16 |
|
* xorg yorg zorg xdir ydir zdir |
17 |
|
* |
18 |
|
* The direction need not be normalized. Output is flexible. |
19 |
+ |
* If the direction vector is (0,0,0), then the output is flushed. |
20 |
|
* All values default to ascii representation of real |
21 |
|
* numbers. Binary representations can be selected |
22 |
|
* with '-ff' for float or '-fd' for double. By default, |
95 |
|
while (getvec(orig, inform, fp) == 0 && |
96 |
|
getvec(direc, inform, fp) == 0) { |
97 |
|
|
98 |
< |
if (normalize(direc) == 0.0) |
99 |
< |
error(USER, "zero direction vector"); |
98 |
> |
if (normalize(direc) == 0.0) { /* zero ==> flush */ |
99 |
> |
fflush(stdout); |
100 |
> |
continue; |
101 |
> |
} |
102 |
|
/* compute and print */ |
103 |
|
if (outvals[0] == 'i') |
104 |
|
irrad(orig, direc); |
105 |
|
else |
106 |
|
radiance(orig, direc); |
107 |
< |
/* flush if requested */ |
107 |
> |
/* flush if time */ |
108 |
|
if (--nextflush == 0) { |
109 |
|
fflush(stdout); |
110 |
|
nextflush = hresolu; |
226 |
|
return(-1); |
227 |
|
break; |
228 |
|
case 'f': /* binary float */ |
229 |
< |
if (fread(vf, sizeof(float), 3, fp) != 3) |
229 |
> |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
230 |
|
return(-1); |
231 |
|
vec[0] = vf[0]; vec[1] = vf[1]; vec[2] = vf[2]; |
232 |
|
break; |
233 |
|
case 'd': /* binary double */ |
234 |
< |
if (fread(vec, sizeof(double), 3, fp) != 3) |
234 |
> |
if (fread((char *)vec, sizeof(double), 3, fp) != 3) |
235 |
|
return(-1); |
236 |
|
break; |
237 |
|
} |
299 |
|
oputl(r) /* print length */ |
300 |
|
register RAY *r; |
301 |
|
{ |
302 |
< |
if (r->rot < FHUGE) |
300 |
< |
(*putreal)(r->rot); |
301 |
< |
else |
302 |
< |
(*putreal)(0.0); |
302 |
> |
(*putreal)(r->rt); |
303 |
|
} |
304 |
|
|
305 |
|
|
379 |
|
putd(v) /* print binary double */ |
380 |
|
double v; |
381 |
|
{ |
382 |
< |
fwrite(&v, sizeof(v), 1, stdout); |
382 |
> |
fwrite((char *)&v, sizeof(v), 1, stdout); |
383 |
|
} |
384 |
|
|
385 |
|
|
389 |
|
{ |
390 |
|
float f = v; |
391 |
|
|
392 |
< |
fwrite(&f, sizeof(f), 1, stdout); |
392 |
> |
fwrite((char *)&f, sizeof(f), 1, stdout); |
393 |
|
} |