Sound speed changes depending on how fast an object is going

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#1

So, was making a mechanic for my game. But I needed some effect to it. Like a speed effect. But I didn’t know how to make it so that the pitch changes (on the title of this topic.) Any ideas are appreciated. Here’s the clip. It doesn’t look that realistic.

#2

you can make ur speed of ur sound to the velocity of your vehicle seat part

sounds.PlayBackSpeed = Part.AssemblyLinearVelocity.Magnitude
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#3

I didn’t hear anything. Also the script is a server script. Here’s part of the script.

	for waypoint = 1, #waypoints:GetChildren() do
		script.Parent.Sounds.Minecart.PlaybackSpeed = script.Parent.Sounds.AssemblyLinearVelocity.Magnitude
		local moveToWaypoint = tweenservice:Create(mover, tweeninfo, {CFrame = waypoints[waypoint].CFrame})
		moveToWaypoint:Play()
		moveToWaypoint.Completed:Wait()
	end
#4

are you checking a parts velocity or a sounds velocity because a sound is not a part with velocity. and make it in a loop in a seperate script

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#5

I’m checking a part’s velocity. I’m also using TweenService.

#6

Since you’re using tweening, it’s harder to make the script but I’ve created something that should work

local Old = Vector3.one

local Part = script.Parent
local Sound = Part:WaitForChild("Engine")
local SpeedMultiplier = 2 -- if speed is too low, make higher, vice versa for speed too high
local StartingSpeed = 1

local function GetPosition()
	return Part.CFrame.Position
end

while true do
	local New = GetPosition()
	local Dif = ((Old-New).Magnitude*SpeedMultiplier)+StartingSpeed

	
	game:GetService("TweenService"):Create(Sound, TweenInfo.new(.1), {PlaybackSpeed = StartingSpeed+Dif}):Play()
	Old = New
	task.wait(.1)
end

make sure this is a seperate script, just replace the variables with your sounds / parts

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#7

You can use Playbackspeed like precise suggests but I would also consider using ShiftPitchSoundEffect as well. It achieves a very similar effect but I think it might be worth considering for this use case. Playing something faster and changing the pitch are different things.

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#8

How can I make it so that when it reaches pitch 2, it doesn’t increase more than that?

1 Like
#9

You can use math.clamp.

local Old = Vector3.one

local Part = script.Parent
local Sound = Part:WaitForChild("Engine")
local SpeedMultiplier = .5 -- if speed is too low, make higher, vice versa for speed too high
local StartingSpeed = 1

local function GetPosition()
	return Part.CFrame.Position
end

while true do
	local New = GetPosition()
	local Dif = math.clamp( ((Old-New).Magnitude*SpeedMultiplier)+StartingSpeed, 0, 2)

	
	game:GetService("TweenService"):Create(Sound, TweenInfo.new(.1), {PlaybackSpeed = StartingSpeed+Dif}):Play()
	Old = New
	task.wait(.1)
end

on the dif line, the “2” is the max pitch. You can change this if you wanted

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#10

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