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- /*
- * plane.h
- *
- * Copyright (C) 1989, 1991, Craig E. Kolb
- * All rights reserved.
- *
- * This software may be freely copied, modified, and redistributed
- * provided that this copyright notice is preserved on all copies.
- *
- * You may not distribute this software, in whole or in part, as part of
- * any commercial product without the express consent of the authors.
- *
- * There is no warranty or other guarantee of fitness of this software
- * for any purpose. It is provided solely "as is".
- *
- * $Id: plane.h,v 4.0 91/07/17 14:38:54 kolb Exp Locker: kolb $
- *
- * $Log: plane.h,v $
- * Revision 4.0 91/07/17 14:38:54 kolb
- * Initial version.
- *
- */
- #ifndef PLANE_H
- #define PLANE_H
-
- #define GeomPlaneCreate(p,n) GeomCreate((GeomRef)PlaneCreate(p,n), \
- PlaneMethods())
-
- /*
- * Plane
- */
- typedef struct {
- Vector norm, pos; /* Plane normal, point on plane */
- Float d; /* Plane constant. */
- } Plane;
-
- extern Plane *PlaneCreate();
- extern int PlaneIntersect(), PlaneNormal();
- extern void PlaneBounds(), PlaneUV(), PlaneStats();
- extern char *PlaneName();
- extern Methods *PlaneMethods();
-
- #endif /* PLANE_H */
-