pertama buat form seperti gambar di bawah ini
lalu tilis kan code berikut pada kode form nya nya
Dim N1 As Integer
Dim N2 As Integer
Dim A1 As Integer
Dim A2 As Integer
Dim jarak1 As Long
Dim jarak2 As Long
Dim maju As Boolean
Private Sub Command1_Click()
If Command1.Caption = "MULAI" Then
Command1.Caption = "BERHENTI"
Timer1.Enabled = True 'true bisa bermakna jalan timer
Else
Command1.Caption = "MULAI"
Timer1.Enabled = False 'false bisa bermakna stop atau hentikan timer
End If
End Sub
Private Sub Form_Load()
maju = False
Timer1.Interval = 10 ' waktu / kecepatan timer berjalan
End Sub
Private Sub Timer1_Timer()
If Shape.Left And Shape1.Top <= 0 Then
maju = True
End If
If Shape.Left And Shape1.Top = 4400 Then
maju = False
End If
If maju = True Then
Shape.Left = Shape.Left + 10 'penambahan kekiri sebanyak sepuluh setelah interval
Shape1.Top = Shape1.Top + 10
Else
Shape.Left = Shape.Left - 10
Shape1.Top = Shape1.Top - 10
End If
A1 = Shape.Left
N1 = Shape1.Left
A2 = Shape.Top
N2 = Shape1.Top
jarak1 = N2 - N1 'untuk melakukan perhitungan jarak shape
jarak2 = A1 - A2 'untuk melakukan perhitungan jarak shape
Text1.Text = jarak1
Text2.Text = jarak2
If (jarak1 <= 100 And jarak1 >= -100) And (jarak2 <= 100 And jarak2 >= -100) Then
Shape.BackColor = vbRed
Shape1.BackColor = vbRed
Text1.BackColor = vbBlack
Text2.BackColor = vbBlack
Frame1.BackColor = vbBlackness
Else
Shape.BackColor = vbGreen
Shape1.BackColor = vbBlue
Text1.BackColor = vbGreen
Text1.ForeColor = vbBlue
Text2.BackColor = vbBlue
Text2.ForeColor = vbGreen
Frame1.BackColor = vbWhite
End If
End Sub
pada saat run setelah mengklik "mulai"
pada saat titik kordinat berada pada jarak antara >=-100 dan <= 100
atau untuk code (kode program vb nya) download
disini
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