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OS/2 Shareware BBS: Graphics
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povsrc31.zip
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camera.h
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C/C++ Source or Header
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1999-10-23
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101 lines
/****************************************************************************
* camera.h
*
* This module contains all defines, typedefs, and prototypes for CAMERA.C.
*
* from Persistence of Vision(tm) Ray Tracer
* Copyright 1996,1999 Persistence of Vision Team
*---------------------------------------------------------------------------
* NOTICE: This source code file is provided so that users may experiment
* with enhancements to POV-Ray and to port the software to platforms other
* than those supported by the POV-Ray Team. There are strict rules under
* which you are permitted to use this file. The rules are in the file
* named POVLEGAL.DOC which should be distributed with this file.
* If POVLEGAL.DOC is not available or for more info please contact the POV-Ray
* Team Coordinator by email to team-coord@povray.org or visit us on the web at
* http://www.povray.org. The latest version of POV-Ray may be found at this site.
*
* This program is based on the popular DKB raytracer version 2.12.
* DKBTrace was originally written by David K. Buck.
* DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
*
*****************************************************************************/
#ifndef CAMERA_H
#define CAMERA_H
/*****************************************************************************
* Global preprocessor defines
******************************************************************************/
/* Available camera types. [DB 8/94] */
#define PERSPECTIVE_CAMERA 1
#define ORTHOGRAPHIC_CAMERA 2
#define FISHEYE_CAMERA 3
#define ULTRA_WIDE_ANGLE_CAMERA 4
#define OMNIMAX_CAMERA 5
#define PANORAMIC_CAMERA 6
#define CYL_1_CAMERA 7
#define CYL_2_CAMERA 8
#define CYL_3_CAMERA 9
#define CYL_4_CAMERA 10
#define SPHERICAL_CAMERA 11
/*****************************************************************************
* Global typedefs
******************************************************************************/
typedef struct Camera_Struct CAMERA;
struct Camera_Struct
{
VECTOR Location;
VECTOR Direction;
VECTOR Up;
VECTOR Right;
VECTOR Sky;
VECTOR Look_At; /* Used only to record the user's preference */
DBL Focal_Distance, Aperture; /* ARE 9/92 for focal blur. */
int Blur_Samples; /* ARE 9/92 for focal blur. */
DBL Confidence; /* Probability for confidence test. */
DBL Variance; /* Max. variance for confidence test. */
int Type; /* Camera type. */
DBL Angle; /* Viewing angle. */
DBL H_Angle; /* Spherical horizontal viewing angle */
DBL V_Angle; /* Spherical verticle viewing angle */
TNORMAL *Tnormal; /* Primary ray pertubation. */
};
/*****************************************************************************
* Global variables
******************************************************************************/
/*****************************************************************************
* Global functions
******************************************************************************/
void Translate_Camera (CAMERA *Cm, VECTOR Vector);
void Rotate_Camera (CAMERA *Cm, VECTOR Vector);
void Scale_Camera (CAMERA *Cm, VECTOR Vector);
void Transform_Camera (CAMERA *Cm, TRANSFORM *Trans);
CAMERA *Copy_Camera (CAMERA *Old);
CAMERA *Create_Camera (void);
void Destroy_Camera (CAMERA *Cm);
#endif