diff --git a/stepmania/src/ActorScroller.cpp b/stepmania/src/ActorScroller.cpp
index ac274c6b66..4eeff1a9e9 100644
--- a/stepmania/src/ActorScroller.cpp
+++ b/stepmania/src/ActorScroller.cpp
@@ -68,9 +68,7 @@ void ActorScroller::Load2(
 
 	ScrollThroughAllItems();
 
-	m_quadMask.SetWidth( fItemWidth );
-	m_quadMask.SetHeight( fItemHeight );
-	m_quadMask.SetHidden( false );
+	EnableMask( fItemWidth, fItemHeight );
 }
 
 void ActorScroller::Load3(
@@ -93,6 +91,18 @@ void ActorScroller::Load3(
 	m_iNumItems = m_SubActors.size();
 }
 
+void ActorScroller::EnableMask( float fWidth, float fHeight )
+{
+	m_quadMask.SetHidden( false );
+	m_quadMask.SetWidth( fWidth );
+	m_quadMask.SetHeight( fHeight );
+}
+
+void ActorScroller::DisableMask( float fWidth, float fHeight )
+{
+	m_quadMask.SetHidden( true );
+}
+
 void ActorScroller::ScrollThroughAllItems()
 {
 	m_fCurrentItem = m_bLoop ? +m_fNumItemsToDraw/2.0f : -(m_fNumItemsToDraw/2.0f)-1;
diff --git a/stepmania/src/ActorScroller.h b/stepmania/src/ActorScroller.h
index fac6428238..c4a6e2d658 100644
--- a/stepmania/src/ActorScroller.h
+++ b/stepmania/src/ActorScroller.h
@@ -30,6 +30,9 @@ public:
 		bool bUseMask,
 		bool bLoop );
 
+	void EnableMask( float fWidth, float fHeight );
+	void DisableMask( float fWidth, float fHeight );
+
 	virtual void UpdateInternal( float fDelta );
 	virtual void DrawPrimitives();	// handles drawing and doesn't call ActorFrame::DrawPrimitives