add transform class, some code tweaks

ExampleApp/Src/MapGenerator.cs

@@ -78,6 +78,7 @@ namespace Example
 
         void OnUpdate(float ts)
         {
+            /*
             Mat4 transform  = GetTransform();
             Vec3 translation = transform.Translation;
             translation.Y += ts * speed;
@@ -91,6 +92,7 @@ namespace Example
             transform.Translation = translation;    
             
             SetTransform(transform);
+        */
         }