mdw@git.distorted.org.uk Git - newkind/blob - vector.h

   1 /*
   2  * Elite - The New Kind.
   3  *
   4  * Reverse engineered from the BBC disk version of Elite.
   5  * Additional material by C.J.Pinder.
   6  *
   7  * The original Elite code is (C) I.Bell & D.Braben 1984.
   8  * This version re-engineered in C by C.J.Pinder 1999-2001.
   9  *
  10  * email: <christian@newkind.co.uk>
  11  *
  12  */
  13
  14
  15 #ifndef VECTOR_H
  16 #define VECTOR_H
  17
  18 struct vector
  19 {
  20         double x;
  21         double y;
  22         double z;
  23 };
  24
  25 typedef struct vector Matrix[3];
  26 typedef struct vector Vector;
  27
  28 void mult_matrix (struct vector *first, struct vector *second);
  29 void mult_vector (struct vector *vec, struct vector *mat);
  30 double vector_dot_product (struct vector *first, struct vector *second);
  31 struct vector unit_vector (struct vector *vec);
  32 void set_init_matrix (struct vector *mat);
  33 void tidy_matrix (struct vector *mat);
  34
  35 #endif
  36