ulaR..

Private Declare Function GetTickCount Lib "kernel32" () As Long 'this function lets us not use timer'timers are bad :)
'main body... each part of the snake has X and YPrivate Type PartX As IntegerY As IntegerEnd Type
'Dynamic array to store part coordinatesDim Part() As Part
'Velocity in X and Y direction of the snakeDim vX As Integer, vY As IntegerDim i As Integer 'for loopsDim CS As Single 'cell size
Dim FX As Integer, FY As Integer 'food coordinatesDim X As Integer, Y As Integer
Dim bRunning As Boolean, died As Boolean
Private Sub Form_Load()Randomize 'random generation
'Initialize controls******************Picture1.BackColor = vbWhitePicture1.ScaleMode = 3 'pixels
CS = 20 'cell size in pixelsX = Int(Picture1.ScaleWidth / CS)Y = Int(Picture1.ScaleHeight / CS)
Picture1.AutoRedraw = TruePicture1.ScaleWidth = X * CSPicture1.ScaleHeight = Y * CS
Me.WindowState = 2Me.Show
DrawGrid Picture1, CS'*************************************
died = False'set up the gameReDim Part(0)Part(0).X = 0Part(0).Y = 0
FX = Int(Rnd * X)FY = Int(Rnd * Y)'go to main loopbRunning = TrueMainLoopEnd Sub
Sub MainLoop()Do While bRunning = True Update Draw WAIT (50) 'increasing this number makes game slowerLoop
Unload MeEnd Sub
Sub Update()'MOVE PARTSFor i = UBound(Part) To 1 Step -1 Part(i).X = Part(i - 1).X Part(i).Y = Part(i - 1).YNext i
'MOVE HEADPart(0).X = Part(0).X + vXPart(0).Y = Part(0).Y + vY
'HAS HE GONE OUT OF BOUNDS ?If Part(0).X <>= X Or Part(0).Y <>= Y Thendied = TrueEnd If
'HAS HE CRASHED INTO HIMSELF ?For i = 1 To UBound(Part)If Part(i).X = Part(0).X And Part(i).Y = Part(0).Y Thendied = TrueEnd IfNext i
'DID HE EAT FOOD ?If Part(0).X = FX And Part(0).Y = FY Then ReDim Preserve Part(UBound(Part) + 1) Part(UBound(Part)).X = -CS Part(UBound(Part)).Y = -CS FX = Int(Rnd * X) FY = Int(Rnd * Y) Form1.Caption = "Parts: " & UBound(Part)End If
'IS HE DEAD ?If died = True Then NewGameEnd Sub
Sub Draw() 'DRAW WHITENESS Rectangle 0, 0, X * CS, Y * CS, vbWhite 'DRAW SNAKE. PARTS IN BLUE, HEAD IN GREEN For i = 1 To UBound(Part) Rectangle Part(i).X * CS, Part(i).Y * CS, Part(i).X * CS + CS, Part(i).Y * CS + CS, vbBlue Next i Rectangle Part(0).X * CS, Part(0).Y * CS, Part(0).X * CS + CS, Part(0).Y * CS + CS, vbGreen 'DRAW FOOD Rectangle FX * CS, FY * CS, FX * CS + CS, FY * CS + CS, vbRed DrawGrid Picture1, CSEnd Sub
Sub Rectangle(X1 As Integer, Y1 As Integer, X2 As Integer, Y2 As Integer, color As Long) Picture1.Line (X1, Y1)-(X2, Y2), color, BFEnd Sub
Sub NewGame()'SET UP NEW GAMEdied = False
ReDim Part(0)Part(0).X = 0Part(0).Y = 0
vX = 0vY = 0
FX = Int(Rnd * X)FY = Int(Rnd * Y)End Sub
Sub DrawGrid(Pic As Control, CS As Single) '************************************************************************** 'DRAW GRID '************************************************************************** Dim i As Integer, Across As Single, Up As Single Across = Pic.ScaleWidth / CS Up = Pic.ScaleHeight / CS For i = 0 To Across Pic.Line (i * CS, 0)-(i * CS, Up * CS) Next i For i = 0 To Up Pic.Line (0, i * CS)-(Across * CS, i * CS) Next iEnd Sub
Sub WAIT(Tim As Integer) '************************************************************************** 'WAIT FUNCTION '************************************************************************** Dim LastWait As Long LastWait = GetTickCount Do While Tim > GetTickCount - LastWait DoEvents LoopEnd Sub
Private Sub Picture1_KeyDown(KeyCode As Integer, Shift As Integer)'USER KEYPRESSES HANDLED HERESelect Case KeyCodeCase vbKeyRightvX = 1vY = 0Case vbKeyLeftvX = -1vY = 0Case vbKeyUpvX = 0vY = -1Case vbKeyDownvX = 0vY = 1End SelectEnd Sub
Private Sub Picture1_KeyPress(KeyAscii As Integer)'27 is ESC. IF user presses ESC, QUITIf KeyAscii = 27 Then bRunning = FalseEnd Sub
Private Sub Form_Unload(Cancel As Integer)'This function can be left outEndEnd Sub

kaLendeR

Option ExplicitDim days As Long '<-Stores the number of days elapsed from 1/1/1900 to current month and yearDim i As Integer
Private Sub cmdGenerate_Click()On Error GoTo Error_handle 'On error, goto to end of functiondays = 0For i = 0 To 34 Label1(i).Caption = "" 'Clear all the labelsNext i
For i = 1900 To txtYear.Text - 1 If i Mod 4 = 0 Then 'If leap year then count 366 days days = days + 366 Else 'else 365 days days = days + 365 End IfNext i
For i = 1 To txtMonth.Text - 1 If i = 1 Or i = 3 Or i = 5 Or i = 7 Or i = 8 Or i = 10 Or i = 12 Then 'For January,March,May....,December count 31 days days = days + 31 ElseIf (i = 4 Or i = 6 Or i = 9 Or i = 11) Then 'For April,June,September,November count 30 days days = days + 30 ElseIf (i = 2 And txtYear.Text Mod 4 = 0) Then 'If month is February and year is leap year count 29 days days = days + 29 Else 'If month is February and year is not a leap year, count 28 days days = days + 28 End If Next i
If (i = 1 Or i = 3 Or i = 5 Or i = 7 Or i = 8 Or i = 10 Or i = 12) Then show_calender 31 'Show calender with 31 days ElseIf (i = 4 Or i = 6 Or i = 9 Or i = 11) Then show_calender 30 'Show calender with 30 days ElseIf (i = 2 And txtYear.Text Mod 4 = 0) Then show_calender 29 'Show calender with 29 days Else show_calender 28 'Show calender with 28 days End IfError_handle:End Sub
Private Function show_calender(n As Integer) '//<- n stores the number of days to displayDim i, k As Integerk = days Mod 7 'Divide days with 7, the remainder give the current dayFor i = 1 To n Label1(k).Caption = i 'Display the number in calender format k = k + 1 If k = 35 Then k = 0Next iEnd Function

cHapteR 3

Option Explicit

Private Hasil As Double
Private Const opNol = 0
Private Const opTambah = 1
Private Const opKurang = 2
Private Const opKali = 3
Private Const opBagi = 4
Private Operator As Integer
Private NilaiBaru As Boolean

' untuk menghapus karakter terakhir
Private Sub Hapus()
Dim txt As String
Dim min_len As Integer

txt = txtDisplay.Text
If Left$(txt, 1) = "-" Then
min_len =
2
Else
min_len =
1
End If


If Len(txt) > min_len Then
txtDisplay.Text = Left$(txt, Len(txt) - 1)
Else
txtDisplay.Text = "0"
End If
End Sub

' hapus angka, hasil terakhir dan operator

Private Sub cmdClear_Click()
cmdClearEntry_Click
Hasil = 0
Operator = opNol

End Sub

' hapus angka
Private Sub cmdClearEntry_Click()
txtDisplay.Text = ""
End Sub

' menambahkan koma (desimal)
Private Sub cmdKoma_Click()
If InStr(txtDisplay.Text, ".") Then
Beep
Else

If NilaiBaru Then
txtDisplay.Text = "."
"
NilaiBaru = False


Else
txtDisplay.Text = txtDisplay.Text & "."
End If
End If
End Sub

' Menghitung
Private Sub cmdSamaDengan_Click()
Dim HasilBaru As Double

If txtDisplay.Text = "" Then
HasilBaru = 0
Else

HasilBaru = CDbl(txtDisplay.Text)
End If
Select Case Operator


Case opNol
Hasil = HasilBaru
Case opTambah
Hasil = Hasil + HasilBaru
Case opKurang
Hasil = Hasil - HasilBaru
Case opKali


Hasil = Hasil * HasilBaru
Case opBagi
'Tidak bisa dibagi nol


If HasilBaru = 0 Then
MsgBox "Tidak bisa dibagi 0", vbOKOnly + vbCritical, "Kalku ERROR"
Call cmdClear_Click
Else
Hasil = Hasil / HasilBaru
End If

End Select
Operator = opNol
NilaiBaru = True
txtDisplay.Text = Format$(Hasil)


End Sub


' menuliskan angka
Private Sub cmdAngka_Click(Index As Integer)


If NilaiBaru Then
txtDisplay.Text = Format$(Index)
NilaiBaru = False


Else
txtDisplay.Text = _
txtDisplay.Text & Format$(Index)
End If
End Sub

' tombol tambah/kurang/bagi/kali
Private Sub cmdOperator_Click(Index As Integer)


cmdSamaDengan_Click

Operator = Index

NilaiBaru = True
End Sub

' merubah tanda +/-
Private Sub cmdPlusMinus_Click()
If NilaiBaru Then
txtDisplay.Text = "-"
ElseIf Left$(txtDisplay.Text, 1) = "-" Then
txtDisplay.Text = Right$(txtDisplay.Text, 2)
Else


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txtDisplay.Text = "-" & txtDisplay.Text
End If
End Sub

' filter untuk angka saja yg dapat diketikkan
Private Sub Form_KeyPress(KeyAscii As Integer)
txtDisplay_KeyPress KeyAscii
End Sub

Private Sub Form_KeyUp(KeyCode As Integer, Shift As Integer)
txtDisplay_KeyUp KeyCode, Shift
End Sub

' supaya kursor tetap di kanan
Private Sub txtDisplay_Change()
txtDisplay.SelStart = Len(txtDisplay.Text)
End Sub

Private Sub txtDisplay_GotFocus()
txtDisplay_Change
End Sub

' untuk mengetikkan angka di keyboard
Private Sub txtDisplay_KeyPress(KeyAscii As Integer)
Dim ch As String

ch = Chr$(KeyAscii)
Select Case ch
Case "0"
cmdAngka_Click
0
Case "1"
cmdAngka_Click
1
Case "2"
cmdAngka_Click
2
Case "3"
cmdAngka_Click
3
Case "4"
cmdAngka_Click
4
Case "5"
cmdAngka_Click
5
Case "6"
cmdAngka_Click
6
Case "7"
cmdAngka_Click
7
Case "8"
cmdAngka_Click
8
Case "9"
cmdAngka_Click
9
Case "*", "x", "X"
cmdOperator_Click opKali
Case "+"
"
cmdOperator_Click opTambah
Case vbCrLf, vbCr, "="
"

cmdSamaDengan_Click
Case "-"
"
cmdOperator_Click opKurang
Case "."
"
cmdKoma_Click
Case "/"
"
cmdOperator_Click opBagi
Case "C", "c"
cmdClearEntry_Click
End Select


KeyAscii = 0
End Sub

' untuk ketikan angka di numpad
Private Sub txtDisplay_KeyUp(KeyCode As Integer, Shift As Integer)
Select Case KeyCode
Case vbKeyNumpad0
cmdAngka_Click 0
Case vbKeyNumpad1
cmdAngka_Click 1
Case vbKeyNumpad2
cmdAngka_Click 2
Case vbKeyNumpad3
cmdAngka_Click 3
Case vbKeyNumpad4
cmdAngka_Click 4
Case vbKeyNumpad5
cmdAngka_Click 5
Case vbKeyNumpad6
cmdAngka_Click 6
Case vbKeyNumpad7
cmdAngka_Click 7
Case vbKeyNumpad8
cmdAngka_Click 8
Case vbKeyNumpad9
cmdAngka_Click 9
Case vbKeyMultiply
cmdOperator_Click opKali
Case vbKeyAdd
cmdOperator_Click opTambah
Case vbKeySeparator
cmdSamaDengan_Click
Case vbKeySubtract
cmdOperator_Click opKurang
Case vbKeyDivide
cmdOperator_Click opBagi
Case vbKeyDecimal
cmdKoma_Click
Case vbKeyBack, vbKeyDelete

Hapus

End Select

KeyCode = 0
End Sub


Private Sub Text1_Change()

End Sub