| 35 |
|
|
| 36 |
|
typedef struct { |
| 37 |
|
short t, p; /* theta, phi indices */ |
| 38 |
< |
COLOR v; /* value sum */ |
| 38 |
> |
COLOR v; /* division sum (partial) */ |
| 39 |
|
float r; /* 1/distance sum */ |
| 40 |
|
float k; /* variance for this division */ |
| 41 |
|
int n; /* number of subsamples */ |
| 42 |
|
} AMBSAMP; /* ambient sample division */ |
| 43 |
|
|
| 44 |
|
typedef struct { |
| 45 |
< |
COLOR acoef; /* ambient contribution coefficient */ |
| 46 |
< |
float drc; /* daughter ray coefficient */ |
| 45 |
> |
COLOR acoef; /* division contribution coefficient */ |
| 46 |
|
FVECT ux, uy, uz; /* x, y and z axis directions */ |
| 47 |
|
short nt, np; /* number of theta and phi directions */ |
| 48 |
|
int ns; /* number of super-samples */ |
| 66 |
|
extern void multambient(COLOR aval, RAY *r, FVECT nrm); |
| 67 |
|
extern void ambdone(void); |
| 68 |
|
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 |
|
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 |
|
extern void extambient(COLOR cr, AMBVAL *ap, FVECT pv, FVECT nv); |
| 73 |
|
extern int ambsync(void); |
| 74 |
|
/* 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 |
|
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 |
|
extern int divsample(AMBSAMP *dp, AMBHEMI *h, RAY *r); |
| 79 |
|
extern void comperrs(AMBSAMP *da, AMBHEMI *hp); |
| 80 |
|
extern void posgradient(FVECT gv, AMBSAMP *da, AMBHEMI *hp); |
