Finding current direction VehicleSeat is travelling

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#1

Basically, I’m trying to figure out if a VehicleSeat is traveling backward or forward, without using the VehicleSeat’s Throttle property.
This is because the Throttle can be -1 even if the car is slowing down from moving forward. I want to know if it’s moving forward, even if the Throttle is -1, and vice-versa.
Is there a way to do this?

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#2

You could probably just use the VehicleSeat’s part properties.
Maybe something like this:

local seat = -- vehicle seat here

local function GetMoveDirection()
	local direction = math.sign((seat.CFrame:Inverse() * seat.Velocity).Z)
	print(direction)
	return direction
end
#3

This works, until you turn the vehicle around, and the direction flips

#4

That’s what seat.CFrame:Inverse() is supposed to account for, it makes sure that the Velocity from the seat is always local to the seat instead of global.

#5

That might be, but it still flips

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#6

I think I figured out what’s wrong, try using this function instead:

local function GetMoveDirection()
	local direction = -math.sign((seat.CFrame.Rotation:Inverse() * seat.Velocity).Z)
	print(direction)
	return direction
end

Keep in mind that since the velocity is very sensitive, it might not ever touch 0 unless you round there. I made a different function just for that:

local function GetMoveDirection()
	local direction = -(seat.CFrame.Rotation:Inverse() * seat.Velocity).Z
	direction = math.abs(direction) <= 0.001 and 0 or math.sign(direction)
	print(direction)
	return direction
end
7 Likes
#7

Works absolutely great, thanks!

1 Like