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vb.net水波倒影 用flash制作水波倒影动画( 三 )

IT技术Long


hdc = GetDC(.hWnd)
Call WaveUpdateFrame(pWAVE_OBJECT(0), hdc, False)
Call ReleaseDC(.hWnd, hdc)
End If
'********************************************************************
' 特效处理
'********************************************************************
If (.dwFlag And F_WO_EFFECT) = 0 Then Exit Sub
Select Case .dwEffectType
'********************************************************************
' Type = 1 雨点，Param1＝速度（0最快 ， 越大越慢） ， Param2＝雨点大小，Param3＝能量
'********************************************************************
Case 1
'Dim ret As Long
If .dwEffectParam10 Then Call WaveRandom(pWAVE_OBJECT(0), .dwEffectParam1) 'ret = WaveRandom(pWAVE_OBJECT(0), .dwEffectParam1)
'If ret = 0 Then
dwPosX = WaveRandom(pWAVE_OBJECT(0), .dwBmpWidth - 2) + 1
dwPosY = WaveRandom(pWAVE_OBJECT(0), .dwBmpHeight - 2) + 1
dwSize = WaveRandom(pWAVE_OBJECT(0), .dwEffectParam2) + 1
dwWeight = WaveRandom(pWAVE_OBJECT(0), .dwEffectParam3) + 50
Call WaveDropStone(pWAVE_OBJECT(0), dwPosX, dwPosY, dwSize, dwWeight)
'End If
'********************************************************************
' Type = 2 行船，Param1＝速度（0最快，越大越快），Param2＝大?。?Param3＝能量
'********************************************************************
Case 2
.dwEff2Flip = .dwEff2Flip + 1
If (.dwEff2Flip And 1)0 Then Exit Sub
dwPosX = .dwEff2X + .dwEff2XAdd
dwPosY = .dwEff2Y + .dwEff2YAdd
If dwPosX1 Then
dwPosX = -(dwPosX - 1)
.dwEff2XAdd = -.dwEff2XAdd
End If
If dwPosY1 Then
dwPosY = -(dwPosY - 1)
.dwEff2YAdd = -.dwEff2YAdd
End If
If dwPosX.dwBmpWidth - 1 Then
dwPosX = (.dwBmpWidth - 1) - (dwPosX - (.dwBmpWidth - 1)) '(.dwBmpWidth - 1)*2 -dwPosX
.dwEff2XAdd = -.dwEff2XAdd
End If
If dwPosY.dwBmpHeight - 1 Then
dwPosY = (.dwBmpHeight - 1) - (dwPosY - (.dwBmpHeight - 1)) '(.dwBmpHeight-1)*2-dwPosY
.dwEff2YAdd = -.dwEff2YAdd
End If
.dwEff2X = dwPosX
.dwEff2Y = dwPosY
Call WaveDropStone(pWAVE_OBJECT(0), dwPosX, dwPosY, .dwEffectParam2, .dwEffectParam3)
'********************************************************************
' Type = 3 波浪，Param1＝密度，Param2＝大小 ， Param3＝能量
'********************************************************************
Case 3
Dim I As Long
For I = 0 To .dwEffectParam1
dwPosX = WaveRandom(pWAVE_OBJECT(0), .dwBmpWidth - 2) + 1
dwPosY = WaveRandom(pWAVE_OBJECT(0), .dwBmpHeight - 2) + 1
dwSize = WaveRandom(pWAVE_OBJECT(0), .dwEffectParam2) + 1
dwWeight = WaveRandom(pWAVE_OBJECT(0), .dwEffectParam3)
Call WaveDropStone(pWAVE_OBJECT(0), dwPosX, dwPosY, dwSize, dwWeight)
Next
End Select
End With
'取消模拟指针
CopyMemory ByVal VarPtrArray(pWAVE_OBJECT), 0, 4
CopyMemory ByVal VarPtrArray(pWAVE_OBJECTPtr), 0, 4
End Sub
'
'释放对象
'
Public Sub WaveFree(lpWaveObject As WAVE_OBJECT)
With lpWaveObject
If .hDcRender0 Then DeleteDC (.hDcRender)
If .hBmpRender0 Then DeleteObject .hBmpRender
If .lpDIBitsSource0 Then GlobalFree .lpDIBitsSource
If .lpDIBitsRender0 Then GlobalFree .lpDIBitsRender
If .lpWave10 Then GlobalFree .lpWave1
If .lpWave20 Then GlobalFree .lpWave2
KillTimer .hWnd, VarPtr(lpWaveObject)
ZeroMemory ByVal VarPtr(lpWaveObject), Len(lpWaveObject)
'-----------------------------------------------------------
'取消模拟指针
CopyMemory ByVal VarPtrArray(pLong), 0, 4
CopyMemory ByVal VarPtrArray(pLongPtr), 0, 4
'-----------------------------------------------------------------
'取消模拟指针
CopyMemory ByVal VarPtrArray(pByte), 0, 4

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