seatbelt test

=====================================================
===================Client.lua========================
=====================================================

local speedBuffer  = {}
local velBuffer    = {}
local beltOn       = false
local wasInCar     = false

IsCar = function(veh)
		    local vc = GetVehicleClass(veh)
		    return (vc >= 0 and vc <= 7) or (vc >= 9 and vc <= 12) or (vc >= 17 and vc <= 20)
        end

Fwv = function (entity)
		    local hr = GetEntityHeading(entity) + 90.0
		    if hr < 0.0 then hr = 360.0 + hr end
		    hr = hr * 0.0174533
		    return { x = math.cos(hr) * 2.0, y = math.sin(hr) * 2.0 }
      end

Citizen.CreateThread(function()
	Citizen.Wait(500)
	while true do

		local ped = GetPlayerPed(-1)
		local car = GetVehiclePedIsIn(ped)

		if car ~= 0 and (wasInCar or IsCar(car)) then

			wasInCar = true

			if beltOn then DisableControlAction(0, 75) end

			speedBuffer[2] = speedBuffer[1]
			speedBuffer[1] = GetEntitySpeed(car)

			if speedBuffer[2] ~= nil
			   and not beltOn
			   and GetEntitySpeedVector(car, true).y > 1.0
			   and speedBuffer[1] > Cfg.MinSpeed
			   and (speedBuffer[2] - speedBuffer[1]) > (speedBuffer[1] * Cfg.DiffTrigger) then

				local co = GetEntityCoords(ped)
				local fw = Fwv(ped)
				SetEntityCoords(ped, co.x + fw.x, co.y + fw.y, co.z - 0.47, true, true, true)
				SetEntityVelocity(ped, velBuffer[2].x, velBuffer[2].y, velBuffer[2].z)
				Citizen.Wait(1)
				SetPedToRagdoll(ped, 1000, 1000, 0, 0, 0, 0)
			end

			velBuffer[2] = velBuffer[1]
			velBuffer[1] = GetEntityVelocity(car)

			if IsControlJustReleased(0, 48) then -- z
				beltOn = not beltOn
				if beltOn then TriggerEvent('chatMessage', Cfg.Strings.belt_on)
				else TriggerEvent('chatMessage', Cfg.Strings.belt_off) end
			end

		elseif wasInCar then
			wasInCar = false
			beltOn = false
			speedBuffer[1], speedBuffer[2] = 0.0, 0.0
		end
		Citizen.Wait(0)
	end
end)

===========================================================
=======================Config.lua==========================
===========================================================

Cfg             = {}
Cfg.DiffTrigger = 0.255
Cfg.MinSpeed    = 19.25 --THIS IS IN m/s
Cfg.Strings     = { belt_on = 'Seatbelt ^5 buckled^0.', belt_off = 'Seatbelt ^1 unbuckled^0.' }