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From: fritzz@net1.UCSD.EDU (Friedrich Knauss)
Newsgroups: net.sources
Subject: basic ray tracing:part 5 (rtd.h)
Message-ID: <194@net1.UCSD.EDU>
Date: Fri, 25-Jul-86 17:40:47 EDT
Article-I.D.: net1.194
Posted: Fri Jul 25 17:40:47 1986
Date-Received: Sat, 26-Jul-86 22:28:15 EDT
Reply-To: fritzz@net1.UUCP (Friedrich Knauss)
Organization: University of California, San Diego
Lines: 28

struct vector {
double x;
double y;
double z;
double l;
double xzl;} ;

struct ray {
struct vector org;
struct vector dir;} ;

struct sphere {
struct vector cent;
double rad;} ;

struct ball {
struct sphere s;
float ior;
float rfr;
float rfl;
float dif;
float amb;
};

struct mat {
struct vector x;  /* first !row! */
struct vector y;  /*second !row! */
struct vector z;}; /* third !row! */