| 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 | |