Drag Frame LocalScript

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--Tutorial by BloxianCode
local UIS = game:GetService("UserInputService")

local draggableFrame = script.Parent

local IsDragging = false    --checks if the player is dragging the frame
local dragInput             --input variable which we will use later
local StartingPoint
local oldPos                --Old position from the frame

local function update(input)
    local delta = input.Position - StartingPoint
    draggableFrame.Position = UDim2.new(oldPos.X.Scale, oldPos.X.Offset + delta.X, oldPos.Y.Scale, oldPos.Y.Offset + delta.Y)
end

draggableFrame.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 then
        IsDragging = true
        StartingPoint = input.Position
        oldPos = draggableFrame.Position

        input.Changed:Connect(function()
            if input.UserInputState == Enum.UserInputState.End then
                IsDragging = false
            end
        end)
    end
end)

draggableFrame.InputChanged:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseMovement then
        dragInput = input
    end
end)

UIS.InputChanged:Connect(function(input)
    if input == dragInput and IsDragging then
        update(input)
    end
end)