::
Intersect(const SJCVector3f& point, const SJCVector3f& direction,
SJCVector3f& intersection) const
//======================================================================i
{
if (IsParallel(direction))
return false;
else {
intersection = point + direction * -( (m_normal * point) +
m_distance) / (m_normal * direction);
return true;
}// else
}// Intersect
bool
PlaneGeometry::IsOnPlane( const PlaneGeometry *plane ) const
{
return ( IsParallel( plane ) && (Distance( plane->GetOrigin() ) < eps) );
}
bool Plane::Equals(const Plane &other, float epsilon) const
{
return IsParallel(other, epsilon) && EqualAbs(d, other.d, epsilon);
}
