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OS/2 Shareware BBS: Graphics
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povsrc31.zip
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spheres.h
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C/C++ Source or Header
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1999-10-20
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73 lines
/****************************************************************************
* spheres.h
*
* This module contains all defines, typedefs, and prototypes for SPHERES.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 SPHERES_H
#define SPHERES_H
/*****************************************************************************
* Global preprocessor defines
******************************************************************************/
#define SPHERE_OBJECT (BASIC_OBJECT)
/*****************************************************************************
* Global typedefs
******************************************************************************/
typedef struct Sphere_Struct SPHERE;
struct Sphere_Struct
{
OBJECT_FIELDS
TRANSFORM *Trans;
VECTOR Center;
DBL Radius;
};
/*****************************************************************************
* Global variables
******************************************************************************/
/*****************************************************************************
* Global functions
******************************************************************************/
SPHERE *Create_Sphere (void);
void Compute_Sphere_BBox (SPHERE *Sphere);
int Intersect_Sphere (RAY *Ray, VECTOR Center, DBL Radius2, DBL *Depth1, DBL *Depth2);
SPHERE *Copy_Sphere (OBJECT *Object);
void Transform_Sphere (OBJECT *Object, TRANSFORM *Trans);
void Destroy_Sphere (OBJECT *Object);
#endif