open source new fixed

local Players = game:GetService("Players")
local Virtual_Input_Manager = game:GetService("VirtualInputManager")

local Player = Players.LocalPlayer or Players.PlayerAdded:Wait()
local Balls = workspace:WaitForChild("Part")

local function Verify_Ball(Ball)
    if typeof(Ball) == "Instance" and Ball:IsA("MeshPart") then
        return true
    end
    return false
end

local function Is_Target()
    if Player.Character then
        local Highlight = Player.Character:FindFirstChild("Highlight")
        if Highlight then
            return Highlight.FillTransparency ~= 1
        end
    end
    return false
end

local function Parry()
    Virtual_Input_Manager:SendKeyEvent(true, Enum.KeyCode.F, false, game)
    Virtual_Input_Manager:SendKeyEvent(false, Enum.KeyCode.F, false, game)
end

local function Start(Ball)
    if Verify_Ball(Ball) then
        local Old_Position = Ball.Position
        local Old_Tick = tick()

        Ball:GetPropertyChangedSignal("Position"):Connect(function()
            if Is_Target() then
                local Distance = (Ball.Position - workspace.CurrentCamera.Focus.Position).Magnitude
                local Velocity = (Old_Position - Ball.Position).Magnitude

                if (Distance / Velocity) <= 10 then
                    Parry()
                end
            end

            if (tick() - Old_Tick >= 1/60) then
                Old_Tick = tick()
                Old_Position = Ball.Position
            end
        end)
    end
end

Start(Balls)

workspace.ChildAdded:Connect(function(Ball)
    if Ball.ClassName == "MeshPart" and Ball.Name == "Part" and Ball.Parent == workspace then
        Start(Ball)
    end
end)