Custom Chat (Local)

local Player = game:GetService("Players").LocalPlayer
local Module

local CreateChatModule = function(Part)
    local this = {Current = nil}

    local BillboardGui = Instance.new("BillboardGui")
    BillboardGui.Adornee = Part
    BillboardGui.Size = UDim2.new(20, 0, 2, 0)
    BillboardGui.SizeOffset = Vector2.new(0, 1)
    BillboardGui.StudsOffset = Vector3.new(0, 1, 0)
    BillboardGui.Parent = Part

    local Frame = Instance.new("Frame", BillboardGui)
    Frame.BackgroundTransparency = 1
    Frame.Size = UDim2.new(1, 0, 1, 0)

    local Container = Instance.new("Frame")
    Container.Name = "Container"
    Container.BackgroundTransparency = 1
    Container.Size = UDim2.new(1, 0, 1, 0)
    Container.ClipsDescendants = true

    local Message = Instance.new("TextLabel", Container)
    Message.Name = "Message"
    Message.BackgroundColor3 = Color3.new()
    Message.BackgroundTransparency = 0.5
    Message.Size = UDim2.new(1, 0, 1, 0)
    Message.Position = UDim2.new(0, 0, 1, 0)
    Message.Font = Enum.Font.SourceSans
    Message.TextScaled = true

    BillboardGui.Parent = Part

    function this:RemoveChat()
        local Frame = self.Current
        if Frame and Frame:IsDescendantOf(workspace) then
            Frame.Message:TweenPosition(
                UDim2.new(0, 0, -1, 0),
                Enum.EasingDirection.Out,
                Enum.EasingStyle.Sine, 0.5, true
            )
            game.Debris:AddItem(Frame, 0.5)
            self.Current = nil
        end
    end

    function this:AddChat(Text)
        self:RemoveChat()
        local Frame = Container:Clone()
        Frame.Size = UDim2.new(1, 0, #Text > 120 and 1 or 0.5, 0)
        local Message = Frame.Message
        Frame.Name = "Container"
        Frame.Parent = BillboardGui.Frame
        Message.Text = Text
        Frame.Visible = true
        Message:TweenPosition(
            UDim2.new(),
            Enum.EasingDirection.In,
            Enum.EasingStyle.Sine, 0.5, true
        )
        self.Current = Frame
        delay(5, function()
            if self.Current == Frame then
                self:RemoveChat()
            end
        end)
        spawn(function()
            local t = tick()
            while self.Current == Frame do
                wait()
                local currentTime = 5*tick()
                Message.TextColor3 = Color3.new(
                    math.sin(currentTime + math.pi),
                    math.sin(currentTime + math.pi/2),
                    math.sin(currentTime)
                )
            end
        end)
    end
    return this
end

local CharacterAdded = function(Character)
    local Head = Character:WaitForChild("Head")
    Module = CreateChatModule(Head)
end

if Player.Character then
    CharacterAdded(Player.Character)
end

Player.CharacterAdded:connect(CharacterAdded)

Player.Chatted:connect(function(Message)
    if Player.Character and Player.Character:FindFirstChild("Head") then
        Module:AddChat(Message)
    end
end)