--- a/src/proto2/Physics.hh	Mon Nov 24 15:18:55 2008 +0000
+++ b/src/proto2/Physics.hh	Mon Nov 24 17:14:29 2008 +0000
@@ -77,11 +77,28 @@
 	 */
     PhysicsObject (PhysicsWorld &world, float mass, Vector position, Vector velocity);
     
+    /**
+     * Used to handle in-air movement
+     */    
     virtual void applyForce (Force force, TimeMS dt);
+
+    /**
+     * Called on network clients to sync state from server
+     */
     void updatePhysics (Vector position, Vector velocity);
-	Vector moveVertically (bool right);
+
+    /**
+     * Handle ground movement
+     *
+     * @return new position
+     */
+	Vector walk (bool right);
+
+    /**
+     * Handle ground-jumping
+     */
 	void jump (void);
-    
+
 private:
     void updatePosition (void);
 	bool possibleLocation (Vector loc);