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/*
* poly.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".
*
* $Id$
*
* $Log$
*/
#ifndef POLY_H
#define POLY_H
#define ObjPolygonCreate(r,p) ObjCreate((ObjRef)PolygonCreate(r,p), \
PolygonMethods())
/*
* Polygon
*/
typedef struct {
Vector norm; /* Normal to polygon */
Float d; /* Plane constant */
char index; /* Which normal coord is "dominant"? */
Vector *points; /* Array of vertices */
int npoints; /* Number of vertices */
} Polygon;
extern Polygon *PolygonCreate();
extern Methods *PolygonMethods();
extern int PolygonIntersect(), PolygonEnter(), PolygonNormal();
extern void PolygonBounds(), PolygonUV(), PolygonStats();
extern char *PolygonName();
#endif /* POLY_H */
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