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sPriTe

Why No Blue...

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Can anyone assist. I have setup and rendered a spinning box...that works fine. I used the RGBA color set yellow to start... again, no problem, I got a nice yellow spinning box. I can get Red, and Green and mixtures of the two, BUT as soon as I set them to Blue I get the background color...ie No color. The Alpha setting is correct. Any ideas? Oh, and the hardware is working fine. Cheers SpRiTe Snippet of code Initialization below: D3DPRESENT_PARAMETERS d3dpp; D3DDISPLAYMODE d3ddm; D3DXMATRIX matProj, matView; D3DLIGHT8 Light; BYTE *Ptr; sVertex Verts[16] = { { -100.0f, 100.0f, -100.0f, 0.0f,0.0f,-1.0f, D3DCOLOR_RGBA(255,255,255,255) }, { 100.0f, 100.0f, -100.0f, 0.0f,0.0f,-1.0f, D3DCOLOR_RGBA(255,255,255,255) }, { -100.0f, -100.0f, -100.0f, 0.0f,0.0f,-1.0f, D3DCOLOR_RGBA(255,255,255,255) }, { 100.0f, -100.0f, -100.0f, 0.0f,0.0f,-1.0f, D3DCOLOR_RGBA(255,255,255,255) }, { 100.0f, 100.0f, -100.0f, 1.0f,0.0f,0.0f, D3DCOLOR_RGBA(255,255,255,255) }, { 100.0f, 100.0f, 100.0f, 1.0f,0.0f,0.0f, D3DCOLOR_RGBA(255,255,255,255) }, { 100.0f, -100.0f, -100.0f, 1.0f,0.0f,0.0f, D3DCOLOR_RGBA(255,255,255,255) }, { 100.0f, -100.0f, 100.0f, 1.0f,0.0f,0.0f, D3DCOLOR_RGBA(255,255,255,255) }, { 100.0f, 100.0f, 100.0f, 0.0f,0.0f,1.0f, D3DCOLOR_RGBA(255,255,255,255) }, { -100.0f, 100.0f, 100.0f, 0.0f,0.0f,1.0f, D3DCOLOR_RGBA(255,255,255,255) }, { 100.0f, -100.0f, 100.0f, 0.0f,0.0f,1.0f, D3DCOLOR_RGBA(255,255,255,255) }, { -100.0f, -100.0f, 100.0f, 0.0f,0.0f,1.0f, D3DCOLOR_RGBA(255,255,255,255) }, { -100.0f, 100.0f, 100.0f, -1.0f,0.0f,0.0f, D3DCOLOR_RGBA(255,255,255,255) }, { -100.0f, 100.0f, -100.0f, -1.0f,0.0f,0.0f, D3DCOLOR_RGBA(255,255,255,255) }, { -100.0f, -100.0f, 100.0f, -1.0f,0.0f,0.0f, D3DCOLOR_RGBA(255,255,255,255) }, { -100.0f, -100.0f, -100.0f, -1.0f,0.0f,0.0f, D3DCOLOR_RGBA(255,255,255,255) } }; // Do a windowed mode initialization of Direct3D if((g_pD3D = Direct3DCreate8(D3D_SDK_VERSION)) == NULL) return FALSE; if(FAILED(g_pD3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3ddm))) return FALSE; ZeroMemory(&d3dpp, sizeof(d3dpp)); d3dpp.Windowed = TRUE; d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; d3dpp.BackBufferFormat = d3ddm.Format; d3dpp.EnableAutoDepthStencil = TRUE; d3dpp.AutoDepthStencilFormat = D3DFMT_D16; if(FAILED(g_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hwnd, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &g_pD3DDevice))) return FALSE; // Set the rendering states g_pD3DDevice->SetRenderState(D3DRS_LIGHTING, TRUE); g_pD3DDevice->SetRenderState(D3DRS_ZENABLE, TRUE); // Create and set the projection matrix D3DXMatrixPerspectiveFovLH(&matProj, D3DX_PI/4.0f, 1.33333f, 1.0f, 1000.0f); g_pD3DDevice->SetTransform(D3DTS_PROJECTION, &matProj); // Create and set the view matrix D3DXMatrixLookAtLH(&matView, \ &D3DXVECTOR3(0.0f, 0.0f, -500.0f), \ &D3DXVECTOR3(0.0f, 0.0f, 0.0f), \ &D3DXVECTOR3(0.0f, 1.0f, 0.0f)); g_pD3DDevice->SetTransform(D3DTS_VIEW, &matView); // Create the vertex buffer and set data g_pD3DDevice->CreateVertexBuffer(sizeof(sVertex)*16, 0, \ VERTEXFVF, D3DPOOL_DEFAULT, &g_pVB); g_pVB->Lock(0,0, (BYTE**)&Ptr, 0); memcpy(Ptr, Verts, sizeof(Verts)); g_pVB->Unlock(); // Set light data, color, position, and range ZeroMemory(&Light, sizeof(Light)); Light.Type = D3DLIGHT_POINT; Light.Diffuse.r = Light.Ambient.r = 0.5f; Light.Diffuse.g = Light.Ambient.g = 0.5f; Light.Diffuse.b = Light.Ambient.b = 0.0f; Light.Diffuse.a = Light.Ambient.a = 1.0f; Light.Range = 1000.0f; Light.Attenuation0 = 0.5f; Light.Position.x = 300.0f; Light.Position.y = 0.0f; Light.Position.z = -600.0f; // Set and enable the light g_pD3DDevice->SetLight(0, &Light); g_pD3DDevice->LightEnable(0, TRUE); return TRUE;

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