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/*
* sphere.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 SPHERE_H
#define SPHERE_H
#define ObjSphereCreate(r,p) ObjCreate((ObjRef)SphereCreate(r,p), \
SphereMethods())
/*
* Sphere
*/
typedef struct {
Float r, rsq; /* radius, radius squared */
Float x, y, z; /* position */
} Sphere;
extern Sphere *SphereCreate();
extern Methods *SphereMethods();
extern int SphereIntersect(), SphereEnter(), SphereNormal();
extern void SphereBounds(), SphereUV(), SphereStats();
extern char *SphereName();
#endif /* SPHERE_H */
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