X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;ds=sidebyside;f=synfig-studio%2Ftrunk%2Fsrc%2Fsynfigapp%2Factions%2Fvaluedescset.cpp;h=ccbd1ae22ce665a8347cf8059ce6d932b167d0b3;hb=c30e8f8a8dfc5eefc852c30d24454ca167960d3b;hp=4ed92869567911e7d55fb0e84053257fd876ec0c;hpb=fa0d98d6982bcc2fc503cf7c0f4c05df30a5c370;p=synfig.git

diff --git a/synfig-studio/trunk/src/synfigapp/actions/valuedescset.cpp b/synfig-studio/trunk/src/synfigapp/actions/valuedescset.cpp
index 4ed9286..ccbd1ae 100644
--- a/synfig-studio/trunk/src/synfigapp/actions/valuedescset.cpp
+++ b/synfig-studio/trunk/src/synfigapp/actions/valuedescset.cpp
@@ -334,9 +334,14 @@ Action::ValueDescSet::prepare()
 		{
 		case ValueBase::TYPE_VECTOR:
 		{
+			Angle old_angle = (*(ValueNode_RadialComposite::Handle::cast_dynamic(
+									 value_desc.get_value_node())->get_link_vfunc(1)))(time).get(Angle());
 			Vector vect(value.get(Vector()));
 			components[0]=vect.mag();
-			components[1]=Angle(Angle::tan(vect[1],vect[0]));
+			Angle change = Angle(Angle::tan(vect[1],vect[0])) - old_angle;
+			while (change < Angle::deg(-180)) change += Angle::deg(360);
+			while (change > Angle::deg(180)) change -= Angle::deg(360);
+			components[1]=old_angle + change;
 			n_components=2;
 		}
 			break;