Why is this script causing everything to break?

Help and Feedback Scripting Support
#1

As many of you are familiar, with the roblox jeep. Many haven’t gotten these errors. Right now, the “RayCastModule” Script isn’t working for some reason. What it does is either doesn’t move the car, or flings the car. This has been the biggest bug for the cars. I did try adding a few waits to the script but just made it stop working.

Here is the script.

local module = {}

function module.new(startPosition, startDirection)
	local maxDistance = startDirection.magnitude
	local direction = startDirection.unit
	local lastPosition = startPosition
	local distance = 0
	local ignore = {}

	local hit, position, normal

	repeat
		local ray = Ray.new(lastPosition, direction * (maxDistance - distance))
		hit, position, normal = game.Workspace:FindPartOnRayWithIgnoreList(ray, ignore, false, true)
		if hit then
			if not hit.CanCollide then
				table.insert(ignore, hit)
			end
		end
		distance = (startPosition - position).magnitude
		lastPosition = position
		task.wait(0.5)
	until distance >= maxDistance - 0.1 or (hit and hit.CanCollide)
	return hit, position, normal
end

return module
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#2

Can you show me the script that is requiring the module script?

#3 
--Scripted by DermonDarble

local car = script.Parent
local stats = car.Configurations
local Raycast = require(script.RaycastModule)

local mass = 0

for i, v in pairs(car:GetChildren()) do
	if v:IsA("BasePart") then
		mass = mass + (v:GetMass() * 196.2)
	end
end

local bodyPosition = car.Chassis.BodyPosition
local bodyGyro = car.Chassis.BodyGyro

--local bodyPosition = Instance.new("BodyPosition", car.Chassis)
--bodyPosition.MaxForce = Vector3.new()
--local bodyGyro = Instance.new("BodyGyro", car.Chassis)
--bodyGyro.MaxTorque = Vector3.new()

local function UpdateThruster(thruster)
	-- Raycasting
	local hit, position = Raycast.new(thruster.Position, thruster.CFrame:vectorToWorldSpace(Vector3.new(0, -1, 0)) * stats.Height.Value) --game.Workspace:FindPartOnRay(ray, car)
	local thrusterHeight = (position - thruster.Position).magnitude
	
	-- Wheel
	local wheelWeld = thruster:FindFirstChild("WheelWeld")
	wheelWeld.C0 = CFrame.new(0, -math.min(thrusterHeight, stats.Height.Value * 0.8) + (wheelWeld.Part1.Size.Y / 2), 0)
	-- Wheel turning
	local offset = car.Chassis.CFrame:inverse() * thruster.CFrame
	local speed = car.Chassis.CFrame:vectorToObjectSpace(car.Chassis.Velocity)
	if offset.Z < 0 then
	local direction = 1
	if speed.Z > 0 then
	direction = -1
		end
	wheelWeld.C0 = wheelWeld.C0 * CFrame.Angles(0, (car.Chassis.RotVelocity.Y / 2) * direction, 0)
	end
	
	-- Particles
	if hit and thruster.Velocity.magnitude >= 5 then
		wheelWeld.Part1.ParticleEmitter.Enabled = true
	else
		wheelWeld.Part1.ParticleEmitter.Enabled = false
	end
end

car.DriveSeat.Changed:connect(function(property)
	if property == "Occupant" then
		if car.DriveSeat.Occupant then
			car.EngineBlock.Running.Pitch = 1
			car.EngineBlock.Running:Play()
			local player = game.Players:GetPlayerFromCharacter(car.DriveSeat.Occupant.Parent)
			if player then
			car.DriveSeat:SetNetworkOwner(player)
			local localCarScript = script.LocalCarScript:Clone()
			localCarScript.Parent = player.PlayerGui
				localCarScript.Car.Value = car
				localCarScript.Disabled = false
			end
		else
			car.EngineBlock.Running:Stop()
		end
	end
end)

--spawn(function()
	while true do
		game:GetService("RunService").Stepped:wait()
		for i, part in pairs(car:GetChildren()) do
			if part.Name == "Thruster" then
				UpdateThruster(part)
			end
		end
		if car.DriveSeat.Occupant then
			local ratio = car.DriveSeat.Velocity.magnitude / stats.Speed.Value
			car.EngineBlock.Running.Pitch = 1 + ratio / 4
			bodyPosition.MaxForce = Vector3.new()
			bodyGyro.MaxTorque = Vector3.new()
		else
			local hit, position, normal = Raycast.new(car.Chassis.Position, car.Chassis.CFrame:vectorToWorldSpace(Vector3.new(0, -1, 0)) * stats.Height.Value)
			if hit and hit.CanCollide then
				bodyPosition.MaxForce = Vector3.new(mass / 5, math.huge, mass / 5)
				bodyPosition.Position = (CFrame.new(position, position + normal) * CFrame.new(0, 0, -stats.Height.Value + 0.5)).p
				bodyGyro.MaxTorque = Vector3.new(math.huge, 0, math.huge)
				bodyGyro.CFrame = CFrame.new(position, position + normal) * CFrame.Angles(-math.pi/2, 0, 0)
			else
				bodyPosition.MaxForce = Vector3.new()
				bodyGyro.MaxTorque = Vector3.new()
			end
		end
	end
--end)```
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