16 |
|
|
17 |
|
#include <ctype.h> |
18 |
|
|
19 |
+ |
#include <string.h> |
20 |
+ |
|
21 |
|
#include "parser.h" |
22 |
|
|
23 |
|
#include "lookup.h" |
470 |
|
va[1] = v2->p[1] - v1->p[1]; |
471 |
|
va[2] = v2->p[2] - v1->p[2]; |
472 |
|
length = sqrt(DOT(va,va)); |
473 |
< |
angle = acos(va[1]/length); |
473 |
> |
if (va[1] >= length) |
474 |
> |
angle = 0.; |
475 |
> |
else if (va[1] <= -length) |
476 |
> |
angle = PI; |
477 |
> |
else |
478 |
> |
angle = acos(va[1]/length); |
479 |
|
printf("%sTranslation { translation %13.9g %13.9g %13.9g }\n", tabs, |
480 |
|
.5*(v1->p[0]+v2->p[0]), .5*(v1->p[1]+v2->p[1]), |
481 |
|
.5*(v1->p[2]+v2->p[2])); |