gfx/povray/ray.h

   1 /****************************************************************************
   2 *                   ray.h
   3 *
   4 *  This module contains all defines, typedefs, and prototypes for RAY.C.
   5 *
   6 *  from Persistence of Vision(tm) Ray Tracer
   7 *  Copyright 1996,1999 Persistence of Vision Team
   8 *---------------------------------------------------------------------------
   9 *  NOTICE: This source code file is provided so that users may experiment
  10 *  with enhancements to POV-Ray and to port the software to platforms other
  11 *  than those supported by the POV-Ray Team.  There are strict rules under
  12 *  which you are permitted to use this file.  The rules are in the file
  13 *  named POVLEGAL.DOC which should be distributed with this file.
  14 *  If POVLEGAL.DOC is not available or for more info please contact the POV-Ray
  15 *  Team Coordinator by email to team-coord@povray.org or visit us on the web at
  16 *  http://www.povray.org. The latest version of POV-Ray may be found at this site.
  17 *
  18 * This program is based on the popular DKB raytracer version 2.12.
  19 * DKBTrace was originally written by David K. Buck.
  20 * DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
  21 *
  22 *****************************************************************************/
  23
  24 /* NOTE: FRAME.H contains other ray stuff. */
  25
  26 #ifndef RAY_H
  27 #define RAY_H
  28
  29
  30
  31 /*****************************************************************************
  32 * Global preprocessor defines
  33 ******************************************************************************/
  34
  35
  36
  37 /*****************************************************************************
  38 * Global typedefs
  39 ******************************************************************************/
  40
  41
  42
  43 /*****************************************************************************
  44 * Global variables
  45 ******************************************************************************/
  46
  47
  48
  49
  50 /*****************************************************************************
  51 * Global functions
  52 ******************************************************************************/
  53
  54 void Initialize_Ray_Containers (RAY *Ray);
  55 void Copy_Ray_Containers (RAY *Dest_Ray, RAY *Source_Ray);
  56 void Ray_Enter (RAY *ray, INTERIOR *interior);
  57 void Ray_Exit (RAY *ray, int nr);
  58 int  Interior_In_Ray_Container (RAY *, INTERIOR *);
  59
  60
  61
  62 #endif