view *view_create()
{
view *V;
if ((V = (view *) calloc(1, sizeof (view))))
view_home(V);
return V;
}
int viewglut_key(viewglut *P, int k, int d)
{
double s = 5;
int mine = 1;
assert(P);
if (d)
{
/* Interpret a key press. */
switch (tolower(k))
{
case 27:
exit(EXIT_SUCCESS);
break;
case 7:
viewglut_grab();
break;
case 6:
viewglut_fwd(P);
break;
case 2:
viewglut_rev(P);
break;
case 16:
view_prev(P->V);
break;
case 14:
view_next(P->V);
break;
case 8:
view_home(P->V);
break;
case 10:
view_jump(P->V);
break;
case 19:
view_save(P->V, VIEW_DAT);
break;
case 12:
view_load(P->V, VIEW_DAT);
break;
case 18:
view_remove(P->V);
break;
case 9:
view_insert(P->V);
break;
case 3:
view_clear (P->V);
break;
case 'd':
case 'e':
P->d[0] += s;
break;
case 'a':
P->d[0] -= s;
break;
case 'r':
case 'p':
P->d[1] += s;
break;
case 'f':
case 'u':
P->d[1] -= s;
break;
case 's':
case 'o':
P->d[2] += s;
break;
case 'w':
case ',':
P->d[2] -= s;
break;
default:
mine = 0; /* Not a viewglut key */
}
}
else
{
/* Interpret a key release. */
switch (tolower(k))
{
case 'd':
case 'e':
P->d[0] -= s;
break;
case 'a':
P->d[0] += s;
break;
case 'r':
case 'p':
P->d[1] -= s;
break;
case 'f':
case 'u':
P->d[1] += s;
break;
case 's':
case 'o':
P->d[2] -= s;
break;
case 'w':
case ',':
P->d[2] += s;
break;
default:
mine = 0; /* Not a viewglut key */
}
}
if (mine)
{
view_move(P->V, P->d);
glutPostRedisplay();
}
return mine;
}
