Roblox heal pad script

-- Heal pad: restores health to a character that touches the part.

local HEAL_AMOUNT = 25    -- health given each time
local COOLDOWN = 1        -- seconds between heals for the same character

local part = script.Parent
local recentlyHealed = {}

part.Touched:Connect(function(hit)
	local humanoid = hit.Parent and hit.Parent:FindFirstChildOfClass("Humanoid")
	if not humanoid or humanoid.Health <= 0 then
		return
	end
	if recentlyHealed[humanoid] then
		return
	end

	recentlyHealed[humanoid] = true
	humanoid.Health = math.min(humanoid.MaxHealth, humanoid.Health + HEAL_AMOUNT)
	task.wait(COOLDOWN)
	recentlyHealed[humanoid] = nil
end)