Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / vrml-1.0.13 / vrml_group.m

diff --git a/octave_packages/vrml-1.0.13/vrml_group.m b/octave_packages/vrml-1.0.13/vrml_group.m
new file mode 100644 (file)
index 0000000..3afd3eb
--- /dev/null
+++ b/octave_packages/vrml-1.0.13/vrml_group.m
@@ -0,0 +1,44 @@
+## Copyright (C) 2002 Etienne Grossmann <etienne@egdn.net>
+##
+## This program is free software; you can redistribute it and/or modify it under
+## the terms of the GNU General Public License as published by the Free Software
+## Foundation; either version 3 of the License, or (at your option) any later
+## version.
+##
+## This program is distributed in the hope that it will be useful, but WITHOUT
+## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+## details.
+##
+## You should have received a copy of the GNU General Public License along with
+## this program; if not, see <http://www.gnu.org/licenses/>.
+
+## v = vrml_group (s1, s2 ... ) - Form a group node with children s1,...
+
+function v = vrml_group ( varargin )
+
+if nargin == 0, return end
+
+s = "";
+
+                               # beginpre 2.1.38
+## if (nargin > 0) 
+##   varargin = list(varargin, all_va_args); 
+## end
+                               # endpre 2.1.38
+if nargin > 0, s = varargin{1}; end
+if nargin > 1
+  for i = 2:nargin, s = [s,",\n", varargin{i}]; end
+end
+## indent s
+ni = 4;
+s = [blanks(ni), strrep(s,"\n",["\n",blanks(ni)])(:)'];
+
+v = sprintf (["Group {\n",\
+              "  children [\n",\
+             "%s",\
+              " ]\n",\
+             "}\n"],\
+            s);
+endfunction
+