UIText

-- Client Script as a child of the UI Text.
local UI_OBJECT = script.parent

-- Make the UI Control hittable
UI_OBJECT.isHittable = true

local isPinching = false
local isRotating = false
local startingSize
local startingAngle

function Tick()
    -- Position
    local touch1 = Input.GetTouchPosition(1)
    local touch2 = Input.GetTouchPosition(2)

    if touch1 ~= nil and touch2 ~= nil then
        local position = (touch1 + touch2) / 2

        UI_OBJECT:SetAbsolutePosition(position)
    end

    -- Scale
    if isPinching then
        local pinchPercent = Input.GetPinchValue()

        UI_OBJECT.fontSize = CoreMath.Round(startingSize * pinchPercent)
    end

    -- Rotate
    if isRotating then
        local angle = Input.GetRotateValue()

        UI_OBJECT.rotationAngle = startingAngle + angle
    end
end

local function OnPinchStarted()
    isPinching = true
    startingSize = UI_OBJECT.fontSize
end

local function OnPinchStopped()
    isPinching = false
end

-- Detect pinch gesture start/end
UI_OBJECT.pinchStartedEvent:Connect(OnPinchStarted)
UI_OBJECT.pinchStoppedEvent:Connect(OnPinchStopped)

local function OnRotateStarted()
    isRotating = true
    startingAngle = UI_OBJECT.rotationAngle
end

local function OnRotateStopped()
    isRotating = false
end

-- Detect rotation gesture start/end
UI_OBJECT.rotateStartedEvent:Connect(OnRotateStarted)
UI_OBJECT.rotateStoppedEvent:Connect(OnRotateStopped)

-- Client Script as a child of the UI Text.
local UI_OBJECT = script.parent

-- Make the UI Control hittable
UI_OBJECT.isHittable = true

function OnTappedEvent(control, location, touchIndex)
    UI.PrintToScreen("Tap ".. touchIndex ..": ".. tostring(location))
end

function OnFlickedEvent(control, angle)
    UI.PrintToScreen("Flick: " .. angle)
end

UI_OBJECT.tappedEvent:Connect(OnTappedEvent)
UI_OBJECT.flickedEvent:Connect(OnFlickedEvent)

-- Client Script as a child of the UI Text.
local UI_OBJECT = script.parent

-- Make the UI Control hittable
UI_OBJECT.isHittable = true

local touchCount = 0
local activeTouches = {}

function PrintTouchInfo()
    local str = touchCount .. ": ["
    local addComma = false

    for id,_ in pairs(activeTouches) do
        if addComma then
            str = str .. ", "
        end

        addComma = true
        str = str .. id
    end

    str = str .. "]"

    UI.PrintToScreen(str)
end

local function OnTouchStarted(control, location, touchId)
    touchCount = touchCount + 1
    activeTouches[touchId] = true

    PrintTouchInfo()
end

local function OnTouchStopped(control, location, touchId)
    touchCount = touchCount - 1
    activeTouches[touchId] = nil

    PrintTouchInfo()
end

UI_OBJECT.touchStartedEvent:Connect(OnTouchStarted)
UI_OBJECT.touchStoppedEvent:Connect(OnTouchStopped)

-- Client script.
-- The image is a fixed size.
local UI_IMAGE = script:GetCustomProperty("Image"):WaitForObject()

-- The text is set to not wrap, a child of the image, centered,
-- and inherit parent width.
local UI_TEXT = script:GetCustomProperty("Text"):WaitForObject()

-- Amount of space on the left and right of the text.
local padding = 100

-- Cache the starting width that will be used later.
local minWidth = UI_IMAGE.width

-- Array of messages to pick from at random.
local messages = {

    "Lorem ipsum dolor sit amet.",
    "Lorem ipsum.",
    "Lorem ipsum dolor sit amet, consectetur adipiscing elit.",
    "Lorem ipsum dolor sit amet, consectetur."

}

-- Get the approx text size of the UI_TEXT.
function GetTextSize()
    local size = UI_TEXT:ComputeApproximateSize()

    -- The size could be nil for a couple of frames,
    -- so you will need to wait for the component to
    -- be initialized.
    while size == nil do
        Task.Wait()
        size = UI_TEXT:ComputeApproximateSize()
    end

    return size
end

-- Spawn a task to repeat every 3 seconds and display
-- a random message.
local randomMsgTask = Task.Spawn(function()

    -- The UI_TEXT object needs the text property set
    -- first before getting the size.
    UI_TEXT.text = messages[math.random(#messages)]

    -- The width of the image is set based on the size
    -- of the text. The minimum width of the image will
    -- not go below minWidth value.
    UI_IMAGE.width = math.max(minWidth, GetTextSize().x + padding)
end)

randomMsgTask.repeatCount = -1
randomMsgTask.repeatInterval = 3

-- Grab the text object
local propUIText = script:GetCustomProperty("UIText"):WaitForObject()

-- Slightly offset the text's shadow so that you can see the shadow
propUIText:SetShadowOffset(Vector2.New(20, 20))

-- This variable will store the number of seconds that have passed
local secondCounter = 0

-- Give the shadow a black color
local shadowBlackColor = Color.BLACK

-- This color will not be visible because the alpha value is 0
local shadowInvisibleColor = Color.New(0, 1, 0, 0)

function Tick(deltaTime)
    -- Update the "secondCounter" to keep track of the number of seconds that have passed
    secondCounter = secondCounter + deltaTime

    -- Once 1 second has passed, toggle the visibility of the shadow
    Task.Wait(1)

    -- If the current color of the text shadow is black, make the shadow invisible using "shadowInvisibleColor"
    if(propUIText:GetShadowColor() == shadowBlackColor) then
        -- Set the color of the text shadow to black
        propUIText:SetShadowColor(shadowInvisibleColor)
    -- If the current color of the text shadow is invisible, make the shadow visible using "shadowBlackColor"
    elseif (propUIText:GetShadowColor() == shadowInvisibleColor) then
        -- Set the color of the text shadow to an invisible color
        propUIText:SetShadowColor(shadowBlackColor)
    end
end

-- Grab the text object
local propUIText = script:GetCustomProperty("UIText"):WaitForObject()

-- Change the outline color of the text to green
propUIText:SetOutlineColor(Color.GREEN)

-- This variable will store the number of seconds that have passed since the start of the game
local timePassed = 0

-- This variable will store the current size of the text outline
local textOutlineSize = 0

-- This variable determines how large the text outline will be
local outlineScale = 5

-- Determines how often the text outline changes size
-- The current value will change the size 2 times per second
local frequency = 2 * (2 * math.pi)

function Tick(deltaTime)
    -- Update the "timePassed" to keep track of the number of seconds that have passed
    timePassed = timePassed + deltaTime

    -- The "timePassed" variable will be passed into a sine wave function to smoothly change the text outline size
    -- This sine wave function will have a frequency of 2 hertz, and an amplitude of 5 units
    textOutlineSize = (math.sin(timePassed * frequency) * outlineScale) + outlineScale

    -- the "floor" function is used to convert "textOutlineSize" from a number with decimals (known as a "floating point number")
    -- to a number without a decimal point (known as an "integer")
    textOutlineSize = math.floor(textOutlineSize)

    -- Update the outline size of the text
    propUIText.outlineSize = textOutlineSize
end

-- Grab the text object
local propUIText = script:GetCustomProperty("UIText"):WaitForObject()

-- This variable will store the number of seconds that have passed since the start of this script
local timePassed = 0

function Tick(deltaTime)
    -- Update the "timePassed" to keep track of the number of seconds that have passed
    timePassed = timePassed + deltaTime

    -- Convert the "timePassed" variable into a string format
    -- the "floor" function was used to remove the extra decimal points from the "timePassed" number
    local timePassedString = tostring(math.floor(timePassed))

    -- Update the UI text object to display the number of seconds that have passed
    propUIText.text = timePassedString
end