Added Comments

Added ability to hold shift and skip the terrain generation when loading
Added ability for the perlin terrain to save a raw image of the terrain to use as a cache

Graphics2/SplitMeshNode.cpp

@@ -13,6 +13,7 @@ bool SplitMeshNode::Initialise()
 	}
 	else
 	{			
+		// Loop the meshes sub meshes to generate the scene graph tree
 		Add(AddMeshNode(_mesh->GetRootNode()));
 	}
 
@@ -40,6 +41,7 @@ void SplitMeshNode::Render(void)
 
 void SplitMeshNode::Shutdown(void)
 {	
+	// Release the mesh from the resource manager
 	_resourceManager->ReleaseMesh(_modelName);
 	SceneGraph::Shutdown();
 }