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A chaotic ScreenSaver using DirectX 7

Submitted on: 1/6/2015 3:27:00 AM
By: Stephan Kirchmaier (from psc cd)  
Level: Advanced
User Rating: By 7 Users
Compatibility: VB 5.0, VB 6.0
Views: 1042
     It's my first DirectX Project. Please say what you think of it!
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' Name: A chaotic ScreenSaver using DirectX 7
' Description:It's my first DirectX Project. Please say what you think of it!
' By: Stephan Kirchmaier (from psc cd)
' Inputs:You must link "DirectX7 for Visual Basic Type Library" to your Project.
' Assumes:The ScreenSaver ends by clicking on the screen.

Option Explicit
Private DX7 As DirectX7
Private DXD As DirectDraw7
Private DXDS As DirectDrawSurface7
Private Sub Form_Load()
 Dim i As Long, j As Long
 'Create a DirectX7-Object and a DirectDraw-Object
 Set DX7 = New DirectX7
 Set DXD = DX7.DirectDrawCreate("")
 With DXSD
.lFlags = DDSD_CAPS
 End With
 'Fullscreen and set the resolution to 640 X 480
 DXD.SetDisplayMode 640, 480, 16, 0, DDSDM_DEFAULT
 'Create the Surface using the Surfacedescription DXSD
 Set DXDS = DXD.CreateSurface(DXSD)
 i = 0
 Do Until DoEvents()
For j = 0 To ScaleWidth Step 50
 'Set the Linecolor
 DXDS.SetForeColor i
 'Draw the line
 DXDS.DrawLine Rnd * Screen.Width, Rnd * Screen.Height, j, 0
 i = i + 1
 'Change the color
 If i = 65536 Then
i = 0
 End If
Next j
End Sub
Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
 Call endp
End Sub
Private Sub endp()
 'Clean up things
 Set DX7 = Nothing
 Set DXD = Nothing
 Set DXDS = Nothing
End Sub

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