From 41210da7400e8132ee37d896f6a3319f682f9c11 Mon Sep 17 00:00:00 2001
From: Tobias Schmidt <tobias.schmidt@unibas.ch>
Date: Fri, 29 Jul 2011 17:59:13 +0200
Subject: [PATCH] ConnectorImpl::SetDir/SetDirAndLength only set local_rot_ if
direction =! 0
---
modules/mol/base/src/impl/connector_impl.cc | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/modules/mol/base/src/impl/connector_impl.cc b/modules/mol/base/src/impl/connector_impl.cc
index 8bafe009b..3a5a61532 100644
--- a/modules/mol/base/src/impl/connector_impl.cc
+++ b/modules/mol/base/src/impl/connector_impl.cc
@@ -92,14 +92,22 @@ Real ConnectorImpl::GetLength() const
}
void ConnectorImpl::SetDir(const geom::Vec3& dir) {
- geom::Vec3 v=Normalize(dir);
- local_rot_=find_rotation(v);
+ if(Length(dir)==0) {
+ local_rot_=geom::Mat3(1,0,0,0,1,0,0,0,1);
+ } else {
+ geom::Vec3 v=Normalize(dir);
+ local_rot_=find_rotation(v);
+ }
}
void ConnectorImpl::SetDirAndLength(const geom::Vec3& dir) {
len_=Length(dir);
- geom::Vec3 v=dir/len_;
- local_rot_=find_rotation(v);
+ if(len_==0) {
+ local_rot_=geom::Mat3(1,0,0,0,1,0,0,0,1);
+ } else {
+ geom::Vec3 v=dir/len_;
+ local_rot_=find_rotation(v);
+ }
}
bool ConnectorImpl::IsConnectorOf(const AtomImplPtr& a,
--
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