Help with ego mooses spring?

Help and Feedback Scripting Support
#1

Following ego moose’s tutorial on springs I tried making one, it works somewhat but does not oscillate(meaning goes over the target point to go back and reach it) and I don’t know why I even copied his code word for word.

here’s my code:

local script;

local part = workspace.FreePart;

local mouse = game.Players.LocalPlayer:GetMouse();
mouse.TargetFilter = part;

local springModule = require(script:WaitForChild("spring"));
local spring = springModule.new(part.CFrame.p, Vector3.new(), mouse.Hit.p);

spring.k = 0.05;
spring.friciton = .1;

game:GetService("RunService").RenderStepped:Connect(function()
	spring.target = mouse.Hit.p;
	spring:Update();
	part.CFrame = CFrame.new(spring.position);
end);

module script;

local spring = {};

function spring.new(position, velocity, target)
	local self = setmetatable({}, {__index = spring});
	
	self.position = position
	self.velocity = velocity
	self.target = target
	self.k = 1;
	self.friction = 1;
	
	return self;
end;

function spring:Update()
	local d = (self.target - self.position);
	local f = d * self.k;
	self.velocity = (self.velocity * (1 - self.friction)) + f;
	self.position = self.position + self.velocity;
end;

return spring;
#2

to

spring.friction = .1;
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