From 1b396037a2fbc43c110ba31d1fc9db876931ea0e Mon Sep 17 00:00:00 2001
From: Max Cahill <1bardesign@gmail.com>
Date: Thu, 23 Nov 2023 16:16:15 +1100
Subject: [PATCH] added mathx.identity for use as a default easing function
 without a branch

---
 mathx.lua | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mathx.lua b/mathx.lua
index 9346bd5..1f3a51d 100644
--- a/mathx.lua
+++ b/mathx.lua
@@ -95,6 +95,11 @@ end
 --easing curves
 --(generally only "safe" for 0-1 range, see mathx.clamp01)
 
+--no curve - can be used as a default to avoid needing a branch
+function mathx.identity(f)
+	return f
+end
+
 --classic smoothstep
 function mathx.smoothstep(f)
 	return f * f * (3 - 2 * f)