35 |
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36 |
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typedef struct { |
37 |
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short t, p; /* theta, phi indices */ |
38 |
< |
COLOR v; /* value sum */ |
38 |
> |
COLOR v; /* division sum (partial) */ |
39 |
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float r; /* 1/distance sum */ |
40 |
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float k; /* variance for this division */ |
41 |
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int n; /* number of subsamples */ |
42 |
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} AMBSAMP; /* ambient sample division */ |
43 |
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44 |
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typedef struct { |
45 |
< |
COLOR acoef; /* ambient contribution coefficient */ |
46 |
< |
float drc; /* daughter ray coefficient */ |
45 |
> |
COLOR acoef; /* division contribution coefficient */ |
46 |
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FVECT ux, uy, uz; /* x, y and z axis directions */ |
47 |
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short nt, np; /* number of theta and phi directions */ |
48 |
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int ns; /* number of super-samples */ |
66 |
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extern void multambient(COLOR aval, RAY *r, FVECT nrm); |
67 |
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extern void ambdone(void); |
68 |
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extern void ambnotify(OBJECT obj); |
69 |
< |
extern double sumambient(COLOR acol, RAY *r, double rw, FVECT rn, int al, |
69 |
> |
extern double sumambient(COLOR acol, RAY *r, FVECT rn, int al, |
70 |
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AMBTREE *at, FVECT c0, double s); |
71 |
< |
extern double makeambient(COLOR acol, RAY *r, COLOR ac, FVECT rn, int al); |
71 |
> |
extern double makeambient(COLOR acol, RAY *r, FVECT rn, int al); |
72 |
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extern void extambient(COLOR cr, AMBVAL *ap, FVECT pv, FVECT nv); |
73 |
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extern int ambsync(void); |
74 |
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/* defined in ambcomp.c */ |
75 |
< |
extern double doambient(COLOR acol, RAY *r, COLOR ac, double wt, |
75 |
> |
extern double doambient(COLOR acol, RAY *r, double wt, |
76 |
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FVECT pg, FVECT dg); |
77 |
< |
extern void inithemi(AMBHEMI *hp, RAY *r, COLOR ac, double wt); |
77 |
> |
extern void inithemi(AMBHEMI *hp, COLOR ac, RAY *r, double wt); |
78 |
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extern int divsample(AMBSAMP *dp, AMBHEMI *h, RAY *r); |
79 |
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extern void comperrs(AMBSAMP *da, AMBHEMI *hp); |
80 |
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extern void posgradient(FVECT gv, AMBSAMP *da, AMBHEMI *hp); |