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/*******************************************************************************
* warps.h
*
* This module contains all defines, typedefs, and prototypes for WARPS.CPP.
*
* ---------------------------------------------------------------------------
* Persistence of Vision Ray Tracer ('POV-Ray') version 3.7.
* Copyright 1991-2013 Persistence of Vision Raytracer Pty. Ltd.
*
* POV-Ray is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* POV-Ray 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* ---------------------------------------------------------------------------
* POV-Ray 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/public/povray/3.x/source/backend/pattern/warps.h $
* $Revision: #1 $
* $Change: 6069 $
* $DateTime: 2013/11/06 11:59:40 $
* $Author: chrisc $
*******************************************************************************/
/* NOTE: FRAME.H contains other warp stuff. */
#ifndef WARP_H
#define WARP_H
namespace pov
{
/*****************************************************************************
* 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
// JN2007: Cubic warp
#define CUBIC_WARP 10
/*****************************************************************************
* 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 : public Warps_Struct
{
VECTOR Orientation_Vector;
DBL DistExp;
DBL MajorRadius;
};
struct Cylindrical_Warp : public Warps_Struct
{
VECTOR Orientation_Vector;
DBL DistExp;
};
struct Planar_Warp : public Warps_Struct
{
VECTOR Orientation_Vector;
DBL OffSet;
};
struct Spherical_Warp : public Warps_Struct
{
VECTOR Orientation_Vector;
DBL DistExp;
};
struct Repeat_Warp : public Warps_Struct
{
int Axis;
SNGL Width;
VECTOR Flip, Offset;
};
struct Trans_Warp : public Warps_Struct
{
TRANSFORM Trans;
};
struct Black_Hole_Warp : public Warps_Struct
{
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, const VECTOR EPoint, const TPATTERN *TPat);
WARP *Create_Warp (int Warp_Type);
void Destroy_Warps (WARP *Warps);
WARP *Copy_Warps (const WARP *Old);
void Warp_Normal (VECTOR TNorm, const VECTOR ENorm, const TPATTERN *TPat, bool DontScaleBumps);
void UnWarp_Normal (VECTOR TNorm, const VECTOR ENorm, const TPATTERN *TPat, bool DontScaleBumps);
}
#endif
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