From 754faecd02ef61e47c64a8fb044aa793662c049f Mon Sep 17 00:00:00 2001
From: Max Cahill <1bardesign@gmail.com>
Date: Fri, 24 Sep 2021 11:48:25 +1000
Subject: [PATCH] fixed pingpong backwards

---
 mathx.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mathx.lua b/mathx.lua
index 6c4ef46..4e63d59 100644
--- a/mathx.lua
+++ b/mathx.lua
@@ -92,7 +92,7 @@ end
 
 --pingpong from 0 to 1 and back again
 function mathx.pingpong(f)
-	return math.abs(f - 0.5) * 2
+	return 1 - math.abs(f - 0.5) * 2
 end
 
 --quadratic ease in