diff --git a/encompass-cs/RenderManager.cs b/encompass-cs/RenderManager.cs
index fcf376a..0ee0ac0 100644
--- a/encompass-cs/RenderManager.cs
+++ b/encompass-cs/RenderManager.cs
@@ -17,11 +17,11 @@ namespace Encompass
             renderers.Add(renderer);
         }
 
-        public void Draw()
+        public void Draw(double dt, double alpha)
         {
             foreach (var renderer in renderers)
             {
-                renderer.Render();
+                renderer.Render(dt, alpha);
             }
         }
     }
diff --git a/encompass-cs/Renderer.cs b/encompass-cs/Renderer.cs
index e13d654..2ebf732 100644
--- a/encompass-cs/Renderer.cs
+++ b/encompass-cs/Renderer.cs
@@ -18,7 +18,7 @@ namespace Encompass
             _componentManager = componentManager;
         }
 
-        public abstract void Render();
+        public abstract void Render(double dt, double alpha);
 
         protected ReadOnlySpan<Entity> ReadEntities<TComponent>() where TComponent : struct
         {
diff --git a/encompass-cs/UberRenderer.cs b/encompass-cs/UberRenderer.cs
index 63b999c..a0a6b62 100644
--- a/encompass-cs/UberRenderer.cs
+++ b/encompass-cs/UberRenderer.cs
@@ -20,7 +20,7 @@ namespace Encompass
         }
 
         // can't reflect invoke on Span returns...
-        public override void Render()
+        public override void Render(double dt, double alpha)
         {
             foreach (var type in _componentTypes)
             {
diff --git a/encompass-cs/World.cs b/encompass-cs/World.cs
index b0b181b..efd84ad 100644
--- a/encompass-cs/World.cs
+++ b/encompass-cs/World.cs
@@ -69,9 +69,9 @@ namespace Encompass
         /// <summary>
         /// Causes the Renderers to draw.
         /// </summary>
-        public void Draw()
+        public void Draw(double dt, double alpha)
         {
-            _renderManager.Draw();
+            _renderManager.Draw(dt, alpha);
         }
     }
 }
diff --git a/encompass-cs/WorldBuilder.cs b/encompass-cs/WorldBuilder.cs
index 1a6055c..777b66c 100644
--- a/encompass-cs/WorldBuilder.cs
+++ b/encompass-cs/WorldBuilder.cs
@@ -474,7 +474,7 @@ namespace Encompass
             dummyComponentManager.WriteComponents();
 
             uberRenderer.SetEntity(uberEngine.Entity);
-            uberRenderer.Render();
+            uberRenderer.Render(1, 0);
         }
     }
 }