X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=octave_packages%2Fvrml-1.0.13%2Fvrml_PointLight.m;fp=octave_packages%2Fvrml-1.0.13%2Fvrml_PointLight.m;h=c035ff93b1100acf8ab969c634cffaf9b6620806;hb=c880e8788dfc484bf23ce13fa2787f2c6bca4863;hp=0000000000000000000000000000000000000000;hpb=1705066eceaaea976f010f669ce8e972f3734b05;p=CreaPhase.git

diff --git a/octave_packages/vrml-1.0.13/vrml_PointLight.m b/octave_packages/vrml-1.0.13/vrml_PointLight.m
new file mode 100644
index 0000000..c035ff9
--- /dev/null
+++ b/octave_packages/vrml-1.0.13/vrml_PointLight.m
@@ -0,0 +1,74 @@
+## 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/>.
+
+##  s = vrml_PointLight (...)   - Vrml PointLight node
+##  
+##  s is a string of the form :
+##  ------------------------------------------------------------------
+##  PointLight { 
+##    exposedField SFFloat ambientIntensity  0       ## [0,1]
+##    exposedField SFVec3f attenuation       1 0 0   ## [0,inf)
+##    exposedField SFColor color             1 1 1   ## [0,1]
+##    exposedField SFFloat intensity         1       ## [0,1]
+##    exposedField SFVec3f location          0 0 0   ## (-inf,inf)
+##    exposedField SFBool  on                TRUE 
+##    exposedField SFFloat radius            100     ## [0,inf)
+##  }
+##  ------------------------------------------------------------------
+##
+## Options :
+## All the fields of the node
+##
+## Example : s = vrml_PointLight ("location",[0 0 1]);
+##
+## See also : vrml_DirectionalLight
+
+function s = vrml_PointLight (varargin)
+
+if mod(nargin,2) != 0, print_usage; end
+h = struct (varargin{:});
+
+tpl = struct ("ambientIntensity", "%8.3f",\
+	      "intensity",        "%8.3f",\
+	      "radius",           "%8.3f",\
+	      "on",               "%s",\
+	      "attenuation",      "%8.3f %8.3f %8.3f",\
+	      "color",            "%8.3f %8.3f %8.3f",\
+	      "location",         "%8.3f %8.3f %8.3f");
+
+body = "";
+for [val,key] = h,
+
+    if strcmp (key, "DEF")
+      continue;
+    elseif !(isnumeric(val) && isnan (val))
+
+				# Check validity of field
+    if ! isfield (tpl, key)
+      error (sprintf ("vrml_PointLight : unknown field '%s'",key));
+    end
+
+
+    body = [body,\
+	    sprintf("   %-20s   %s\n",key, \
+		    sprintf (getfield (tpl,key), val))];
+  end
+end
+s = sprintf ("PointLight {\n%s}\n", body);
+if isfield (h,"DEF") && !isempty (h.DEF)
+  s = ["DEF ",h.DEF," ",s];
+end 
+endfunction
+