From 33d362afbc8bb1e216e405177680255cbd44256b Mon Sep 17 00:00:00 2001
From: Dane Johnson <dane_johnson@ymail.com>
Date: Wed, 21 Apr 2021 15:06:03 -0500
Subject: [PATCH] Add some documentation to World

---
 core/World.cpp | 21 +++++++++++++++++++++
 core/World.h   | 36 ++++++++++++++++++++++++++++++++++++
 core/couch.cpp |  1 +
 3 files changed, 58 insertions(+)

diff --git a/core/World.cpp b/core/World.cpp
index 4ff2fea..cac4579 100644
--- a/core/World.cpp
+++ b/core/World.cpp
@@ -1,3 +1,24 @@
+/*
+  Dane Johnson <dane@danejohnson.org>
+ 
+  LICENSE
+ 
+  Couch  Copyright (C) 2021 Dane Johnson
+
+  This program comes with ABSOLUTELY NO WARRANTY; without event the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU General Public License for details at
+  https://www.gnu.org/licenses/gpl-3.0.html
+  
+  This is free software, and you are welcome to redistribute it
+  under the terms of the GNU General Public License as published
+  by the Free Software Foundation; either version 3 of the License,
+  or (at your option) any later version.
+ 
+  DESCRIPTION
+ 
+  The physics world
+*/
 #include "World.h"
 
 World* World::GetWorld() {
diff --git a/core/World.h b/core/World.h
index 772020b..8c709a5 100644
--- a/core/World.h
+++ b/core/World.h
@@ -1,3 +1,25 @@
+/**
+   @file
+   @author Dane Johnson <dane@danejohnson.org>
+ 
+   @section LICENSE
+ 
+   Couch  Copyright (C) 2021 Dane Johnson
+
+   This program comes with ABSOLUTELY NO WARRANTY; without event the
+   implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+   See the GNU General Public License for details at
+   https://www.gnu.org/licenses/gpl-3.0.html
+  
+   This is free software, and you are welcome to redistribute it
+   under the terms of the GNU General Public License as published
+   by the Free Software Foundation; either version 3 of the License,
+   or (at your option) any later version.
+ 
+   @section DESCRIPTION
+ 
+   The physics world
+*/
 #ifndef WORLD_H
 #define WORLD_H
 
@@ -5,10 +27,24 @@
 
 #include "Rigidbody.h"
 
+/**
+   World is the object that performs the rigidbody physics simulation. Presently there is only one world.
+*/
 class World {
 public:
+  /**
+     @returns the World singleton
+  */
   static World* GetWorld();
+  /**
+     Add a rigidbody to the physics simulation
+     @param rigidbody the rigidbody to add
+  */
   void AddRigidbody(Rigidbody *rigidbody);
+  /**
+     Advance the physics simulation
+     @param delta the time that has passed since the last physics update
+  */
   void Step(float delta);
 private:
   static World* world;
diff --git a/core/couch.cpp b/core/couch.cpp
index 1a410ed..639aa3c 100644
--- a/core/couch.cpp
+++ b/core/couch.cpp
@@ -80,6 +80,7 @@ int main() {
   Lua *lua = new Lua();
   lua->Initialize();
 
+
   double lastTime = glfwGetTime();
   double delta = 0.0;