Making a combat game with ranged weapons? FastCast may be the module for you!

[thienbao2109 (wawa)]

This would help you.

coroutine.resume(coroutine.create(function()
    while wait() do
        ...
    end
end))

Caster.LengthChanged:Connect(OnRayUpdated)
Caster.RayHit:Connect(OnRayHit)