19 |
|
char *rtargv[32] = {"rtrace", "-h", "-ov", "-fff"}; |
20 |
|
int rtargc = 4; |
21 |
|
|
22 |
< |
VIEW ourview; /* our view */ |
22 |
> |
VIEW ourview = STDVIEW; /* our view */ |
23 |
|
VIEW pictview = STDVIEW; /* picture view */ |
24 |
|
VIEW leftview, rightview; /* leftmost and rightmost views */ |
25 |
|
|
205 |
|
} |
206 |
|
nglarangs = i; |
207 |
|
/* nglardirs = 2*nglarangs + 1; */ |
208 |
< |
/* vsize = sampdens; */ |
208 |
> |
/* vsize = sampdens - 1; */ |
209 |
|
if (nglarangs > 0) |
210 |
|
maxtheta = (PI/180.)*glarang[nglarangs-1]; |
211 |
|
else |
212 |
|
maxtheta = 0.0; |
213 |
|
hlim = sampdens*maxtheta; |
214 |
< |
hsize = sampdens + hlim; |
214 |
> |
hsize = hlim + sampdens - 1; |
215 |
|
if (hsize > (int)(PI*sampdens)) |
216 |
|
hsize = PI*sampdens; |
217 |
|
indirect = (struct illum *)calloc(nglardirs, sizeof(struct illum)); |
295 |
|
} |
296 |
|
|
297 |
|
|
298 |
– |
spinvector(vres, vorig, vnorm, theta) /* rotate vector around normal */ |
299 |
– |
FVECT vres, vorig, vnorm; |
300 |
– |
double theta; |
301 |
– |
{ |
302 |
– |
extern double sin(), cos(); |
303 |
– |
double sint, cost, dotp; |
304 |
– |
FVECT vperp; |
305 |
– |
register int i; |
306 |
– |
|
307 |
– |
sint = sin(theta); |
308 |
– |
cost = cos(theta); |
309 |
– |
dotp = DOT(vorig, vnorm); |
310 |
– |
fcross(vperp, vnorm, vorig); |
311 |
– |
for (i = 0; i < 3; i++) |
312 |
– |
vres[i] = vnorm[i]*dotp*(1.-cost) + |
313 |
– |
vorig[i]*cost + vperp[i]*sint; |
314 |
– |
} |
315 |
– |
|
316 |
– |
|
298 |
|
memerr(s) /* malloc failure */ |
299 |
|
char *s; |
300 |
|
{ |
301 |
< |
fprintf(stderr, "%s: out of memory for %s\n", s); |
301 |
> |
fprintf(stderr, "%s: out of memory for %s\n", progname, s); |
302 |
|
exit(1); |
303 |
|
} |
304 |
|
|