From a879ce8d3c179b5c6b88c9db610d560228d1e5b4 Mon Sep 17 00:00:00 2001
From: orwell96 <mono96.mml@gmail.com>
Date: Thu, 9 Jun 2016 17:35:06 +0200
Subject: Fix train collision and coupling on opposing trains, and try to
 implement animation (currently does not work)

---
 helpers.lua | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'helpers.lua')

diff --git a/helpers.lua b/helpers.lua
index 737d15b..cd67aa9 100644
--- a/helpers.lua
+++ b/helpers.lua
@@ -219,4 +219,7 @@ function advtrains.get_real_index_position(path, index)
 end
 function advtrains.pos_median(pos1, pos2)
 	return {x=pos1.x-(pos1.x-pos2.x)*0.5, y=pos1.y-(pos1.y-pos2.y)*0.5, z=pos1.z-(pos1.z-pos2.z)*0.5}
+end
+function advtrains.abs_ceil(i)
+	return math.ceil(math.abs(i))*math.sign(i)
 end
\ No newline at end of file
-- 
cgit v1.2.3