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

2024-11-21 21:54:35 +00:00 · 2023-11-23 16:16:15 +11:00 · 2023-11-23 16:16:15 +11:00 · 1b396037a2
commit 1b396037a2
parent 6fa0b31455
1 changed files with 5 additions and 0 deletions
--- 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)