Sub Process_Globals
' Declare global variables here
Dim CarX As Float = 0 ' Initial x-position of the car
Dim CarSpeed As Float = 5 ' Speed of the car in pixels per frame
Dim CarIsMovingRight As Boolean = True ' Flag to indicate the car's direction
Dim CarWidth As Float = 50 ' Width of the car in pixels
Dim ScreenWidth As Int ' Width of the screen in pixels
Dim ScreenHeight As Int ' Height of the screen in pixels
Dim CarSound As MediaPlayer ' MediaPlayer object for playing a sound
End Sub
Sub Globals
' Declare UI objects here
Dim Canvas1 As Canvas
End Sub
Sub Activity_Create(FirstTime As Boolean)
' Initialize global variables and UI objects here
ScreenWidth = Activity.Width
ScreenHeight = Activity.Height
Canvas1.Initialize(Activity)
Activity.AddView(Canvas1, 0, 0, ScreenWidth, ScreenHeight)
' Load and prepare the car sound
CarSound.Initialize(2, 100, False)
CarSound.Load(File.DirAssets, "car_crash.mp3")
End Sub
Sub Activity_Resume
' Start the animation loop
Draw
End Sub
Sub Draw
' This event is called every time the canvas needs to be redrawn
Dim CarColor As Int = Colors.Blue ' Color of the car
Dim CrashColor As Int = Colors.Red ' Color of the screen during a crash
' Update the car position
If CarIsMovingRight Then
CarX = CarX + CarSpeed
Else
CarX = CarX - CarSpeed
End If
' Check if the car has hit the screen limit
If CarX + CarWidth >= ScreenWidth Then
' The car has hit the right edge of the screen
CarIsMovingRight = False ' Change direction
CarX = ScreenWidth - CarWidth ' Make sure the car is not outside the screen
CarSound.Play ' Play a sound
Canvas.DrawColor(CrashColor) ' Turn the screen red
Sleep(1000) ' Wait for 1 second
Canvas.DrawColor(Colors.Transparent) ' Clear the screen
ElseIf CarX <= 0 Then
' The car has hit the left edge of the screen
CarIsMovingRight = True ' Change direction
CarX = 0 ' Make sure the car is not outside the screen
End If
' Draw the car
Canvas.DrawRect(CarColor, CarX, 100, CarWidth, 100, True, True)
' Schedule the next frame
Canvas1.Invalidate
Sleep(100)
Draw ' This will call the Draw event again
End Sub