Loads and loads of small improvements I added while developing on my game

Legacy/Window/IGLWindow2D.cs

@@ -0,0 +1,14 @@
+using OpenTK;
+using SM.Base;
+using SM2D.Controls;
+using SM2D.Scene;
+
+namespace SM2D
+{
+    public interface IGLWindow2D : IGenericWindow<Scene.Scene, Camera>
+    {
+        Vector2? Scaling { get; set; }
+
+        Mouse2D Mouse { get; }
+    }
+}