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sor.h
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C/C++ Source or Header
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1999-10-20
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/****************************************************************************
* sor.h
*
* This module contains all defines, typedefs, and prototypes for SOR.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 SOR_H
#define SOR_H
#include "bcyl.h"
/*****************************************************************************
* Global preprocessor definitions
******************************************************************************/
#define SOR_OBJECT (STURM_OK_OBJECT)
/* Generate additional surface of revolution statistics. */
#define SOR_EXTRA_STATS 1
/*****************************************************************************
* Global typedefs
******************************************************************************/
typedef struct Sor_Struct SOR;
typedef struct Sor_Spline_Entry_Struct SOR_SPLINE_ENTRY;
typedef struct Sor_Spline_Struct SOR_SPLINE;
struct Sor_Spline_Entry_Struct
{
DBL A, B, C, D;
};
struct Sor_Spline_Struct
{
int References;
SOR_SPLINE_ENTRY *Entry;
BCYL *BCyl; /* bounding cylinder. */
};
struct Sor_Struct
{
OBJECT_FIELDS
TRANSFORM *Trans;
int Number;
SOR_SPLINE *Spline; /* List of spline segments */
DBL Height1, Height2; /* Min./Max. height */
DBL Radius1, Radius2; /* Min./Max. radius */
DBL Base_Radius_Squared; /* Radius**2 of the base plane */
DBL Cap_Radius_Squared; /* Radius**2 of the cap plane */
};
/*****************************************************************************
* Global variables
******************************************************************************/
/*****************************************************************************
* Global functions
******************************************************************************/
SOR *Create_Sor (void);
void Compute_Sor_BBox (SOR *Sor);
void Compute_Sor (SOR *Sor, UV_VECT *P);
#endif