fixed bug in 3d picking; ag.pickObjects() working now

git-svn-id: svn://anubis/anaglym/trunk@255 99a6e188-d820-4881-8870-2d33a10e2619

tests/managed_objects.lua

@@ -60,6 +60,11 @@ end
 
 function mousebutton_down_event(button, x, y)
     if (button == 1) then
-        ag.pickObjects(x, y)
+        objects = ag.pickObjects(x, y)
+        if (objects ~= nil) then
+            for id, obj in ipairs(objects) do
+                obj:setColor(0, 0, 1)
+            end
+        end
     end
 end