Snap ssn = sn;
if(other.snap(ssn, limit, what))
{
- set_rotation(rotation+ssn.rotation-sn.rotation-Angle::half_turn());
+ if(what==SNAP_NODE)
+ set_rotation(rotation+ssn.rotation-sn.rotation-Angle::half_turn());
+ else
+ {
+ Angle adiff = wrap_balanced((ssn.rotation-sn.rotation)*2.0f)/2.0f;
+ set_rotation(rotation+adiff);
+ }
sn = get_snap_node(i);
- position += ssn.position-sn.position;
+ set_position(position+ssn.position-sn.position);
return true;
}
}
break_link(i);
}
+bool Object::collide_ray(const Ray &ray) const
+{
+ const Shape *shape = get_type().get_shape();
+ if(!shape)
+ return false;
+
+ Transform reverse_trans = Transform::rotation(rotation, Vector(0, 0, -1))*
+ Transform::translation(-position);
+ return shape->check_intersection(reverse_trans.transform(ray));
+}
+
+BoundingBox Object::get_bounding_box() const
+{
+ const Shape *shape = get_type().get_shape();
+ if(!shape)
+ return BoundingBox();
+
+ Transform trans = Transform::translation(position)*
+ Transform::rotation(rotation, Vector(0, 0, 1));
+ return trans.transform(shape->get_axis_aligned_bounding_box());
+}
+
} // namespace R2C2