From 35868a4360b90360309a97e71a06b4cd344c9729 Mon Sep 17 00:00:00 2001
From: Robert Machmer <robert.machmer@gmail.com>
Date: Thu, 24 Dec 2015 03:24:57 +0100
Subject: [PATCH] Add getter which returns a node based on a given id

---
 fd/Graph.lua | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fd/Graph.lua b/fd/Graph.lua
index 193d6da..74368fc 100644
--- a/fd/Graph.lua
+++ b/fd/Graph.lua
@@ -173,6 +173,13 @@ function Graph.new()
         func( edges, nodes );
     end
 
+    ---
+    -- Returns the node the id is pointing to.
+    -- param id - The id to check for.
+    function self:getNode( id )
+        return nodes[id];
+    end
+
     ---
     -- Gets a node at a certain point in the graph.
     -- @param x - The x coordinate to check.