Remove name attribute in Node class

Seems kind of redundant to have both an id and a name attribute.

fd/Graph.lua

@@ -55,9 +55,9 @@ function Graph.new()
         for _, node in pairs( table.nodes ) do
             local rx, ry = math.random( x, w ), math.random( y, h );
             if type( node ) == 'string' then
-                self:addNode( node, nil, rx, ry );
+                self:addNode( node, rx, ry );
             elseif type( node ) == 'table' then
-                self:addNode( node.id, node.name, node.x or rx, node.y or ry, node.anchor );
+                self:addNode( node.id, node.x or rx, node.y or ry, node.anchor );
             end
         end
 
@@ -72,9 +72,9 @@ function Graph.new()
     -- @param x - The x-coordinate at which to place the new node.
     -- @param y - The y-coordinate at which to place the new node.
     --
-    function self:addNode( id, name, x, y, anchor )
+    function self:addNode( id, x, y, anchor )
         assert( not nodes[id], "Node IDs must be unique." );
-        nodes[id] = Node.new( id, name, x, y, anchor );
+        nodes[id] = Node.new( id, x, y, anchor );
         return nodes[id];
     end
 

fd/Node.lua

@@ -12,10 +12,9 @@ local DEFAULT_MASS = 0.05;
 ---
 -- @param id - A unique id which will be used to reference this node.
 --
-function Node.new( id, name, x, y, anchor )
+function Node.new( id, x, y, anchor )
     local self = {};
 
-    local name = name or id;
     local px, py = x or 0, y or 0;
     local ax, ay = 0, 0;
     local vx, vy = 0, 0;
@@ -80,10 +79,6 @@ function Node.new( id, name, x, y, anchor )
         return id;
     end
 
-    function self:getName()
-        return name;
-    end
-
     function self:getX()
         return px;
     end