diff --git a/extra/processing/processing.factor b/extra/processing/processing.factor
index 02a8325663..0f21634dc8 100644
--- a/extra/processing/processing.factor
+++ b/extra/processing/processing.factor
@@ -8,7 +8,7 @@ USING: kernel namespaces threads combinators sequences arrays
        combinators
        combinators.lib
        combinators.cleave
-       rewrite-closures fry accessors
+       rewrite-closures fry accessors newfx
        processing.color
        processing.gadget ;
        
@@ -28,6 +28,12 @@ IN: processing
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
+: at-fraction ( seq fraction -- val ) over length 1- * nth-at ;
+
+: at-fraction-of ( fraction seq -- val ) swap at-fraction ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
 VAR: fill-color
 VAR: stroke-color
 
@@ -282,7 +288,7 @@ VAR: frame-rate-value
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
-VAR: slate
+! VAR: slate
 
 VAR: loop-flag