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/****************************************************************************
* sor.h
*
* This module contains all defines, typedefs, and prototypes for SOR.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/sor.h $
* $Revision: #2 $
* $Change: 2939 $
* $DateTime: 2004/07/04 13:43:26 $
* $Author: root $
* $Log$
*****************************************************************************/
#ifndef SOR_H
#define SOR_H
#include "bcyl.h"
BEGIN_POV_NAMESPACE
/*****************************************************************************
* 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
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);
END_POV_NAMESPACE
#endif
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