src/common/cone.h

/* RCSid $Id: cone.h,v 2.4 2003/06/06 16:38:47 schorsch Exp $ */
/*
 *  cone.h - header file for cones (cones, cylinders, rings, cups, tubes).
 *
 *      Storage of arguments in the cone structure is a little strange.
 *  To save space, we use an index into the real arguments of the
 *  object structure through ca.  The indices are for the axis
 *  endpoints and radii:  p0, p1, r0 and r1.
 *
 *     2/12/86
 */
#ifndef _RAD_CONE_H_
#define _RAD_CONE_H_
#ifdef __cplusplus
extern "C" {
#endif

#include "copyright.h"

typedef struct cone {
        RREAL  *ca;             /* cone arguments (o->oargs.farg) */
        char  p0, p1;           /* indices for endpoints */
        char  r0, r1;           /* indices for radii */
        FVECT  ad;              /* axis direction vector */
        RREAL  al;              /* axis length */
        RREAL  sl;              /* side length */
        RREAL  (*tm)[4];        /* pointer to transformation matrix */
}  CONE;

#define  CO_R0(co)      ((co)->ca[(co)->r0])
#define  CO_R1(co)      ((co)->ca[(co)->r1])
#define  CO_P0(co)      ((co)->ca+(co)->p0)
#define  CO_P1(co)      ((co)->ca+(co)->p1)


extern CONE  *getcone(OBJREC *o, int getxf);
extern void  freecone(OBJREC *o);
extern void  conexform(CONE *co);


#ifdef __cplusplus
}
#endif
#endif /* _RAD_CONE_H_ */

Revision:	2.5
Committed:	Thu Jun 26 00:58:09 2003 UTC (20 years, 10 months ago) by schorsch
Content type:	text/plain
Branch:	MAIN
Changes since 2.4:	+5 -5 lines
Log Message:	Abstracted process and path handling for Windows. Renamed FLOAT to RREAL because of conflict on Windows. Added conditional compiles for some signal handlers.
#	User	Rev	Content
1	schorsch	2.5	/* RCSid $Id: cone.h,v 2.4 2003/06/06 16:38:47 schorsch 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	1.1
18	greg	2.3	#include "copyright.h"
19	greg	2.2
20	greg	1.1	typedef struct cone {
21	schorsch	2.5	RREAL ca; / cone arguments (o->oargs.farg) */
22	greg	1.1	char p0, p1; /* indices for endpoints */
23			char r0, r1; /* indices for radii */
24			FVECT ad; /* axis direction vector */
25	schorsch	2.5	RREAL al; /* axis length */
26			RREAL sl; /* side length */
27			RREAL (tm)[4]; / pointer to transformation matrix */
28	greg	1.1	} CONE;
29
30			#define CO_R0(co) ((co)->ca[(co)->r0])
31			#define CO_R1(co) ((co)->ca[(co)->r1])
32			#define CO_P0(co) ((co)->ca+(co)->p0)
33			#define CO_P1(co) ((co)->ca+(co)->p1)
34
35	greg	2.2
36			extern CONE getcone(OBJREC o, int getxf);
37			extern void freecone(OBJREC *o);
38			extern void conexform(CONE *co);
39
40	schorsch	2.4
41			#ifdef __cplusplus
42			}
43	greg	2.2	#endif
44	schorsch	2.4	#endif /* _RAD_CONE_H_ */
45