How to use animation easing styles when lerping

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#1

I want to know how to use EasingStyle when using Vector3:Lerp()

StartPosition:Lerp(EndPosition,Type(a/t,Interp))

Where Type() is this function

local function Type(linearAmount,Interp)
	if Interp == nil or Interp == "Linear" then
		return linearAmount
	elseif Interp == "Sin" then 
		return math.sin(linearAmount*math.pi/2)
	elseif Interp == "Sout" then
		return (math.asin(linearAmount)*2)/math.pi
	elseif Interp == "Sinout" then
		return (-math.cos(math.pi*linearAmount)+1)/2
	end
end

As you see I have made some math functions that interpolate for me, but I noticed my arm does not have any weight to it, but creating a function for the more complicated Easingstyles (bounce) would be impractical, not to mention all the in, out, and inout variants.
If you want to know why I can’t use tweens, here is the whole function

module.Linear.MoveEndBallToPoint = function(EndPosition,Speed,ClawPointPosition,Interp)
	if LinearConnection then LinearConnection:Disconnect() end
	local StartPosition = SmallBall.Position
	local t = (StartPosition-EndPosition).Magnitude/Speed
	local a = 0
	BreakEnd = false
	
	if typeof(ClawPointPosition) == "Vector3" then
		ClawPointPosition = CFrame.new(ClawPointPosition)
	end
	
	LinearConnection = RS.Heartbeat:Connect(function(dt)
		a += dt
		if a>t then a = t end
		Instant(GetAnglesToPosition(StartPosition:Lerp(EndPosition,Type(a/t,Interp)),3),3)

		if ClawPointPosition then
			JointTable[4].C0 = GetJointAnglesToPointPointerAtTarget(JointTable[4],ClawPointPosition,EndPartTable[4])
		end
		
		if a == t then LinearConnection:Disconnect() end
		if BreakEnd then LinearConnection:Disconnect() end
	end)
end

(I need to run Instant(GetAnglesToPosition()) every frame)
Is there any way to do this? Or am I stuck with making math functions.

#2

Used Prexxo’s Lerp API

#3

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