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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 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 leaving a message in CompuServe's Graphics Developer's
- * Forum. The latest version of POV-Ray may be found there as well.
- *
- * 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
-
-
-
- /*****************************************************************************
- * 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 r2;
- DBL h1, h2;
- DBL A, B, C, D;
- };
-
- struct Sor_Spline_Struct
- {
- int References;
- SOR_SPLINE_ENTRY *Entry;
- };
-
- struct Sor_Struct
- {
- OBJECT_FIELDS
- TRANSFORM *Trans;
- int Number;
- SOR_SPLINE *Spline; /* Array of spline segments */
- DBL Height1, Height2; /* Min./Max. height */
- DBL Radius2; /* 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 PARAMS((void));
- void Compute_Sor_BBox PARAMS((SOR *Sor));
- void Compute_Sor PARAMS((SOR *Sor, UV_VECT *P));
-
-
-
- #endif
-