From 8ac48f6169465c8550e75bbd0757d0c34115e658 Mon Sep 17 00:00:00 2001
From: ywang <yw05@forksworld.de>
Date: Sun, 12 Jan 2020 17:40:22 +0100
Subject: Fix bug with Point Speed Restriction Rail

---
 advtrains/trainlogic.lua | 1 +
 1 file changed, 1 insertion(+)

(limited to 'advtrains/trainlogic.lua')

diff --git a/advtrains/trainlogic.lua b/advtrains/trainlogic.lua
index 5c52ad4..1b90464 100644
--- a/advtrains/trainlogic.lua
+++ b/advtrains/trainlogic.lua
@@ -459,6 +459,7 @@ function advtrains.train_step_b(id, train, dtime)
 	if a == 0 then s = v1*dtime
 	else
 		s = (v1*v1 - v0*v0)/2/a
+		s = math.max(s, 0)
 		local acctime = (v1-v0)/a
 		if acctime < dtime then s = s + v1*(dtime - acctime) end
 	end
-- 
cgit v1.2.3