假装狠牛逼

功能：获取显卡显示模式HRESULT GetAdapterDisplayMode(     UINT    Adapter,       //指定显示卡序列号  D3DADAPTER_DEFAULTis always the primary display adapter.    D3DDISPLAYMODE  *pMode   //存储显示模式的指针 Pointe

从一张纹理图形中生成多级纹理 HRESULT WINAPI D3DXCreateTextureFromFileEx( LPDIRECT3DDEVICE9 pDevice, //Direct3D设备指针 LPCTSTR pSrcFile, //图形文件路径与文件名 UINT

设置渲染状态HRESULT SetRenderState( D3DRENDERSTATETYPE State, //需要渲染的状态 DWORD Value //代表设置的渲染状态的值 );  ParametersState[in] Device state var

创建索引缓冲 HRESULT CreateIndexBuffer( UINT Length, //索引缓冲区大小，按字节数计算 DWORD Usage, //索引缓冲区属性，和顶点缓冲区相同 D3DFORMAT Format

功能：基本图元的绘制( Renders a sequence of nonindexed, geometric primitives of the specified type from the current set of data input streams.)HRESULT DrawPrimitive( ///基本图元的类型 D3DPRIMITIVE

HRESULT CreateVertexBuffer( UINT Length, //顶点缓冲区的大小，按字节数算 DWORD Usage, //顶点缓冲区属性 DWORD FVF,

HRESULT SetIndices( IDirect3DIndexBuffer9 *pIndexData //使用的索引缓冲区指针 ); ParameterspIndexData[in] Pointer to an IDirect3DIndexBuffer9 interface, representing the index data to be

VOID Render() { //清空后台缓冲区 g_pd3dDevice->Clear(0, NULL,D3DCLEAR_TARGET,D3DCOLOR_XRGB(0,0,255),1.0f,0 ); //开始在后台缓冲区绘制图形 if( SUCCEEDED(g_pd3dDevice->BeginSc

设置当前要渲染的纹理 HRESULT SetTexture( DWORD Stage, //多级纹理的索引，从0-7，单层纹理取0 IDirect3DBaseTexture9 *pTexture //Direct3D的纹理接口指针 ); Parameters

设置纹理采样属性 HRESULT SetSamplerState( DWORD Sampler, //指定纹理采样属性的纹理层ID（0~7） D3DSAMPLERSTATETYPE Type, //纹理过滤类型 DWORD Value //设置

D3DXMatrixRotationAxis函数创建一个可以绕着任意轴旋转的旋转矩阵。定义：D3DXMATRIX *WINAPI D3DXMatrixRotationAxis( D3DXMATRIX *pOut, CONST D3DXVECTOR3 *pV, FLOAT Angle);参数：pOut

从磁盘文件获取纹理 HRESULT WINAPI D3DXCreateTextureFromFile( LPDIRECT3DDEVICE9 pDevice, //Direct3D设备指针 LPCTSTR SrcFile, //纹理图形文件 LPDIRECT3DTEXTURE

HRESULT DrawIndexedPrimitive( D3DPRIMITIVETYPE Type, //基本图元类型 INT BaseVertexIndex, //顶点缓冲区的起始位置 UINT MinIndex, /

*设置资源流 HRESULT SetStreamSource( UINT StreamNumber, //渲染数据流序号 IDirect3DVertexBuffer9 *pStreamData, //进行绑定的顶点缓冲区指针 UINT OffsetInBytes,

开始渲染和结束渲染： IDirect3DDevice9::BeginScene/IDirect3DDevice9::EndScene pair BeginScene();                                 //开始渲染                         ……                    实际的渲染工作

IDirect3DDevice9::Present  Method功能：Presents the contents of the next buffer in the sequence of back buffers owned by the device. HRESULT Present(CONSTRECT *pSourceRect,//复制源的矩形区域指针

功能：Creates an instance of an IDirect3D9 object. 原型：IDirect3D9 *WINAPI Direct3DCreate9( UINT SDKVersion); 参数：SDKVersionThe value of this parameter should be D3D_SDK_VERSION. S

HRESULT  CreateDevice( UINT     Adapter,            //显卡序列号 D3DDEVTYPE       DeviceType,          //D3D设备类型 HWND     hFocusWindow,                //所属窗口句柄 DWORD BehaviorFlags,

功能：将一些可用的Buffer清理干净。函数原型：HRESULT Clear( DWORD Count, const D3DRECT *pRects, DWORD Flags, D3DCOLOR Color, float Z, DWORD Stencil);例: pd3dDevce->clear（0，NULL，D3DCLEAR

功能：创建一个右手坐标系的透视投影矩阵。原型：D3DXMATRIX *WINAPI D3DXMatrixPerspectiveFovRH( D3DXMATRIX *pOut, FLOAT fovy, FLOAT Aspect, FLOAT zn, FLOAT zf);参数：pOut [in, out] 指向D3DXMATRIX 结构的操

功能：Locks a range of vertex data and obtains a pointer to the vertex buffer memory.HRESULT Lock( UINT OffsetToLock, //加锁内存起始地址 UINT SizeToLock, //加锁

*设置顶点格式 HRESULT SetFVF( DWORD FVF //灵活顶点格式 ); ParametersFVF[in] The FVF constant, that detemines how to interpret vertex data. See D3DFVF. ExamplesThe f

设置纹理的渲染状态 HRESULT SetTextureStageState( DWORD Stage, //当前设置的多级纹理的索引 D3DTEXTURESTAGESTATETYPE Type, //纹理渲染状态的类型 DWORD

D3DXVec3TransformNormal()和D3DXVec3TransformCoord()根据给定的矩阵变换法线（向量）或坐标，区别在于后者变换后将w分量投射回1。向量为两个坐标的差值，因此第四维的值为0，而坐标的第四维的值则为1。上述两个函数具体的计算过程如下：D3DXVec3TransformNormal VOut.x =  VIn.x * M.11 + VIn.