1 files changed, 7 insertions, 0 deletions

diff --git a/js/lib/rdge/materials/material.js b/js/lib/rdge/materials/material.js
index a81ca18f..bc4c8e6b 100755
--- a/js/lib/rdge/materials/material.js
+++ b/js/lib/rdge/materials/material.js
@@ -257,6 +257,13 @@ var Material = function GLMaterial( world ) {
                 return tex;
         };
 
+        this.updateTextures = function()
+        {
+                // this function is called whenever a world that generates textuers for
+                // the current world changes in some way.  Sub-classes with textures
+                // should override this function.
+        }
+
         this.export = function() {
                 // this function should be overridden by subclasses
                 var exportStr = "material: " + this.getShaderName() + "\n" + "endMaterial\n";