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
|
/****************************************************************************
* point.h
*
* This module contains all defines, typedefs, and prototypes for POINT.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/point.h $
* $Revision: #2 $
* $Change: 2939 $
* $DateTime: 2004/07/04 13:43:26 $
* $Author: root $
* $Log$
*****************************************************************************/
#ifndef POINT_H
#define POINT_H
#include "vlbuffer.h"
BEGIN_POV_NAMESPACE
/*****************************************************************************
* Global preprocessor defines
******************************************************************************/
#define LIGHT_OBJECT (IS_COMPOUND_OBJECT+PATCH_OBJECT+LIGHT_SOURCE_OBJECT)
/* Light source types. */
#define POINT_SOURCE 1
#define SPOT_SOURCE 2
#define FILL_LIGHT_SOURCE 3
#define CYLINDER_SOURCE 4
/*****************************************************************************
* Global typedefs
******************************************************************************/
// moved to frame.h [trf]
/*****************************************************************************
* Global variables
******************************************************************************/
/*****************************************************************************
* Global functions
******************************************************************************/
LIGHT_SOURCE *Create_Light_Source (void);
DBL Attenuate_Light (LIGHT_SOURCE *Light_Source, RAY *Light_Source_Ray, DBL Distance);
COLOUR **Create_Light_Grid (int Size1, int Size2);
extern METHODS Light_Source_Methods ;
END_POV_NAMESPACE
#endif
|
