Sniper Zoom

local Players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local RunService = game:GetService("RunService")

local player = Players.LocalPlayer
local camera = workspace.CurrentCamera

local NORMAL_FOV = 70
local MIN_ZOOM_FOV = 10
local MAX_ZOOM_FOV = 40
local SCROLL_STEP = 3

local zoomEnabled = false
local currentZoomFOV = 25

camera.CameraType = Enum.CameraType.Custom

RunService.RenderStepped:Connect(function()
	if zoomEnabled then
		camera.FieldOfView = currentZoomFOV
	else
		camera.FieldOfView = NORMAL_FOV
	end
end)

UserInputService.InputBegan:Connect(function(input, gpe)
	if gpe then return end
	if input.UserInputType == Enum.UserInputType.MouseButton2 then
		zoomEnabled = not zoomEnabled
	end
end)

UserInputService.InputChanged:Connect(function(input, gpe)
	if gpe then return end
	if not zoomEnabled then return end
	if input.UserInputType == Enum.UserInputType.MouseWheel then
		if input.Position.Z > 0 then
			currentZoomFOV = math.clamp(currentZoomFOV - SCROLL_STEP, MIN_ZOOM_FOV, MAX_ZOOM_FOV)
		else
			currentZoomFOV = math.clamp(currentZoomFOV + SCROLL_STEP, MIN_ZOOM_FOV, MAX_ZOOM_FOV)
		end
	end
end)

player.CharacterAdded:Connect(function()
	zoomEnabled = false
	currentZoomFOV = 25
	camera.FieldOfView = NORMAL_FOV
	camera.CameraType = Enum.CameraType.Custom
end)