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/* Copyright (c) 1986 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* RCSid $Id$ */ |
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/* |
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* cone.h - header file for cones (cones, cylinders, rings, cups, tubes). |
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* |
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* 2/12/86 |
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*/ |
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#include "copyright.h" |
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typedef struct cone { |
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double *ca; /* cone arguments (o->oargs.farg) */ |
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FLOAT *ca; /* cone arguments (o->oargs.farg) */ |
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char p0, p1; /* indices for endpoints */ |
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char r0, r1; /* indices for radii */ |
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FVECT ad; /* axis direction vector */ |
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double al; /* axis length */ |
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double sl; /* side length */ |
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double (*tm)[4]; /* pointer to transformation matrix */ |
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FLOAT al; /* axis length */ |
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FLOAT sl; /* side length */ |
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FLOAT (*tm)[4]; /* pointer to transformation matrix */ |
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} CONE; |
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#define CO_R0(co) ((co)->ca[(co)->r0]) |
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#define CO_P0(co) ((co)->ca+(co)->p0) |
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#define CO_P1(co) ((co)->ca+(co)->p1) |
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#ifdef NOPROTO |
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extern CONE *getcone(); |
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extern void freecone(); |
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extern void conexform(); |
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#else |
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extern CONE *getcone(OBJREC *o, int getxf); |
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extern void freecone(OBJREC *o); |
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extern void conexform(CONE *co); |
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#endif |
