CanvasHandler

local gui = script.Parent


local canvas = gui.Canvas


local brushButton = gui.Brush

local eraserButton = gui.Eraser


local clearButtton = gui.ClearCanvas


local brushSize = gui.BrushSizeInput

local sizeConfirm = gui.ConfirmBrushSize

local size = 10


local brushColour = gui.BrushColourInput

local colourConfirm = gui.ConfirmBrushColour

local colour = Color3.fromRGB(0, 0, 0)


local isEraser = false


local paint = game.ReplicatedStorage.Paint


local plr = game.Players.LocalPlayer

local mouse = plr:GetMouse()


local isMouseDown = false



canvas.MouseMoved:Connect(function(xPos, yPos)


    if isMouseDown then


        if isEraser == false then

            local paintCloned = paint:Clone()


            local offset = Vector2.new(math.abs(xPos - canvas.AbsolutePosition.X), math.abs(yPos - canvas.AbsolutePosition.Y - 36))


            paintCloned.Size = UDim2.new(0, size, 0, size)
            paintCloned.Position = UDim2.new(0, offset.X, 0, offset.Y)

            paintCloned.ImageColor3 = colour

            paintCloned.Parent = canvas


        else

            local guisAtPos = plr.PlayerGui:GetGuiObjectsAtPosition(xPos, yPos - 36)


            for i, paintToErase in pairs(guisAtPos) do


                if paintToErase.Name == "Paint" then paintToErase:Destroy() end

            end
        end
    end
end)


game:GetService("UserInputService").InputBegan:Connect(function(input)

    if input.UserInputType == Enum.UserInputType.MouseButton1 then


        isMouseDown = true
    end
end)


game:GetService("UserInputService").InputEnded:Connect(function(input)

    if input.UserInputType == Enum.UserInputType.MouseButton1 then


        isMouseDown = false
    end
end)


eraserButton.MouseButton1Down:Connect(function()


    isEraser = true
end)


brushButton.MouseButton1Down:Connect(function()


    isEraser = false
end)


clearButtton.MouseButton1Down:Connect(function()



    for i, paintToClear in pairs(canvas:GetChildren()) do


        paintToClear:Destroy()
    end
end)



sizeConfirm.MouseButton1Down:Connect(function()


    if not tonumber(brushSize.Text) then return end


    size = math.clamp(tonumber(brushSize.Text), 1, 100)

end)


colourConfirm.MouseButton1Down:Connect(function()


    local hexColour = brushColour.Text


    if string.len(hexColour) < 6 then return end


    hexColour = string.gsub(hexColour, "#", "")
    hexColour = string.gsub(hexColour, "0x", "", 1)

    local r = tonumber("0x" .. hexColour:sub(1, 2))
    local g = tonumber("0x" .. hexColour:sub(3, 4))
    local b = tonumber("0x" .. hexColour:sub(5, 6))


    colour = Color3.fromRGB(r, g, b)
end)