We actually want to override all color settings for the whole line if color is...

We actually want to override all color settings for the whole line if color is set via set_color(), so we need a clear_colors() in fact.

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@11135 383ad7c9-94d9-4d36-a494-682f7c89f535

ACG/Scenegraph/LineNode.hh

@@ -153,6 +153,7 @@ public:
   
   /// Override material node's set color function in order to locally add color
   void set_color(const Vec4f& _c) {
+      clear_colors();
       add_color(ACG::Vec3uc((char)(((int)_c[0])*255),
                             (char)(((int)_c[1])*255),
                             (char)(((int)_c[2])*255)));