| 149 |
|
/* compute scanlines */ |
| 150 |
|
for (ypos -= ystep; ypos > -ystep; ypos -= ystep) { |
| 151 |
|
/* record progress */ |
| 152 |
< |
pctdone = 100.0*(vresolu-ypos-ystep)/vresolu; |
| 152 |
> |
pctdone = 100.0*(vresolu-1-ypos-ystep)/vresolu; |
| 153 |
|
/* bottom adjust? */ |
| 154 |
|
if (ypos < 0) { |
| 155 |
|
ystep += ypos; |
| 182 |
|
if (write(zfd, (char *)zbar[0], hresolu*sizeof(float)) |
| 183 |
|
< hresolu*sizeof(float)) |
| 184 |
|
goto writerr; |
| 185 |
< |
close(zfd); |
| 185 |
> |
if (close(zfd) == -1) |
| 186 |
> |
goto writerr; |
| 187 |
|
for (i = 0; i <= psample; i++) |
| 188 |
|
free((char *)zbar[i]); |
| 189 |
|
} |
| 235 |
|
COLOR vline[MAXDIV+1]; |
| 236 |
|
float zline[MAXDIV+1]; |
| 237 |
|
int b = ysize; |
| 237 |
– |
double z; |
| 238 |
|
register int i, j; |
| 239 |
|
|
| 240 |
|
for (i = 0; i < xres; i++) { |
| 320 |
|
{ |
| 321 |
|
static RAY thisray; /* our ray for this pixel */ |
| 322 |
|
|
| 323 |
< |
viewray(thisray.rorg, thisray.rdir, &ourview, |
| 324 |
< |
(x+pixjitter())/hresolu, (y+pixjitter())/vresolu); |
| 323 |
> |
if (viewray(thisray.rorg, thisray.rdir, &ourview, |
| 324 |
> |
(x+pixjitter())/hresolu, (y+pixjitter())/vresolu) < 0) { |
| 325 |
> |
setcolor(col, 0.0, 0.0, 0.0); |
| 326 |
> |
return(0.0); |
| 327 |
> |
} |
| 328 |
|
|
| 329 |
|
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
| 330 |
|
|
| 332 |
|
|
| 333 |
|
copycolor(col, thisray.rcol); /* return color */ |
| 334 |
|
|
| 335 |
< |
return(thisray.rot); /* return distance */ |
| 335 |
> |
return(thisray.rt); /* return distance */ |
| 336 |
|
} |
| 337 |
|
|
| 338 |
|
|
