1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/****************************************************************************
* camera.h
*
* This module contains all defines, typedefs, and prototypes for CAMERA.CPP.
*
* from Persistence of Vision(tm) Ray Tracer version 3.6.
* Copyright 1991-2003 Persistence of Vision Team
* Copyright 2003-2004 Persistence of Vision Raytracer Pty. Ltd.
*---------------------------------------------------------------------------
* 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 developers. There are strict rules
* regarding how you are permitted to use this file. These rules are contained
* in the distribution and derivative versions licenses which should have been
* provided with this file.
*
* These licences may be found online, linked from the end-user license
* agreement that is located at http://www.povray.org/povlegal.html
*---------------------------------------------------------------------------
* 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.
*---------------------------------------------------------------------------
* $File: //depot/povray/3.6-release/source/camera.h $
* $Revision: #2 $
* $Change: 2939 $
* $DateTime: 2004/07/04 13:43:26 $
* $Author: root $
* $Log$
*****************************************************************************/
#ifndef CAMERA_H
#define CAMERA_H
BEGIN_POV_NAMESPACE
/*****************************************************************************
* 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 */
VECTOR Focal_Point; /* 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. */
TRANSFORM *Trans; /* Used only to record the user's input */
};
/*****************************************************************************
* 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);
END_POV_NAMESPACE
#endif
|
