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#include "copyright.h" |
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#include "ray.h" |
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– |
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#include "otypes.h" |
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+ |
#include "rtotypes.h" |
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/* |
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* This definition of glass provides for a quick calculation |
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#define RINDEX 1.52 /* refractive index of glass */ |
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< |
m_glass(m, r) /* color a ray which hit a thin glass surface */ |
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< |
OBJREC *m; |
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< |
register RAY *r; |
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> |
extern int |
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> |
m_glass( /* color a ray which hit a thin glass surface */ |
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> |
OBJREC *m, |
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> |
register RAY *r |
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> |
) |
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{ |
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COLOR mcolor; |
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double pdot; |