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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 _ANSI_ARGS_((void));
extern void
get_view_transf _ANSI_ARGS_((Transf_mat *view_mat,
Camera *camera,
int render_mode));
#endif /* VIEWPOINT_H */
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