| 1 |
schorsch |
2.7 |
/* RCSid $Id: cone.h,v 2.6 2003/06/27 06:53:21 greg Exp $ */ |
| 2 |
greg |
1.1 |
/* |
| 3 |
|
|
* cone.h - header file for cones (cones, cylinders, rings, cups, tubes). |
| 4 |
|
|
* |
| 5 |
|
|
* Storage of arguments in the cone structure is a little strange. |
| 6 |
|
|
* To save space, we use an index into the real arguments of the |
| 7 |
|
|
* object structure through ca. The indices are for the axis |
| 8 |
|
|
* endpoints and radii: p0, p1, r0 and r1. |
| 9 |
|
|
* |
| 10 |
|
|
* 2/12/86 |
| 11 |
|
|
*/ |
| 12 |
schorsch |
2.4 |
#ifndef _RAD_CONE_H_ |
| 13 |
|
|
#define _RAD_CONE_H_ |
| 14 |
|
|
#ifdef __cplusplus |
| 15 |
|
|
extern "C" { |
| 16 |
|
|
#endif |
| 17 |
greg |
2.2 |
|
| 18 |
greg |
1.1 |
typedef struct cone { |
| 19 |
schorsch |
2.5 |
RREAL *ca; /* cone arguments (o->oargs.farg) */ |
| 20 |
greg |
1.1 |
char p0, p1; /* indices for endpoints */ |
| 21 |
|
|
char r0, r1; /* indices for radii */ |
| 22 |
|
|
FVECT ad; /* axis direction vector */ |
| 23 |
schorsch |
2.5 |
RREAL al; /* axis length */ |
| 24 |
|
|
RREAL sl; /* side length */ |
| 25 |
|
|
RREAL (*tm)[4]; /* pointer to transformation matrix */ |
| 26 |
greg |
1.1 |
} CONE; |
| 27 |
|
|
|
| 28 |
schorsch |
2.7 |
#define CO_R0(co) ((co)->ca[(int)((co)->r0)]) |
| 29 |
|
|
#define CO_R1(co) ((co)->ca[(int)((co)->r1)]) |
| 30 |
greg |
1.1 |
#define CO_P0(co) ((co)->ca+(co)->p0) |
| 31 |
|
|
#define CO_P1(co) ((co)->ca+(co)->p1) |
| 32 |
|
|
|
| 33 |
greg |
2.2 |
|
| 34 |
|
|
extern CONE *getcone(OBJREC *o, int getxf); |
| 35 |
|
|
extern void freecone(OBJREC *o); |
| 36 |
|
|
extern void conexform(CONE *co); |
| 37 |
|
|
|
| 38 |
schorsch |
2.4 |
|
| 39 |
|
|
#ifdef __cplusplus |
| 40 |
|
|
} |
| 41 |
greg |
2.2 |
#endif |
| 42 |
schorsch |
2.4 |
#endif /* _RAD_CONE_H_ */ |
| 43 |
|
|
|
