Need help with gliding physics not working as intended

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#1

So I have a function that controls the way the character glides.
It works mostly how I envisioned except there is one issue: The Y velocity can get reduced to 0 and the player will stop moving completely.

Here is the code:

local function startGliding()
	isGliding = true
	Humanoid.HipHeight = 0.001
	print(animationStartGliding,animationTrackStartGliding)
	animationTrackStartGliding:Play()
	Humanoid:SetStateEnabled(Enum.HumanoidStateType.FallingDown,false)
	Humanoid:SetStateEnabled(Enum.HumanoidStateType.Ragdoll,false)
	RunService.Stepped:Connect(function(time, delta)
		if(isGliding) then
			local cameraVector:Vector3 = camera.CFrame.LookVector
			local angle:Vector3 = cameraVector:Dot(Vector3.new(0,1,0))
			
			angle = workspace.CurrentCamera.CFrame.LookVector:Dot(Vector3.new(0,1,0))
			
			HRP.CFrame = HRP.CFrame:Lerp(CFrame.new(HRP.Position) * (camera.CFrame.Rotation), 0.02)
			HRP.AssemblyLinearVelocity = HRP.CFrame.LookVector * HRP.AssemblyLinearVelocity.magnitude
						
			animationTrackGliding:AdjustSpeed(HRP.AssemblyLinearVelocity.magnitude * 0.005)
		end
	end)
		
end

I’ve tried a lot of things and I just ended up doing something overcomplicated every time.
Let me know if you have any ideas what I’m missing. Here is the video:

#2

If someone didn’t quite understand what was wrong:
The character should always be moving, it’s not supposed to just stop in mid air regardless of where the player is looking