evb 龜兔賽跑

Option Explicit
Const intGoalPosition = 3000
Const intImageHeight = 615
Dim intRabbitPosition, intTurtlePosition, intDragonPosition As Integer
Dim blnStartFlag As Boolean
Dim intStep As Integer
Dim strRabbitImg(2), strTurtleImg(2), strDragonImg(2) As String
Dim strPath As String
Private Sub Form_Load()
Randomize
strPath = App.Path
If strPath = "\" Then
    strPath = ""
End If
InitData
End Sub

Private Sub InitData()
blnStartFlag = False
intStep = 1
 
tmrGame.Enabled = False
   
imgGoal.Picture = strPath & "\goal.bmp"
strRabbitImg(1) = "\rabbit1.bmp"
strRabbitImg(2) = "\rabbit2.bmp"
strTurtleImg(1) = "\turtl1.bmp"
strTurtleImg(2) = "\turtl2.bmp"
strDragonImg(1) = "\dragon1.bmp"
strDragonImg(2) = "\dragon2.bmp"

imgRabbit.Picture = strPath & strRabbitImg(1)
imgTurtle.Picture = strPath & strTurtleImg(1)
imgDragon.Picture = strPath & strDragonImg(1)

imgRabbit.Move imgRabbit.Left, 0
imgTurtle.Move imgTurtle.Left, 0
imgDragon.Move imgDragon.Left, 0
lblResult.Caption = ""
End Sub

Private Sub cmdGo_Click()
If cmdGo.Caption = "GO!" Then

cmdGo.Enabled = False
cmdGo.Caption = "Clear"
blnStartFlag = True
tmrGame.Enabled = True

ElseIf cmdGo.Caption = "Clear" Then
InitData
cmdGo.Caption = "GO!"
End If


End Sub

Private Sub Form_OKClick()
    App.End
End Sub


Private Sub tmrGame_Timer()

If blnStartFlag Then
   
   
    'Int( (要產生亂數的上界 - 下界 + 1) * Rnd + 下界)
    'Int( (200 – 10 + 1) * Rnd + 10) = Int(191 * Rnd +10)
    imgRabbit.Move imgRabbit.Left, imgRabbit.Top + Int(191 * Rnd + 10)
    imgTurtle.Move imgTurtle.Left, imgTurtle.Top + Int(191 * Rnd + 10)
    imgDragon.Move imgDragon.Left, imgDragon.Top + Int(191 * Rnd + 10)
      
    If intStep = 1 Then
    imgRabbit.Picture = strPath & strRabbitImg(1)
    imgTurtle.Picture = strPath & strTurtleImg(1)
    imgDragon.Picture = strPath & strDragonImg(1)
   
        intStep = 2
    ElseIf intStep = 2 Then
    imgRabbit.Picture = strPath & strRabbitImg(2)
    imgTurtle.Picture = strPath & strTurtleImg(2)
    imgDragon.Picture = strPath & strDragonImg(2)
   
   
        intStep = 1
    End If
End If
intRabbitPosition = imgRabbit.Top + intImageHeight
intTurtlePosition = imgTurtle.Top + intImageHeight
intDragonPosition = imgDragon.Top + intImageHeight
If (intRabbitPosition > intTurtlePosition) And (intRabbitPosition > intDragonPosition) Then
    If intRabbitPosition >= intGoalPosition Then
        lblResult.Caption = " 兔子獲勝！"
        blnStartFlag = False
        tmrGame.Enabled = False
        cmdGo.Enabled = True
    End If
    
End If
If (intDragonPosition > intRabbitPosition) And (intDragonPosition > intTurtlePosition) Then
    If intDragonPosition >= intGoalPosition Then
        lblResult.Caption = " 土龍獲勝！"
        blnStartFlag = False
        tmrGame.Enabled = False
        cmdGo.Enabled = True
    End If
    
End If
If (intTurtlePosition > intRabbitPosition) And (intTurtlePosition > intDragonPosition) Then
    If intTurtlePosition >= intGoalPosition Then
        lblResult.Caption = " 烏龜獲勝！"
        blnStartFlag = False
        tmrGame.Enabled = False
        cmdGo.Enabled = True
    End If
    
End If

End Sub

Private Sub lblResult_Click()
    MsgBox "by 李永隆,2001", vbOKOnly + vbInformation, "About"

End Sub