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/* Copyright (c) 1986 Regents of the University of California */ |
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* o_face.c - routines for creating octrees for polygonal faces. |
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* |
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return(O_MISS); |
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/* compute cube boundaries */ |
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for (j = 0; j < 3; j++) |
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< |
cumax[j] = (cumin[j] = cu->cuorg[j]) + cu->cusize; |
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cumax[j] = (cumin[j] = cu->cuorg[j]-FTINY) |
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+ cu->cusize + 2.0*FTINY; |
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vloc = ABOVE | BELOW; /* check vertices */ |
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for (i = 0; i < f->nv; i++) |
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if (j = plocate(VERTEX(f,i), cumin, cumax)) |
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if ( (j = plocate(VERTEX(f,i), cumin, cumax)) ) |
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vloc &= j; |
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else |
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return(O_HIT); /* vertex inside */ |
