From 8184a392eba1d82002e2e7f5f1899b6cdd136037 Mon Sep 17 00:00:00 2001
From: Misa <infoteddyatgitgud@cock.li>
Date: Wed, 29 Apr 2020 15:28:06 -0700
Subject: [PATCH] Interpolate tower background

Ok, now THIS takes the cake for "only really noticeable in slowmode",
because it only ever moves at 1 pixel per second. And even then,
slowmode shouldn't apply on the title screen, so it won't even show up
there once I get around to doing that change.
---
 desktop_version/src/Graphics.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/desktop_version/src/Graphics.cpp b/desktop_version/src/Graphics.cpp
index 6b600202..811b64af 100644
--- a/desktop_version/src/Graphics.cpp
+++ b/desktop_version/src/Graphics.cpp
@@ -2349,7 +2349,9 @@ void Graphics::drawtowerspikes()
 
 void Graphics::drawtowerbackground()
 {
-    SDL_BlitSurface(towerbuffer,NULL, backBuffer,NULL);
+    SDL_BlitSurface(towerbuffer, NULL, towerbuffer_lerp, NULL);
+    ScrollSurface(towerbuffer_lerp, 0, lerp(0, -map.bscroll));
+    SDL_BlitSurface(towerbuffer_lerp,NULL, backBuffer,NULL);
 }
 
 void Graphics::updatetowerbackground()