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/****************************************************************************
* warps.h
*
* This module contains all defines, typedefs, and prototypes for WARPS.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/warps.h $
* $Revision: #2 $
* $Change: 2939 $
* $DateTime: 2004/07/04 13:43:26 $
* $Author: root $
* $Log$
*****************************************************************************/
/* NOTE: FRAME.H contains other warp stuff. */
#ifndef WARP_H
#define WARP_H
BEGIN_POV_NAMESPACE
/*****************************************************************************
* Global preprocessor defines
******************************************************************************/
/* Warp types */
#define NO_WARP 0
#define CLASSIC_TURB_WARP 1
#define REPEAT_WARP 2
#define BLACK_HOLE_WARP 3
#define EXTRA_TURB_WARP 4
#define TRANSFORM_WARP 5
#define CYLINDRICAL_WARP 6
#define SPHERICAL_WARP 7
#define TOROIDAL_WARP 8
#define PLANAR_WARP 9
/*****************************************************************************
* Global typedefs
******************************************************************************/
typedef struct Repeat_Warp REPEAT;
typedef struct Trans_Warp TRANS;
typedef struct Black_Hole_Warp BLACK_HOLE;
typedef struct Spherical_Warp SPHEREW;
typedef struct Cylindrical_Warp CYLW;
typedef struct Toroidal_Warp TOROIDAL;
typedef struct Planar_Warp PLANARW;
struct Toroidal_Warp
{
WARP_FIELDS
VECTOR Orientation_Vector;
DBL DistExp;
DBL MajorRadius;
};
struct Cylindrical_Warp
{
WARP_FIELDS
VECTOR Orientation_Vector;
DBL DistExp;
};
struct Planar_Warp
{
WARP_FIELDS
VECTOR Orientation_Vector;
DBL OffSet;
};
struct Spherical_Warp
{
WARP_FIELDS
VECTOR Orientation_Vector;
DBL DistExp;
};
struct Repeat_Warp
{
WARP_FIELDS
int Axis;
SNGL Width;
VECTOR Flip, Offset;
};
struct Trans_Warp
{
WARP_FIELDS
TRANSFORM Trans;
};
struct Black_Hole_Warp
{
WARP_FIELDS
VECTOR Center ;
VECTOR Repeat_Vector ;
VECTOR Uncertainty_Vector ;
DBL Strength ;
DBL Radius ;
DBL Radius_Squared ;
DBL Inverse_Radius ;
DBL Power ;
short Inverted ;
short Type ;
short Repeat ;
short Uncertain ;
} ;
/*****************************************************************************
* Global variables
******************************************************************************/
/*****************************************************************************
* Global constants
******************************************************************************/
/*****************************************************************************
* Global functions
******************************************************************************/
void Warp_EPoint (VECTOR TPoint, VECTOR EPoint, TPATTERN *TPat);
WARP *Create_Warp (int Warp_Type);
void Destroy_Warps (WARP *Warps);
WARP *Copy_Warps (WARP *Old);
void Warp_Normal (VECTOR TNorm, VECTOR ENorm, TPATTERN *TPat, int DontScaleBumps);
void UnWarp_Normal (VECTOR TNorm, VECTOR ENorm, TPATTERN *TPat, int DontScaleBumps);
END_POV_NAMESPACE
#endif
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