diff --git a/lib/utils/easing.lua b/lib/utils/easing.lua
index 5d3092a..28544f3 100644
--- a/lib/utils/easing.lua
+++ b/lib/utils/easing.lua
@@ -4,6 +4,11 @@
 
 local easing = {}
 
+--- @type ease
+function easing.linear(x)
+    return x
+end
+
 --- @type ease
 function easing.easeInSine(x)
     return 1 - math.cos((x * math.pi) / 2);