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cvsrabit |
1.1 |
Attribute VB_Name = "Module_Geometry" |
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Global gCol_Geo_IbIndexBuffers As New Collection |
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Global gCol_Geo_lColours As New Collection |
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'Global gCol_Geo_LvVertexLists As New Collection |
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'Global gCol_Geo_IIndexLists As New Collection |
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' |
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Public Sub InitialiseGeometry() |
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'//0. Any Variables |
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'//1. Define the colours at each corner |
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Const Corner000 As Long = &HFF0000 'red 0 |
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Const Corner001 As Long = &HFF00 'green 1 |
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Const Corner010 As Long = &HFF 'blue 2 |
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Const Corner011 As Long = &HFF00FF 'magenta 3 |
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Const Corner100 As Long = &HFFFF00 'yellow 4 |
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Const Corner101 As Long = &HFFFF 'cyan 5 |
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Const Corner110 As Long = &HFF8000 'orange 6 |
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Const Corner111 As Long = &HFFFFFF 'white 7 |
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'//2. Define the faces |
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'top |
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CubeVerts(0) = CreateLitVertex(-1, 1, -1, Corner010, 0, 0, 0) |
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CubeVerts(1) = CreateLitVertex(1, 1, -1, Corner110, 0, 0, 0) |
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CubeVerts(2) = CreateLitVertex(-1, 1, 1, Corner011, 0, 0, 0) |
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CubeVerts(3) = CreateLitVertex(1, 1, -1, Corner110, 0, 0, 0) |
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CubeVerts(4) = CreateLitVertex(1, 1, 1, Corner111, 0, 0, 0) |
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CubeVerts(5) = CreateLitVertex(-1, 1, 1, Corner011, 0, 0, 0) |
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'bottom |
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CubeVerts(6) = CreateLitVertex(-1, -1, -1, Corner000, 0, 0, 0) |
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CubeVerts(7) = CreateLitVertex(1, -1, -1, Corner100, 0, 0, 0) |
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CubeVerts(8) = CreateLitVertex(-1, -1, 1, Corner001, 0, 0, 0) |
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CubeVerts(9) = CreateLitVertex(1, -1, -1, Corner100, 0, 0, 0) |
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CubeVerts(10) = CreateLitVertex(1, -1, 1, Corner101, 0, 0, 0) |
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CubeVerts(11) = CreateLitVertex(-1, -1, 1, Corner001, 0, 0, 0) |
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'left |
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CubeVerts(12) = CreateLitVertex(-1, 1, -1, Corner010, 0, 0, 0) |
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CubeVerts(13) = CreateLitVertex(-1, 1, 1, Corner011, 0, 0, 0) |
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CubeVerts(14) = CreateLitVertex(-1, -1, -1, Corner000, 0, 0, 0) |
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CubeVerts(15) = CreateLitVertex(-1, 1, 1, Corner011, 0, 0, 0) |
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CubeVerts(16) = CreateLitVertex(-1, -1, 1, Corner001, 0, 0, 0) |
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CubeVerts(17) = CreateLitVertex(-1, -1, -1, Corner000, 0, 0, 0) |
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'right |
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CubeVerts(18) = CreateLitVertex(1, 1, -1, Corner110, 0, 0, 0) |
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CubeVerts(19) = CreateLitVertex(1, 1, 1, Corner111, 0, 0, 0) |
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CubeVerts(20) = CreateLitVertex(1, -1, -1, Corner100, 0, 0, 0) |
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CubeVerts(21) = CreateLitVertex(1, 1, 1, Corner111, 0, 0, 0) |
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CubeVerts(22) = CreateLitVertex(1, -1, 1, Corner101, 0, 0, 0) |
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CubeVerts(23) = CreateLitVertex(1, -1, -1, Corner100, 0, 0, 0) |
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'front |
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CubeVerts(24) = CreateLitVertex(-1, 1, 1, Corner011, 0, 0, 0) |
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CubeVerts(25) = CreateLitVertex(1, 1, 1, Corner111, 0, 0, 0) |
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CubeVerts(26) = CreateLitVertex(-1, -1, 1, Corner001, 0, 0, 0) |
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CubeVerts(27) = CreateLitVertex(1, 1, 1, Corner111, 0, 0, 0) |
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CubeVerts(28) = CreateLitVertex(1, -1, 1, Corner101, 0, 0, 0) |
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CubeVerts(29) = CreateLitVertex(-1, -1, 1, Corner001, 0, 0, 0) |
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'back |
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CubeVerts(30) = CreateLitVertex(-1, 1, -1, Corner010, 0, 0, 0) |
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CubeVerts(31) = CreateLitVertex(1, 1, -1, Corner110, 0, 0, 0) |
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CubeVerts(32) = CreateLitVertex(-1, -1, -1, Corner000, 0, 0, 0) |
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CubeVerts(33) = CreateLitVertex(1, 1, -1, Corner110, 0, 0, 0) |
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CubeVerts(34) = CreateLitVertex(1, -1, -1, Corner100, 0, 0, 0) |
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CubeVerts(35) = CreateLitVertex(-1, -1, -1, Corner000, 0, 0, 0) |
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'//Setup the Vertex buffer |
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Set vbCube = D3DDevice.CreateVertexBuffer(Len(CubeVerts(0)) * 36, 0, FVF_LVERTEX, D3DPOOL_MANAGED) |
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If vbCube Is Nothing Then Debug.Print "ERROR: Could not create vertex buffer": Exit Sub |
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D3DVertexBuffer8SetData vbCube, 0, Len(CubeVerts(0)) * 36, 0, CubeVerts(0) |
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'//Setup the Vertex buffer for the indices version... |
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vList(0) = CreateLitVertex(-1, -1, -1, &HFFFFFF, 0, 0, 0) |
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vList(1) = CreateLitVertex(-1, -1, 1, &HFF0000, 0, 0, 0) |
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vList(2) = CreateLitVertex(-1, 1, -1, &HFF00, 0.5, 0, 0) |
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vList(3) = CreateLitVertex(-1, 1, 1, &HFF, 0.5, 0, 0) |
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vList(4) = CreateLitVertex(1, -1, -1, &HFF00FF, 0, 0, 0) |
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vList(5) = CreateLitVertex(1, -1, 1, &HFFFF00, 0, 0, 0) |
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vList(6) = CreateLitVertex(1, 1, -1, &HFFFF, 0.5, 0, 0) |
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vList(7) = CreateLitVertex(1, 1, 1, &HFF8000, 0.5, 0, 0) |
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Set vbCubeIdx = D3DDevice.CreateVertexBuffer(Len(vList(0)) * 8, 0, FVF_LVERTEX, D3DPOOL_MANAGED) |
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If vbCubeIdx Is Nothing Then Debug.Print "ERROR: Could not create vbCubeIdx": Exit Sub |
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D3DVertexBuffer8SetData vbCubeIdx, 0, Len(vList(0)) * 8, 0, vList(0) |
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'//Setup the index list. |
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'top |
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iList(0) = 2: iList(1) = 6: iList(2) = 3 |
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iList(3) = 6: iList(4) = 7: iList(5) = 3 |
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'bottom |
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iList(6) = 0: iList(7) = 4: iList(8) = 1 |
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iList(9) = 4: iList(10) = 5: iList(11) = 1 |
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'left |
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iList(12) = 2: iList(13) = 3: iList(14) = 0 |
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iList(15) = 3: iList(16) = 1: iList(17) = 0 |
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'right |
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iList(18) = 6: iList(19) = 7: iList(20) = 4 |
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iList(21) = 7: iList(22) = 5: iList(23) = 4 |
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'front |
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iList(24) = 3: iList(25) = 7: iList(26) = 1 |
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iList(27) = 7: iList(28) = 5: iList(29) = 1 |
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'back |
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iList(30) = 2: iList(31) = 6: iList(32) = 0 |
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iList(33) = 6: iList(34) = 4: iList(35) = 0 |
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'//Create the index buffer |
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Set ibCube = D3DDevice.CreateIndexBuffer(Len(iList(0)) * 36, 0, D3DFMT_INDEX16, D3DPOOL_MANAGED) |
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If ibCube Is Nothing Then Debug.Print "ERROR: Could not create the index buffer": Exit Sub |
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D3DIndexBuffer8SetData ibCube, 0, Len(iList(0)) * 36, 0, iList(0) |
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'//A simple example of checking how many indices there are: |
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'D3DFMT_INDEX16 = 101 |
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'D3DFMT_INDEX32 = 102 |
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Dim ibDesc As D3DINDEXBUFFER_DESC |
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Dim IndexCount As Long 'how many indices are in the buffer |
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ibCube.GetDesc ibDesc |
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'ibDesc.Pool |
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If ibDesc.Format = 101 Then |
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'16 bit indices |
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IndexCount = ibDesc.Size / 2 |
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ElseIf ibDesc.Format = 102 Then |
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'32 bit indices |
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IndexCount = ibDesc.Size / 4 |
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Else |
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'no idea whats stored here! |
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End If |
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Debug.Print IndexCount, " indices in the buffer." |
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'//A simple example of checking how many vertices there are: |
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Dim vbDesc As D3DVERTEXBUFFER_DESC |
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Dim DummyVertex As LITVERTEX |
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Dim VertexCount As Long |
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Dim TotalDivider As Long 'the size of the vertex structure |
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vbCube.GetDesc vbDesc |
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If vbDesc.FVF = FVF_LVERTEX Then |
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'The type stored is the LVertex type |
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VertexCount = vbDesc.Size / Len(DummyVertex) |
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Else |
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'it's some other type of vertex, lets find out: |
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If Not (vbDesc.FVF And D3DFVF_XYZ) = 0 Then |
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Debug.Print "D3DFVF_XYZ" |
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TotalDivider = TotalDivider + 12 |
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End If |
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If Not (vbDesc.FVF And D3DFVF_XYZRHW) = 0 Then |
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Debug.Print "D3DFVF_XYZRHW" |
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TotalDivider = TotalDivider + 16 |
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End If |
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If Not (vbDesc.FVF And D3DFVF_NORMAL) = 0 Then |
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Debug.Print "D3DFVF_NORMAL" |
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TotalDivider = TotalDivider + 12 |
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End If |
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If Not (vbDesc.FVF And D3DFVF_DIFFUSE) = 0 Then |
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Debug.Print "D3DFVF_DIFFUSE" |
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TotalDivider = TotalDivider + 4 |
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End If |
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If Not (vbDesc.FVF And D3DFVF_SPECULAR) = 0 Then |
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Debug.Print "D3DFVF_SPECULAR" |
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TotalDivider = TotalDivider + 4 |
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End If |
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If Not (vbDesc.FVF And D3DFVF_TEX1) = 0 Then |
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Debug.Print "D3DFVF_TEX1" |
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TotalDivider = TotalDivider + 8 |
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End If |
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If Not (vbDesc.FVF And D3DFVF_TEX2) = 0 Then |
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Debug.Print "D3DFVF_TEX2" |
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TotalDivider = TotalDivider + 8 |
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End If |
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VertexCount = vbDesc.Size / TotalDivider |
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End If |
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' Debug.Print VertexCount, " Vertices in the buffer" |
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End Sub |
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