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/* Copyright (c) 1990 Regents of the University of California */ |
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/* Copyright (c) 1992 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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#define REFRACTED 010 /* refracted (bent) ray */ |
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#define TRANS 020 /* transmitted/transferred ray */ |
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#define AMBIENT 040 /* ray scattered for interreflection */ |
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#define SPECULAR 0100 /* ray scattered for specular */ |
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/* reflected ray types */ |
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#define RAYREFL (SHADOW|REFLECTED|AMBIENT) |
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#define RAYREFL (SHADOW|REFLECTED|AMBIENT|SPECULAR) |
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typedef struct ray { |
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long rno; /* unique ray number */ |
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extern int ndims; /* number of dimensions so far */ |
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extern int samplendx; /* index for this sample */ |
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#define MAXDIM 16 /* maximum number of dimensions */ |
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#define MAXDIM 32 /* maximum number of dimensions */ |
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#define rayvalue(r) (*(r)->revf)(r) |
