Add a game timerHEADmaster

This adds a delta time that ensures that everything moves at the same
speed regardless of framerate or system.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/train.h b/src/train.h
index c496db8..9e064df 100644
--- a/src/train.h
+++ b/src/train.h
@@ -10,7 +10,7 @@ public:
 	explicit Train(Level& level)
 		: m_level(level) { }
 
-	void update();
+	void update(float deltaTime);
 	void draw(Bitmap&, int, int);
 
 	void setPosition(int x, int y);