--- libgender/entity.h	2004/11/06 01:10:11	1.33
+++ libgender/entity.h	2005/01/06 02:15:17	1.34
@@ -185,6 +185,14 @@
   ~entity ();
 };
 
+struct entity_moveable : entity
+{
+  vec3 v;
+  entity_moveable (geometry *g = 0) : entity (g) { }
+
+  void perform_step (double t);
+};
+
 struct entity_light : entity
 {
   light *lview;