else set_point((x-get_sub_trans_origin())/get_scalar());
}
-//! Updates width and tangent ducks that change when the origin moves
-void
-Duck::update(const synfig::Time &time)
-{
- if((get_type() == Duck::TYPE_TANGENT || get_type() == Duck::TYPE_WIDTH || get_type() == Duck::TYPE_ANGLE) && origin_duck)
- {
- ValueNode_BLineCalcVertex::Handle bline_vertex;
- ValueNode_Composite::Handle composite;
- if ((bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(origin_duck->get_value_desc().get_value_node())) ||
- ((composite = ValueNode_Composite::Handle::cast_dynamic(origin_duck->get_value_desc().get_value_node())) &&
- composite->get_type() == ValueBase::TYPE_BLINEPOINT &&
- (bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
- {
- synfig::Real radius = 0.0;
- ValueNode_BLine::Handle bline(ValueNode_BLine::Handle::cast_dynamic(bline_vertex->get_link(bline_vertex->get_link_index_from_name("bline"))));
- Real amount = synfig::find_closest_point((*bline)(time), origin_duck->get_point(), radius, bline->get_loop());
-
- int vertex_amount_index(bline_vertex->get_link_index_from_name("amount"));
- ValueNode::Handle vertex_amount_value_node(bline_vertex->get_link(vertex_amount_index));
-
-
- if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(get_value_desc().get_value_node()))
- {
- switch (bline_tangent->get_type())
- {
- case ValueBase::TYPE_ANGLE:
- {
- Angle angle((*bline_tangent)(time, amount).get(Angle()));
- set_point(Point(Angle::cos(angle).get(), Angle::sin(angle).get()));
- rotations=synfig::Angle::deg(0); //hack: rotations are a relative value
- break;
- }
- case ValueBase::TYPE_REAL:
- set_point(Point((*bline_tangent)(time, amount).get(Real()), 0));
- break;
- case ValueBase::TYPE_VECTOR:
- set_point((*bline_tangent)(time, amount).get(Vector()));
- break;
- default:
- break;
- }
- }
- else if (ValueNode_BLineCalcWidth::Handle bline_width = ValueNode_BLineCalcWidth::Handle::cast_dynamic(get_value_desc().get_value_node()))
- set_point(Point((*bline_width)(time, amount).get(Real()), 0));
- }
-
- }
-}
-
-
void
Duck::set_sub_trans_point(const synfig::Point &x)
{