UIProgressBar

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

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

local isPinching = false
local isRotating = false
local startingWidth
local startingHeight
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.width = CoreMath.Round(startingWidth * pinchPercent)
        UI_OBJECT.height = CoreMath.Round(startingHeight * pinchPercent)
    end

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

        UI_OBJECT.rotationAngle = startingAngle + angle
    end
end

local function OnPinchStarted()
    isPinching = true
    startingWidth = UI_OBJECT.width
    startingHeight = UI_OBJECT.height
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 object.
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 object.
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)

-- Get the progress bar object that will show how much health the player has
local propUIProgressBar = script:GetCustomProperty("UIProgressBar"):WaitForObject()

-- Get the player that is connected to your computer
local player = Game.GetLocalPlayer()

-- Reset the fill of the progress bar to 100%
propUIProgressBar.progress = 1

function Tick(deltaTime)
    --====================================================================================================
    -- This section will calculate how full the progress bar should be based on the health of the player

    -- Get a percentage representing how much health the player currently has
    local healthPercent = player.hitPoints / player.maxHitPoints

    -- Update the fill of the progress bar
    propUIProgressBar.progress = healthPercent

    --=======================================================================================================
    -- This section will calculate the color of the progress bar

    -- The variable "value" is subtracted from 1 so that as "value" increases, the value of "RedChannel" decreases
    -- The opposite is also true, as "value" decreases, the value of "RedChannel" increases
    local RedChannel = 1 - healthPercent

    -- Calculate the amount of green the progress bar's fill color should have
    local GreenChannel = healthPercent

    -- Create a new color using "RedChannel" and "GreenChannel"
    -- This is the color that the fill of the progress bar will have
    local fillColor = Color.New(RedChannel, GreenChannel, 0)

    -- Update the fill color of the progress bar
    propUIProgressBar:SetFillColor(fillColor)
end

-- Get the progress bar object
local propUIProgressBar = script:GetCustomProperty("UIProgressBar"):WaitForObject()

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

-- This variable will store the last value stored in "secondCounter"
local lastSecondCounter = 0

-- Set the fill color of the progress bar to an orange color
propUIProgressBar:SetFillColor(Color.New(0.8, 0.34, 0))

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

    -- Calculate the progress of the progress bar
    -- This sine function will have a period of 2 seconds
    local value = (math.sin(secondCounter * math.pi))

    -- Update the progress of the progress bar
    propUIProgressBar.progress = value

    -- This if statement will only activate once each time "secondCounter" passes 0.5
    -- If the value of "secondCounter" just passed 0.5 then flip the progress bar's fill direction
    if(secondCounter > 0.5 and lastSecondCounter <= 0.5) then
        if(propUIProgressBar.fillType == ProgressBarFillType.LEFT_TO_RIGHT) then
            -- Flip the fill direction of the "propUIProgressBar"
            propUIProgressBar.fillType = ProgressBarFillType.RIGHT_TO_LEFT
        elseif(propUIProgressBar.fillType == ProgressBarFillType.RIGHT_TO_LEFT) then
            -- Flip the fill direction of the "propUIProgressBar"
            propUIProgressBar.fillType = ProgressBarFillType.LEFT_TO_RIGHT
        end
    end

    -- Once the "value" variable dips below 0, reset the "secondCounter" variable to 0
    if(value < 0) then
        secondCounter = 0
    end

    -- Update "lastSecondCounter" with the current value of "secondCounter"
    lastSecondCounter = secondCounter
end