Blood Overlay Script

--[[Hi everyone this is Kash talking,
I have updated the script to a more reliable version.
Please note that the video you have watched is old and outdated.

If you need help with any of my scripts please join my discord server:
https://discord.gg/6HYgCk22eD
You can delete this entire comment
--]]

--Script
local plr = game.Players.LocalPlayer
local character = plr.Character or plr.CharacterAdded:Wait()
local humanoid = character:WaitForChild("Humanoid")
local bloodOverlay = script.Parent

function update(newHealth)
    bloodOverlay.ImageTransparency = newHealth / 100
end)

update()

humanoid.HealthChanged:Connect(update)