| 1 |
schorsch |
1.3 |
/* RCSid: $Id: vect.h,v 1.2 2003/02/28 20:11:30 greg Exp $ */ |
| 2 |
|
|
#ifndef _MGF_VECT_H_ |
| 3 |
|
|
#define _MGF_VECT_H_ |
| 4 |
|
|
#ifdef __cplusplus |
| 5 |
|
|
extern "C" { |
| 6 |
|
|
#endif |
| 7 |
|
|
|
| 8 |
greg |
1.1 |
|
| 9 |
|
|
#include <stdio.h> |
| 10 |
|
|
|
| 11 |
|
|
typedef float Vector[3]; |
| 12 |
|
|
|
| 13 |
|
|
#define X 0 |
| 14 |
|
|
#define Y 1 |
| 15 |
|
|
#define Z 2 |
| 16 |
|
|
|
| 17 |
|
|
/* Transformation matrix */ |
| 18 |
|
|
typedef float Matrix[4][4]; |
| 19 |
|
|
|
| 20 |
|
|
void vect_init (Vector v, float x, float y, float z); |
| 21 |
|
|
void vect_copy (Vector v1, Vector v2); |
| 22 |
|
|
int vect_equal (Vector v1, Vector v2); |
| 23 |
|
|
void vect_add (Vector v1, Vector v2, Vector v3); |
| 24 |
|
|
void vect_sub (Vector v1, Vector v2, Vector v3); |
| 25 |
|
|
void vect_scale (Vector v1, Vector v2, float k); |
| 26 |
|
|
float vect_mag (Vector v); |
| 27 |
|
|
void vect_normalize (Vector v); |
| 28 |
|
|
float vect_dot (Vector v1, Vector v2); |
| 29 |
|
|
void vect_cross (Vector v1, Vector v2, Vector v3); |
| 30 |
|
|
void vect_min (Vector v1, Vector v2, Vector v3); |
| 31 |
|
|
void vect_max (Vector v1, Vector v2, Vector v3); |
| 32 |
|
|
float vect_angle (Vector v1, Vector v2); |
| 33 |
|
|
void vect_print (FILE *f, Vector v, int dec, char sep); |
| 34 |
|
|
void vect_rotate (Vector v1, Vector v2, int axis, float angle); |
| 35 |
|
|
void vect_axis_rotate (Vector v1, Vector v2, Vector axis, float angle); |
| 36 |
|
|
void mat_identity (Matrix mat); |
| 37 |
|
|
void mat_copy (Matrix mat1, Matrix mat2); |
| 38 |
|
|
void mat_rotate (Matrix mat1, Matrix mat2, int axis, float angle); |
| 39 |
|
|
void mat_axis_rotate (Matrix mat1, Matrix mat2, Vector axis, float angle); |
| 40 |
|
|
void mat_mult (Matrix mat1, Matrix mat2, Matrix mat3); |
| 41 |
|
|
void vect_transform (Vector v1, Vector v2, Matrix mat); |
| 42 |
|
|
void mat_decode (Matrix mat, Vector scale, Vector shear, Vector rotate, Vector |
| 43 |
|
|
transl); |
| 44 |
|
|
float mat_inv (Matrix mat1, Matrix mat2); |
| 45 |
|
|
|
| 46 |
schorsch |
1.3 |
|
| 47 |
|
|
#ifdef __cplusplus |
| 48 |
|
|
} |
| 49 |
greg |
1.1 |
#endif |
| 50 |
schorsch |
1.3 |
#endif /* _MGF_VECT_H_ */ |
