added mathx.identity for use as a default easing function without a b…

…ranch
1bardesign · Nov 23, 2023 · 1b39603 · 1b39603
1 parent 6fa0b31
commit 1b39603
Showing 1 changed file with 5 additions and 0 deletions.
diff --git 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)