7 |
|
|
8 |
|
#include "ray.h" |
9 |
|
#include "random.h" |
10 |
+ |
#include "paths.h" |
11 |
|
#include "resolu.h" |
12 |
|
|
13 |
|
#define NTRUNKBR 4 /* number of branches at trunk */ |
30 |
|
COLOR intens; /* output times solid angle */ |
31 |
|
} LOSTLIGHT; |
32 |
|
|
32 |
– |
extern char *progname; |
33 |
– |
|
33 |
|
FVECT scene_cent; /* center of octree cube */ |
34 |
|
RREAL scene_rad; /* radius to get outside cube from center */ |
35 |
|
|
115 |
|
VCOPY(myray.rdir, sdir); |
116 |
|
myray.rmax = 0.; |
117 |
|
ray_trace(&myray); |
118 |
< |
setcolr(leaf->val, colval(myray.rcol,RED), |
120 |
< |
colval(myray.rcol,GRN), |
121 |
< |
colval(myray.rcol,BLU)); |
118 |
> |
scolor_colr(leaf->val, myray.rcol); |
119 |
|
} |
120 |
|
|
121 |
|
/* Initialize a branch node contained in the given spherical triangle */ |
184 |
|
|
185 |
|
/* Sample sphere using triangular geodesic mesh */ |
186 |
|
TRITREE * |
187 |
< |
geosample(int nsamps) |
187 |
> |
geosample(long nsamps) |
188 |
|
{ |
189 |
|
int depth; |
190 |
|
TRITREE *tree; |
193 |
|
/* figure out depth */ |
194 |
|
if ((nsamps -= 4) < 0) |
195 |
|
error(USER, "minimum number of samples is 4"); |
196 |
< |
nsamps = nsamps*3/NTRUNKBR; /* round up */ |
196 |
> |
nsamps = nsamps*(NTRUNKBR-1)/NTRUNKBR; /* round up */ |
197 |
|
for (depth = 0; nsamps > 1; depth++) |
198 |
|
nsamps >>= 2; |
199 |
|
/* make base tetrahedron */ |
501 |
|
TRITREE *samptree; |
502 |
|
double thresh = 0; |
503 |
|
int i; |
504 |
< |
|
505 |
< |
progname = argv[0]; |
504 |
> |
|
505 |
> |
fixargv0(argv[0]); /* sets global progname */ |
506 |
> |
|
507 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
508 |
|
switch (argv[i][1]) { |
509 |
|
case 'd': /* number of samples */ |
556 |
|
} |
557 |
|
|
558 |
|
void |
559 |
< |
eputs(char *s) |
559 |
> |
eputs(const char *s) |
560 |
|
{ |
561 |
|
static int midline = 0; |
562 |
|
|
574 |
|
} |
575 |
|
|
576 |
|
void |
577 |
< |
wputs(char *s) |
577 |
> |
wputs(const char *s) |
578 |
|
{ |
579 |
|
/* no warnings */ |
580 |
|
} |