Research Institute of the article digestive system summary digestive system [iTween Unity plug-in a

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We define its own vertex format, including D3DFVF_XYZRHW (after conversion of coordinates) and D3DFVF_DIFFUSE (diffuse). One thing to note is that there can not be used D3DFVF_XYZRHW D3DFVF_XYZ, D3DFVF_NORMAL simultaneously, because D3DFVF_XYZRHW vertex coordinates are converted through both conflict and post. VERTEX vertex structure definition, I do not just want to match the flexible vertex digestive system format defined in the order of attributes also consistent with DirectX3D given: Location (eg: x, y, z), RHW (Reciprocal of the Homogenous W, ie 1 / W), mixed weighted vertex normals, vertex size, diffuse, specular reflection, texture coordinates. digestive system
HRESULT digestive system InitVB () {VERTEX vertexes [] = {{0.0f, 200.0f, 1.0f, 1.0f, 0xff112233}, {150.0f, 0.0f, 1.0f, 1.0f, 0xff224488}, {300.0f, 200.0f, 1.0f, 1.0f, 0xff789034}}; if (FAILED (g_pDevice-> CreateVertexBuffer (sizeof (vertexes), 0, FVF, D3DPOOL_DEFAULT, & g_pVB, NULL))) {return E_FAIL;} void * pvertexes = NULL; if (FAILED (g_pVB-> Lock (0, sizeof (vertexes), (void **) & pvertexes, 0))) {return E_FAIL;} memcpy (pvertexes, vertexes, sizeof (vertexes)); g_pVB-> Unlock (); return S_OK ;}
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{0.0f, digestive system 200.0f, digestive system 1.0f, 1.0f, 0xff112233},
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, FVF
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In InitVB, first define the vertex graph, where we initialize the three vertices of a triangle, stored in vertexes array (Note: the order is filled with cutting the way the vertices, the default is clockwise, you can g_pDevice-> SetRenderState (...) to be set, we'll explain digestive system later). g_pDevice DirectX3D device pointer is valid, CreateVertexBuffer method is to create a vertex buffer, the first parameter indicates the size you want to create a vertex buffer digestive system (number of bytes), in which we set to the size of the array; second argument property that represents digestive system the vertex buffer, in this setting is 0; third parameter indicates a flexible vertex format, set to a defined FVF; fourth parameter indicates the vertex buffer memory types, enumerated types D3DPOOL choose from, and in this Select the default type D3DPOOL_DEFAULT (vertex digestive system buffer is stored in memory as possible, and when the device is lost, the data will be lost); fifth parameter is the address of the vertex buffer interface; sixth parameter is reserved in this set to NULL.
void Render () {if (NULL == g_pDevice) {return;} g_pDevice-> Clear (0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB (30, 60, 90), 1.0f, 0); if (SUCCEEDED (g_pDevice-> digestive system BeginScene ())) {g_pDevice-> SetStreamSource (0, g_pVB, 0, sizeof (VERTEX)); g_pDevice-> SetFVF (FVF); g_pDevice-> DrawPrimitive (D3DPT_TRIANGLELIST, 0, 1); g_pDevice-> EndScene ();} g_pDevice-> Present (NULL, NULL, NULL, NULL);}
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