- // the merged tangent should be the average of the 2 tangents we're merging
- ValueBase average(((Vector)((*value_node->get_link("t1"))(time)) +
- (Vector)((*value_node->get_link("t2"))(time))) / 2);
-
- {
- // set tangent1
- action=Action::create("value_desc_set");
- if(!action)
- throw Error(_("Couldn't find action \"value_desc_set\""));
-
- action->set_param("canvas",get_canvas());
- action->set_param("canvas_interface",get_canvas_interface());
- action->set_param("value_desc",ValueDesc(value_node,4));
- action->set_param("time",time);
- action->set_param("new_value",average);
-
- assert(action->is_ready());
- if(!action->is_ready())
- throw Error(Error::TYPE_NOTREADY);
-
- add_action(action);
- }
-
- {
- // set tangent2
- action=Action::create("value_desc_set");
- if(!action)
- throw Error(_("Couldn't find action \"value_desc_set\""));
-
- action->set_param("canvas",get_canvas());
- action->set_param("canvas_interface",get_canvas_interface());
- action->set_param("value_desc",ValueDesc(value_node,5));
- action->set_param("time",time);
- action->set_param("new_value",average);
-
- assert(action->is_ready());
- if(!action->is_ready())
- throw Error(Error::TYPE_NOTREADY);
-
- add_action(action);
- }