X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Fvaluenode_segcalctangent.cpp;h=245bf62fe6d62f0780235cc6e550656466ad8a77;hb=9459638ad6797b8139f1e9f0715c96076dbf0890;hp=a457624d7bc130b6b6d258d1b9e7c46aa6a2e3ca;hpb=6f8559ddcb82636029d07776700d51b0e0c35e92;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/valuenode_segcalctangent.cpp b/synfig-core/trunk/src/synfig/valuenode_segcalctangent.cpp
index a457624..245bf62 100644
--- a/synfig-core/trunk/src/synfig/valuenode_segcalctangent.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_segcalctangent.cpp
@@ -6,7 +6,7 @@
 **
 **	\legal
 **	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**	Copyright (c) 2007 Chris Moore
+**	Copyright (c) 2007, 2008 Chris Moore
 **
 **	This package is free software; you can redistribute it and/or
 **	modify it under the terms of the GNU General Public License as
@@ -79,17 +79,15 @@ ValueNode_SegCalcTangent::~ValueNode_SegCalcTangent()
 ValueBase
 ValueNode_SegCalcTangent::operator()(Time t)const
 {
+	if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+		printf("%s:%d operator()\n", __FILE__, __LINE__);
+
 	Segment segment((*segment_)(t).get(Segment()));
 
 	etl::hermite<Vector> curve(segment.p1,segment.p2,segment.t1,segment.t2);
 	etl::derivative< etl::hermite<Vector> > deriv(curve);
 
-#ifdef ETL_FIXED_DERIVATIVE
-	return deriv((*amount_)(t).get(Real()))*(0.5);
-#else
-	return deriv((*amount_)(t).get(Real()))*(-0.5);
-#endif
-
+	return deriv((*amount_)(t).get(Real()));
 }