int
DrawManip::move(CEvent &e, State *&s)
{
if (!_cmd)
return 0;
// XXX - needs work, doing plane constraint ATM...
if (plane().is_valid()) {
apply_translation(plane().intersect(ptr_ray()) - _down_pt);
return 0;
}
// XXX - need comments...
CRV_SKETCHptr cs = CRV_SKETCH::get_instance();
if (cs->is_active() & _down) {
Bcurve* curve = cs->curve();
Wpt_listMap* map = cs->shadow_map();
Wpt pt = Wpt(curve->shadow_plane(), Wline(ptr_cur()));
if (_first)
map->set_p0(new WptMap(pt));
else
map->set_p1(new WptMap(pt));
map->recompute();
SurfaceCurveMap* o = (SurfaceCurveMap*)curve->map();
Wpt first = o->map(0), last = o->map(1);
if (curve->b1()) {
curve->b1()->move_to(first);
}
if (curve->b2()) {
curve->b2()->move_to(last);
}
cs->reset_timeout();
return 0;
}
return 0;
}
void
CIRCLE_WIDGET::make_preview( void )
{
_preview.clear();
// Get a coordinate system
Wvec Z = _plane.normal();
Wvec X = Z.perpend();
Wvec Y = cross(Z,X);
Wtransf xf(_center, X, Y, Z);
// Make the hi-res circle for the curve's map1d3d:
const int ORIG_RES = 256;
_preview.realloc(ORIG_RES + 1);
double dt = (2*M_PI)/ORIG_RES;
for (int i=0; i<ORIG_RES; i++) {
double t = dt*i;
_preview += xf*Wpt(_radius*cos(t), _radius*sin(t), 0);
}
_preview += _preview[0]; // make it closed
if( _suggest_active ) {
return;
}
if( _circle == 0 ) {
// XXX - no undo! should fix
_circle = PanelAction::create(
_plane, _center, _radius, TEXBODY::get_skel_mesh(0), _disk_res, 0
);
} else {
Bcurve *border = Bcurve::lookup(_circle->bfaces().get_boundary().edges());
if( border != 0 ) {
Wpt_listMap *map = Wpt_listMap::upcast(border->map());
if( map )
map->set_pts(_preview);
}
}
}
