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#include "copyright.h" |
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#include "ray.h" |
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#include "ambient.h" |
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#include "otypes.h" |
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#include "rtotypes.h" |
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#include "source.h" |
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#include "func.h" |
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#include "random.h" |
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#ifndef MAXITER |
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double pdot; /* perturbed dot product */ |
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} ANISODAT; /* anisotropic material data */ |
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static void getacoords(); |
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static void agaussamp(); |
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static srcdirf_t diraniso; |
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static void getacoords(RAY *r, ANISODAT *np); |
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static void agaussamp(RAY *r, ANISODAT *np); |
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static void |
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diraniso(cval, np, ldir, omega) /* compute source contribution */ |
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COLOR cval; /* returned coefficient */ |
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register ANISODAT *np; /* material data */ |
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FVECT ldir; /* light source direction */ |
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double omega; /* light source size */ |
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diraniso( /* compute source contribution */ |
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COLOR cval, /* returned coefficient */ |
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void *nnp, /* material data */ |
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FVECT ldir, /* light source direction */ |
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double omega /* light source size */ |
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) |
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{ |
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register ANISODAT *np = nnp; |
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double ldot; |
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double dtmp, dtmp1, dtmp2; |
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FVECT h; |
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} |
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int |
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m_aniso(m, r) /* shade ray that hit something anisotropic */ |
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register OBJREC *m; |
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register RAY *r; |
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extern int |
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m_aniso( /* shade ray that hit something anisotropic */ |
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register OBJREC *m, |
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register RAY *r |
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) |
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{ |
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ANISODAT nd; |
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COLOR ctmp; |
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static void |
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getacoords(r, np) /* set up coordinate system */ |
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RAY *r; |
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register ANISODAT *np; |
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getacoords( /* set up coordinate system */ |
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RAY *r, |
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register ANISODAT *np |
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) |
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{ |
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register MFUNC *mf; |
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register int i; |
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static void |
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agaussamp(r, np) /* sample anisotropic gaussian specular */ |
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RAY *r; |
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register ANISODAT *np; |
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agaussamp( /* sample anisotropic gaussian specular */ |
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RAY *r, |
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register ANISODAT *np |
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) |
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{ |
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RAY sr; |
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FVECT h; |