diff --git a/src/as/com/threerings/flash/DisplayUtil.as b/src/as/com/threerings/flash/DisplayUtil.as
index 32e3c181..0be02573 100644
--- a/src/as/com/threerings/flash/DisplayUtil.as
+++ b/src/as/com/threerings/flash/DisplayUtil.as
@@ -31,6 +31,15 @@ import flash.geom.Rectangle;
 
 public class DisplayUtil
 {
+    /**
+     * Transforms a point from one DisplayObject's coordinate space to another's.
+     */
+    public static function transformPoint (p :Point, fromDisp :DisplayObject, toDisp :DisplayObject)
+        :Point
+    {
+        return toDisp.globalToLocal(fromDisp.localToGlobal(p));
+    }
+
     /**
      * Adds newChild to container, directly below another child of the container.
      */