| Revision: | 2.6 |
| Committed: | Fri Jun 27 06:53:21 2003 UTC (21 years, 4 months ago) by greg |
| Content type: | text/plain |
| Branch: | MAIN |
| CVS Tags: | rad5R4, rad5R2, rad4R2P2, rad5R0, rad5R1, rad3R7P2, rad3R7P1, rad4R2, rad4R1, rad4R0, rad3R6, rad3R6P1, rad3R8, rad3R9, rad4R2P1, rad5R3, HEAD |
| Changes since 2.5: | +1 -3 lines |
| Log Message: | Broke standard.h into rtio.h, rterror.h, rtmath.h, and rtmisc.h |
| # | Content |
|---|---|
| 1 | /* RCSid $Id: face.h,v 2.5 2003/06/26 00:58:09 schorsch Exp $ */ |
| 2 | /* |
| 3 | * face.h - header for routines using polygonal faces. |
| 4 | */ |
| 5 | #ifndef _RAD_FACE_H_ |
| 6 | #define _RAD_FACE_H_ |
| 7 | #ifdef __cplusplus |
| 8 | extern "C" { |
| 9 | #endif |
| 10 | |
| 11 | #define VERTEX(f,n) ((f)->va + 3*(n)) |
| 12 | |
| 13 | typedef struct { /* a polygonal face */ |
| 14 | FVECT norm; /* the plane's unit normal */ |
| 15 | RREAL offset; /* plane equation: DOT(norm, v) == offset */ |
| 16 | RREAL area; /* area of face */ |
| 17 | RREAL *va; /* vertex array (o->oargs.farg) */ |
| 18 | short nv; /* # of vertices */ |
| 19 | short ax; /* axis closest to normal */ |
| 20 | } FACE; |
| 21 | |
| 22 | |
| 23 | extern FACE *getface(OBJREC *o); |
| 24 | extern void freeface(OBJREC *o); |
| 25 | extern int inface(FVECT p, FACE *f); |
| 26 | |
| 27 | |
| 28 | #ifdef __cplusplus |
| 29 | } |
| 30 | #endif |
| 31 | #endif /* _RAD_FACE_H_ */ |
| 32 |