X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.plant3d%2Fsrc%2Forg%2Fsimantics%2Fplant3d%2Fscenegraph%2Fcontrolpoint%2FPipeControlPoint.java;h=124e54bb15761dc7451c63c5a9a4fd3af70335e5;hb=bf8d749e159470552b86484450b8b227b7985559;hp=fdb413ee39316b1cbc0652a4e2360c0ceb105b39;hpb=5303ddc439764f9263054f519deab7f9f350d561;p=simantics%2F3d.git

diff --git a/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipeControlPoint.java b/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipeControlPoint.java
index fdb413ee..124e54bb 100644
--- a/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipeControlPoint.java
+++ b/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipeControlPoint.java
@@ -791,9 +791,15 @@ public class PipeControlPoint extends G3DNode implements IP3DNode {
 	}
 	
 	/**
-	 * Returns direction vector. 
+	 * Returns direction vector pointing towards an adjacent component for
+	 * directed control points or turn control points with one open end. 
 	 * 
-	 * For directed control points, always returns outwards pointing vector.
+	 * Always returns an outwards pointing vector.
+	 * 
+	 * For any other type of component, the return value is null.
+	 * 
+	 * For turn components this only return a non-null value for the unconnected
+	 * end of the component. 
 	 * 
 	 * @param direction
 	 * @return normalized vector, or null
@@ -837,6 +843,7 @@ public class PipeControlPoint extends G3DNode implements IP3DNode {
                     Vector3d offset = new Vector3d();
                     MathTools.rotate(q2, v, offset);
                     MathTools.rotate(q, offset, dir);
+                    dir.negate();
                     dir.normalize();
                     return dir;
                 }