X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Fvaluenode_bline.cpp;h=dde8a459afbd2b57203ac696fcd7b6718e3aeaef;hb=6d603393d410ef8f75165a435f4d638c7a66681e;hp=a5dc1def09180ed3f4ce338b5b049bdf26568ade;hpb=f444974043946c071373c9caf7e7c85f9e1f9354;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/valuenode_bline.cpp b/synfig-core/trunk/src/synfig/valuenode_bline.cpp
index a5dc1de..dde8a45 100644
--- a/synfig-core/trunk/src/synfig/valuenode_bline.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_bline.cpp
@@ -79,7 +79,12 @@ radial_interpolation(const Vector& a, const Vector& b, float c)
 	affine_combo<Angle,float> ang_combo;
 
 	Real mag(mag_combo(a.mag(),b.mag(),c));
-	Angle ang(ang_combo(Angle::tan(a[1],a[0]),Angle::tan(b[1],b[0]),c));
+	Angle angle_a(Angle::tan(a[1],a[0]));
+	Angle angle_b(Angle::tan(b[1],b[0]));
+	float diff = Angle::deg(angle_b - angle_a).get();
+	if (diff < -180) angle_b += Angle::deg(360);
+	else if (diff > 180) angle_a += Angle::deg(360);
+	Angle ang(ang_combo(angle_a, angle_b, c));
 
 	return Point( mag*Angle::cos(ang).get(),mag*Angle::sin(ang).get() );
 }