From: Jason Woofenden <jason@jasonwoof.com>
Date: Mon, 13 Dec 2004 19:55:41 +0000 (+0000)
Subject: added a little prediction and monentum to the scrolling
X-Git-Tag: 0.1~38
X-Git-Url: https://jasonwoof.com/gitweb/?p=vor.git;a=commitdiff_plain;h=cf30b5f20e3c6fa5c6a328f6cb9ad1559cf227a2;hp=fac9f096e69b8e1594a90796ec8dcf222fc1b6e3

added a little prediction and monentum to the scrolling
---

diff --git a/main.c b/main.c
index 489c352..03d173c 100644
--- a/main.c
+++ b/main.c
@@ -134,6 +134,7 @@ float xvel,yvel;	// Change in X position per tick.
 float rockrate,rockspeed;
 float movementrate;
 float yscroll;
+float scrollvel;
 
 int nships,score,initticks,ticks_since_last, last_ticks;
 int gameover;
@@ -1093,7 +1094,10 @@ int gameloop() {
 
 			// SCROLLING
 			yscroll = yship - (YSIZE / 2);
-			yscroll /= -15;
+			yscroll += yvel * 25;
+			yscroll /= -25;
+			yscroll = ((scrollvel * (12 - movementrate)) + (yscroll * movementrate)) / 12;
+			scrollvel = yscroll;
 			yscroll = yscroll*movementrate;
 			yship += yscroll;