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- /**
- ** sipp - SImple Polygon Processor
- **
- ** A general 3d graphic package
- **
- ** Copyright Equivalent Software HB 1992
- **
- ** This program 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 1, or any later version.
- ** This program 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 can receive a copy of the GNU General Public License from the
- ** Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- **/
-
- /**
- ** viewpoint.h - Types and interface to viewpoint.c
- **/
-
- #ifndef VIEWPOINT_H
- #define VIEWPOINT_H
-
- #include <geometric.h>
- #include <sipp.h>
-
- #define ZCLIPF 100.0 /* Magic number used when defining hither & yon */
-
-
- extern Camera *sipp_current_camera; /* Viewpoint of the scene */
- extern double hither; /* Hither z-clipping plane */
- extern double yon; /* Yonder z-clipping plane */
-
- extern void camera_init();
- extern void view_vec_eval();
- extern void get_view_transf();
-
-
- #endif /* VIEWPOINT_H */
-