viewmodel for roblox

local RunService = game:GetService("RunService")

local viewModelsFolder = game.ReplicatedStorage.ViewModels

local camera = game.Workspace.CurrentCamera

local player = game.Players.LocalPlayer
local char = player.Character or player.CharacterAdded:Wait()

-------------- settings -----------------------

--are on the models, in the Configuration in the ViewModels folder (ReplicatedStorage)

local smooth = 50

local bobSpeed = 1.5
local bobDistance = .1
local bobWalkMulti = 3
local walkVeloThreshold = 9

local swaySpeed = 1.1
local swayDistance = .07
local swayWalkMulti = 2

-----------------------------------------------

local tool = nil
local viewModel = nil

local targetCFrame = CFrame.new()

function GetTargetCFrame()
	local bobPos
	local swayPos
	if char.PrimaryPart.AssemblyLinearVelocity.Magnitude >= walkVeloThreshold then
		bobPos = math.sin(tick() * (bobSpeed * bobWalkMulti)) * bobDistance
		swayPos = math.sin(tick() * (swaySpeed * swayWalkMulti)) * swayDistance
	else
		bobPos = math.sin(tick() * bobSpeed) * bobDistance
		swayPos = math.sin(tick() * swaySpeed) * swayDistance
	end

	return camera.CFrame * viewModel.Configuration:GetAttribute("Offset") + Vector3.new(0, bobPos, swayPos)
end

char.DescendantAdded:Connect(function(t)
	--checking for a tool to be added to the plr

	if t:IsA("Tool") and t ~= nil then

		tool = t
		viewModel = viewModelsFolder[tool.Name]:Clone()
		viewModel.Parent = camera
		viewModel.Name = viewModel.Name .. " viewmodel"
		--set the inital position for the viewmodel
		viewModel.PrimaryPart:PivotTo(GetTargetCFrame() * CFrame.new(0, -2, 0))

		for _, p in ipairs(t:GetDescendants()) do
			if p:IsA("BasePart") then
				p.LocalTransparencyModifier = 1

			elseif p:IsA("SurfaceLight") then
				p.Brightness = 0
			end
		end
	end
end)

char.DescendantRemoving:Connect(function(t)
	if t == tool then
		tool = nil
		viewModel:Destroy()
		viewModel = nil
	end
end)

RunService.RenderStepped:Connect(function(deltaTime)
	if viewModel then
		targetCFrame = GetTargetCFrame()

		viewModel.PrimaryPart.CFrame = viewModel.PrimaryPart.CFrame:Lerp(targetCFrame, deltaTime * smooth)
	end
end)