what would happen if we didn't round?

rhythmblock.lua

@@ -2,13 +2,9 @@ accentColor = colors.gray
 buttonColor = colors.lightGray
 backgroundColor = colors.black
 
-function round(n)
-    return n % 1 >= 0.5 and math.ceil(n) or math.floor(n)
-end
-
 width, height = term.getSize()
-centerWidth = round(width / 2)
-centerHeight = round(width / 2)
+centerWidth = width / 2
+centerHeight = width / 2
 peripherals = peripheral.getNames()
 playing = false
 if #peripherals < 0 then