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

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Max Cahill 2023-11-23 16:16:15 +11:00
parent 6fa0b31455
commit 1b396037a2
1 changed files with 5 additions and 0 deletions
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mathx.lua
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@ -95,6 +95,11 @@ end
--easing curves --easing curves
--(generally only "safe" for 0-1 range, see mathx.clamp01) --(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 --classic smoothstep
function mathx.smoothstep(f) function mathx.smoothstep(f)
return f * f * (3 - 2 * f) return f * f * (3 - 2 * f)