Doublejump

local UIS = game:GetService("UserInputService")
local Humanoid = script.Parent:WaitForChild("Humanoid")

local db = true
local CanDoubleJump, DoubleJumped = false, false

local function JumpRequest()
    if db then
        db = false

        if CanDoubleJump and not DoubleJumped then
            DoubleJumped = true
            Humanoid:ChangeState(Enum.HumanoidStateType.Jumping)
        end


        task.wait(.2)
        db = true
    end
end

UIS.JumpRequest:Connect(JumpRequest)

local function StateChanged(_, new)
    if new == Enum.HumanoidStateType.Landed then
        CanDoubleJump = false
        DoubleJumped = false
    elseif new == Enum.HumanoidStateType.Freefall and not DoubleJumped then
        CanDoubleJump = true
        DoubleJumped = false
    end

end

Humanoid.StateChanged:Connect(StateChanged)




--usar em --local-- script ou ver o video