From 7b78311c1dc5fb001236ddccf73c6f1c0c004164 Mon Sep 17 00:00:00 2001
From: Jason Bou-Samra <154414066+bou-samra@users.noreply.github.com>
Date: Sun, 20 Oct 2024 19:03:21 +1100
Subject: [PATCH] Update research.c

---
 src/research.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/research.c b/src/research.c
index 86bae22..90f31d7 100644
--- a/src/research.c
+++ b/src/research.c
@@ -13,6 +13,7 @@
 #include "column.h"
 #include "sdl.h"
 #include "hiscore.h"
+#include "backdrop.h"
 
 #define DEBUG 0
 
@@ -283,4 +284,10 @@ int clear_mat(void) {
 			grid[1][i][j] = 0;
 		}
 	}
+	if (!(total % 50)) {			// increment backdrop every 50 drops
+		colour = colour + 10;
+		if (colour >= 69) {colour = 0;}
+				backdrop(colour);
+	}
+
 }