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- #ifndef K3DSDK_PLANE_H
- #define K3DSDK_PLANE_H
-
- // K-3D
- // Copyright (c) 1995-2006, Timothy M. Shead
- //
- // Contact: tshead@k-3d.com
- //
- // This library is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, or (at your option) any later version.
- //
- // This library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- // General Public License for more details.
- //
- // You should have received a copy of the GNU General Public
- // License along with this library; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- /** \file
- \author Tim Shead (tshead@k-3d.com)
- */
-
- #include "vector3.h"
-
- namespace k3d
- {
-
- class matrix4;
- class point3;
-
- /// Encapsulates a 3D plane surface
- class plane
- {
- public:
- /// Constructs a plane from its normal and distance from the origin
- plane(const vector3& Normal, const double Distance);
- /// Constructs a plane from its normal and one point located within the plane
- plane(const vector3& Normal, const point3& Point);
- /// Constructs a plane from three points contained within the plane
- plane(const point3& PointA, const point3& PointB, const point3& PointC);
-
- /// Stores the plane's normal vector
- vector3 normal;
- /// Stores the plane's distance from the origin
- double distance;
- };
-
- std::ostream& operator<<(std::ostream& Stream, const plane& RHS);
- std::istream& operator>>(std::istream& Stream, plane& RHS);
-
- /// Linear transformation if a plane by a transformation matrix
- const plane operator*(const matrix4& Matrix, const plane& Plane);
- /// Linear transformation if a plane by a transformation matrix
- const plane operator*(const plane& Plane, const matrix4& Matrix);
-
- } // namespace k3d
-
- #endif // !K3DSDK_PLANE_H
-
-