How can I detect how fast a player is moving

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#1

Hello, I am trying to detect how fast the player is moving then translate that to a footstep sound playback speed.
So what I mean is if the player is moving lets say 4 or very slow play the sound at 0.4 how can I achieve this?

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#2

You can try to measure the velocity of the player’s feet.

local MAX_VOLUME = 1
local footVelocity = foot:GetVelocityAtPosition(foot.Position)
local volume = math.min(footVelocity.Magnitude / 10, maxVolume)
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#3

im using r6 so would I use the players leg instead of their foot?

#4

Actually it works thanks alot!

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#5 
while wait() do
local MAX_VOLUME = 1
local footVelocity = game.Players.LocalPlayer.Character.HumanoidRootPart:GetVelocityAtPosition(game.Players.LocalPlayer.Character.HumanoidRootPart.Position)
local volume = math.min(footVelocity.Magnitude / 10, MAX_VOLUME)

print(tostring(volume))
end
#6

Yes, you can get the velocity at the bottom of the player’s leg.

local footVelocity = foot:GetVelocityAtPosition(
	leg.CFrame:PointToWorldSpace(
		Vector3.new(0, -leg.Size.Y / 2, 0)
	)
)
#7

wait one question. how can I return the value of volume and use inside another script I try to do this.

local volume = nil

while wait() do
local MAX_VOLUME = 1
local footVelocity = game.Players.LocalPlayer.Character.HumanoidRootPart:GetVelocityAtPosition(game.Players.LocalPlayer.Character.HumanoidRootPart.Position)
local volume = math.min(footVelocity.Magnitude / 10, MAX_VOLUME)

return volume
end

but it just says volume is nil

#8

Can’t you read the ‘Volume’ property from your Sound object?

#9

what do you mean by read? No I can not use it in another function it will just return an error.

#10

This code will not work, cause you need to do something with the volume instead of returning it. Try setting your sound object’s Volume property to volume sound.Volume = volume. Then you can just read that volume in other scripts (local volume = sound.Volume).

#11

what if I make a new local variable outside. Set that new variable = to volume then return the new variable?

#12

Yeah nvm it works I made a new variable set it to volume then returned it

#13

thanks to @Brickman808
Yep so I got it all working I just used this:

local movementSpeedMultiplier = nil


spawn(function()
	movementController.runService.RenderStepped:Connect(function()
		wait()
		local MAX_VOLUME = 1
		local footVelocity = game.Players.LocalPlayer.Character.HumanoidRootPart:GetVelocityAtPosition(game.Players.LocalPlayer.Character.HumanoidRootPart.Position)
		local volume = math.min(footVelocity.Magnitude / 10, MAX_VOLUME)
		
		movementSpeedMultiplier = volume
		
		return movementSpeedMultiplier
	end)
end)
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