diff --git a/OpenRa.Game/Actor.cs b/OpenRa.Game/Actor.cs
index 0e0e54bcdc..04a26d767a 100644
--- a/OpenRa.Game/Actor.cs
+++ b/OpenRa.Game/Actor.cs
@@ -10,7 +10,7 @@ namespace OpenRa.Game
 {
 	abstract class Actor
 	{
-		public float2 renderLocation;
+		public abstract float2 RenderLocation { get; }
 		public int palette;
 		public abstract Sprite[] CurrentImages { get; }
 		public virtual void Tick(World world, double t) { }
diff --git a/OpenRa.Game/Building.cs b/OpenRa.Game/Building.cs
index 8c824359d8..adc81adefd 100644
--- a/OpenRa.Game/Building.cs
+++ b/OpenRa.Game/Building.cs
@@ -7,10 +7,11 @@ namespace OpenRa.Game
 	class Building : Actor
 	{
 		protected Animation animation;
+		protected int2 location;
 
 		public Building( string name, int2 location, int palette )
 		{
-			this.renderLocation = 24.0f * location.ToFloat2();
+			this.location = location;
 			this.palette = palette;
 
 			animation = new Animation( name );
@@ -26,5 +27,10 @@ namespace OpenRa.Game
 		{
 			get { return animation.Images; }
 		}
+
+		public override float2 RenderLocation
+		{
+			get { return 24.0f * location.ToFloat2(); }
+		}
 	}
 }
diff --git a/OpenRa.Game/Tree.cs b/OpenRa.Game/Tree.cs
index 1938d0efd5..6a4fef113c 100644
--- a/OpenRa.Game/Tree.cs
+++ b/OpenRa.Game/Tree.cs
@@ -8,14 +8,17 @@ namespace OpenRa.Game
 {
 	class Tree : Actor
 	{
+		int2 location;
+
 		public Tree(TreeReference r, TreeCache renderer, Map map)
 		{
-			renderLocation = 24 * (new float2(r.Location) - new float2(map.XOffset, map.YOffset));
+			location = new int2( r.Location ) - new int2( map.XOffset, map.YOffset );
 			currentImages = new Sprite[] { renderer.GetImage(r.Image) };
 		}
 
 		Sprite[] currentImages;
-
 		public override Sprite[] CurrentImages { get { return currentImages; } }
+
+		public override float2 RenderLocation { get { return 24 * location.ToFloat2(); } }
 	}
 }
diff --git a/OpenRa.Game/Unit.cs b/OpenRa.Game/Unit.cs
index ec26993094..db051ca093 100644
--- a/OpenRa.Game/Unit.cs
+++ b/OpenRa.Game/Unit.cs
@@ -20,8 +20,6 @@ namespace OpenRa.Game
 		{
 			fromCell = toCell = cell;
 			this.renderOffset = renderOffset;
-			// HACK: display the mcv centered in it's cell;
-			renderLocation = ( cell * 24 ).ToFloat2() - renderOffset;
 			this.palette = palette;
 		}
 
@@ -101,17 +99,6 @@ namespace OpenRa.Game
 						}
 					}
 				}
-
-				float2 location;
-				if( moveFraction > 0 )
-					location = 24 * float2.Lerp( fromCell.ToFloat2(), toCell.ToFloat2(),
-						(float)moveFraction / moveFractionTotal );
-				else
-					location = 24 * fromCell.ToFloat2();
-
-				renderLocation = location - renderOffset;
-
-				renderLocation = renderLocation.Round();
 			};
 		}
 
@@ -130,5 +117,16 @@ namespace OpenRa.Game
 		{
 			get { return toCell; }
 		}
+
+		public override float2 RenderLocation
+		{
+			get
+			{
+				float fraction = (moveFraction > 0) ? (float)moveFraction / moveFractionTotal : 0f;
+
+				float2 location = 24 * float2.Lerp( fromCell.ToFloat2(), toCell.ToFloat2(), fraction );
+				return ( location - renderOffset ).Round(); ;
+			}
+		}
 	}
 }
diff --git a/OpenRa.Game/World.cs b/OpenRa.Game/World.cs
index 3031f9ad8a..32873da0fc 100644
--- a/OpenRa.Game/World.cs
+++ b/OpenRa.Game/World.cs
@@ -13,13 +13,11 @@ namespace OpenRa.Game
 		List<Actor> actors = new List<Actor>();
 		List<Action<World>> frameEndActions = new List<Action<World>>();
 		SpriteRenderer spriteRenderer;
-		Renderer renderer;
 		Viewport viewport;
 		public ISelectable myUnit;
 
 		public World(Renderer renderer, Viewport viewport)
 		{
-			this.renderer = renderer;
 			this.viewport = viewport;
 			viewport.AddRegion(Region.Create(viewport, DockStyle.Left, viewport.Width - 128, Draw));
 			spriteRenderer = new SpriteRenderer(renderer, true);
@@ -44,15 +42,16 @@ namespace OpenRa.Game
 				a.Tick( this, dt );
 
 				Sprite[] images = a.CurrentImages;
+				float2 loc = a.RenderLocation;
 
-				if( a.renderLocation.X > range.End.X || a.renderLocation.X < range.Start.X - images[ 0 ].bounds.Width )
+				if( loc.X > range.End.X || loc.X < range.Start.X - images[ 0 ].bounds.Width )
 					continue;
 
-				if (a.renderLocation.Y > range.End.Y || a.renderLocation.Y < range.Start.Y - images[0].bounds.Height)
+				if( loc.Y > range.End.Y || loc.Y < range.Start.Y - images[ 0 ].bounds.Height )
 					continue;
 
 				foreach( Sprite image in images )
-					spriteRenderer.DrawSprite(image, a.renderLocation, a.palette);
+					spriteRenderer.DrawSprite(image, loc, a.palette);
 			}
 
 			foreach( Action<World> a in frameEndActions )