Direct3D 光照练习

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我什么都不想说，就是来一张结果图撒
结果图
代码
// tWinMain.cpp : Defines the entry point for the application.#include "windows.h"#include "tchar.h"#include "d3d9.h"#include "d3dx9.h"#pragma comment(lib, "d3dx9.lib")#pragma comment(lib, "d3d9.lib")#pragma comment(lib, "winmm.lib")#define WNDWIDTH 800#define WNDHEIGHT 600// Global Variables:HWND g_hWnd                                             = NULL;LPDIRECT3D9 g_pDirect3D                                 = NULL;LPDIRECT3DDEVICE9 g_pDirect3DDevice                     = NULL;LPD3DXFONT g_pD3DXFont                                  = NULL;LPD3DXMESH g_teapot = NULL;LPD3DXMESH g_cube = NULL;LPD3DXMESH g_sphere = NULL;LPD3DXMESH g_torus = NULL;D3DXMATRIX g_WorldMatrix[4], R;// Forward declarations of functions included in this code module:ATOM                MyRegisterClass(HINSTANCE hInstance);BOOL                InitInstance(HINSTANCE, int);LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);HRESULT Direct3DInit();VOID Direct3DRender();VOID Direct3DClean();bool GameInit();void MatrixSet();void LightSet(int nLight);void GameRender();void GameClean();int APIENTRY _tWinMain(_In_ HINSTANCE hInstance,                     _In_opt_ HINSTANCE hPrevInstance,                     _In_ LPTSTR    lpCmdLine,                     _In_ int       nCmdShow){    UNREFERENCED_PARAMETER(hPrevInstance);    UNREFERENCED_PARAMETER(lpCmdLine);    // TODO: Place code here.    MSG msg = {0};    // Initialize global strings    MyRegisterClass(hInstance);    // Perform application initialization:    if (!InitInstance (hInstance, nCmdShow))    {        return FALSE;    }    // Main message loop:    while (msg.message != WM_QUIT)    {        if (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))        {            TranslateMessage(&msg);            DispatchMessage(&msg);        }        else        {            Direct3DRender();        }    }    return (int) msg.wParam;}ATOM MyRegisterClass(HINSTANCE hInstance){    WNDCLASSEX wcex;    wcex.cbSize = sizeof(WNDCLASSEX);    wcex.style          = CS_HREDRAW | CS_VREDRAW;    wcex.lpfnWndProc    = WndProc;    wcex.cbClsExtra     = 0;    wcex.cbWndExtra     = 0;    wcex.hInstance      = hInstance;    wcex.hIcon          = LoadIcon(NULL, MAKEINTRESOURCE(IDI_APPLICATION));    wcex.hCursor        = LoadCursor(NULL, IDC_ARROW);    wcex.hbrBackground  = (HBRUSH)(COLOR_WINDOW+1);    wcex.lpszMenuName   = NULL;    wcex.lpszClassName  = _T("WndClass");    wcex.hIconSm = LoadIcon(NULL, MAKEINTRESOURCE(IDI_APPLICATION));    return RegisterClassEx(&wcex);}BOOL InitInstance(HINSTANCE hInstance, int nCmdShow){   g_hWnd = CreateWindow(_T("WndClass"), _T("LearnGame"), WS_OVERLAPPEDWINDOW,      CW_USEDEFAULT, CW_USEDEFAULT, WNDWIDTH, WNDHEIGHT, NULL, NULL, hInstance, NULL);   if (!g_hWnd)   {      return FALSE;   }   if (FAILED(Direct3DInit()))   {       return FALSE;   }   ShowWindow(g_hWnd, nCmdShow);   UpdateWindow(g_hWnd);   return TRUE;}LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam){    switch (message)    {    case WM_KEYDOWN:        if (wParam == VK_ESCAPE)        {            Direct3DClean();            DestroyWindow(hWnd);        }        break;    case WM_DESTROY:        PostQuitMessage(0);        break;    default:        return DefWindowProc(hWnd, message, wParam, lParam);    }    return 0;}HRESULT Direct3DInit(){    g_pDirect3D = Direct3DCreate9(D3D_SDK_VERSION);    if (g_pDirect3D == NULL)    {        return E_FAIL;    }    D3DCAPS9 d3dcaps;    ZeroMemory(&d3dcaps, sizeof(D3DCAPS9));    if (FAILED(g_pDirect3D->GetDeviceCaps(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &d3dcaps)))    {        return E_FAIL;    }    int vp = 0;    if (d3dcaps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT)    {        vp = D3DCREATE_HARDWARE_VERTEXPROCESSING;    }    else    {        vp = D3DCREATE_SOFTWARE_VERTEXPROCESSING;    }    D3DPRESENT_PARAMETERS d3dpp;    ZeroMemory(&d3dpp, sizeof(D3DPRESENT_PARAMETERS));    d3dpp.BackBufferWidth = WNDWIDTH;    d3dpp.BackBufferHeight = WNDHEIGHT;    d3dpp.BackBufferFormat = D3DFMT_A8R8G8B8;    d3dpp.BackBufferCount = 1;    d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE;    d3dpp.MultiSampleQuality = 0;    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;    d3dpp.hDeviceWindow = g_hWnd;    d3dpp.Windowed = TRUE;    d3dpp.EnableAutoDepthStencil = TRUE;    d3dpp.AutoDepthStencilFormat = D3DFMT_D24S8;    d3dpp.Flags = 0;    d3dpp.FullScreen_RefreshRateInHz = 0;    d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;    if (FAILED(g_pDirect3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, g_hWnd, vp, &d3dpp, &g_pDirect3DDevice)))    {        return E_FAIL;    }    if (FAILED(D3DXCreateFont(g_pDirect3DDevice, 24, 0, 0, 1, FALSE, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH, _T("Arial"), &g_pD3DXFont)))    {        return E_FAIL;    }    if (!GameInit())    {        return E_FAIL;    }    return S_OK;}VOID Direct3DRender(){    g_pDirect3DDevice->Clear(0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(0,0,0), 1.0f, 0);    if (SUCCEEDED(g_pDirect3DDevice->BeginScene()))    {        GameRender();        g_pDirect3DDevice->EndScene();        g_pDirect3DDevice->Present(NULL, NULL, NULL, NULL);    }}VOID Direct3DClean(){    GameClean();    g_pD3DXFont->Release();    g_pD3DXFont = NULL;    g_pDirect3DDevice->Release();    g_pDirect3DDevice = NULL;    g_pDirect3D->Release();    g_pDirect3D = NULL;}bool GameInit(){    if (FAILED(D3DXCreateBox(g_pDirect3DDevice, 2.0f, 2.0f, 2.0f, &g_cube, NULL)))    {        return false;    }    if (FAILED(D3DXCreateTeapot(g_pDirect3DDevice, &g_teapot, NULL)))    {        return false;    }    if (FAILED(D3DXCreateSphere(g_pDirect3DDevice, 1.5f, 25, 25, &g_sphere, NULL)))    {        return false;    }    if (FAILED( D3DXCreateTorus(g_pDirect3DDevice, 0.5f, 1.2f, 25, 25, &g_torus, NULL)))    {        return false;    }    D3DMATERIAL9 mtrl;    ZeroMemory(&mtrl, sizeof(mtrl));    mtrl.Ambient = D3DXCOLOR(0.5f, 0.5f, 0.7f, 1.0f);    mtrl.Diffuse = D3DXCOLOR(0.6f, 0.6f, 0.6f, 1.0f);    mtrl.Specular = D3DXCOLOR(0.3f, 0.3f, 0.3f, 0.3f);    mtrl.Emissive = D3DXCOLOR(0.3f, 0.0f, 0.1f, 1.0f);    g_pDirect3DDevice->SetMaterial(&mtrl);    LightSet(1);    g_pDirect3DDevice->SetRenderState(D3DRS_LIGHTING, TRUE);    g_pDirect3DDevice->SetRenderState(D3DRS_NORMALIZENORMALS, TRUE);    g_pDirect3DDevice->SetRenderState(D3DRS_SPECULARENABLE, TRUE);    g_pDirect3DDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);    //g_pDirect3DDevice->SetRenderState(D3DRS_FILLMODE, D3DFILL_WIREFRAME);    return true;}void GameRender(){    MatrixSet();    if (::GetAsyncKeyState(0x31) & 0x8000F)    {        g_pDirect3DDevice->SetRenderState(D3DRS_FILLMODE, D3DFILL_WIREFRAME);    }    if (::GetAsyncKeyState(0x32) & 0x8000F)    {        g_pDirect3DDevice->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID);    }    if (::GetAsyncKeyState(0x51) & 0x8000f)    {        LightSet(1);    }    if (::GetAsyncKeyState(0x57) & 0x8000f)    {        LightSet(2);    }    if (::GetAsyncKeyState(0x45) & 0x8000f)    {        LightSet(3);    }    D3DXMatrixRotationY(&R, timeGetTime()/1440.0f);    D3DXMatrixTranslation(&g_WorldMatrix[0], 3.0f, -3.0f, 0.0f);    g_WorldMatrix[0] = g_WorldMatrix[0] * R;    g_pDirect3DDevice->SetTransform(D3DTS_WORLD, &g_WorldMatrix[0]);    g_cube->DrawSubset(0);    D3DXMatrixTranslation(&g_WorldMatrix[1], -3.0f, -3.0f, 0.0f);    g_WorldMatrix[1] = g_WorldMatrix[1] * R;    g_pDirect3DDevice->SetTransform(D3DTS_WORLD, &g_WorldMatrix[1]);    g_teapot->DrawSubset(0);    D3DXMatrixTranslation(&g_WorldMatrix[2], 3.0f, 3.0f, 0.0f);    g_WorldMatrix[2] = g_WorldMatrix[2] * R;    g_pDirect3DDevice->SetTransform(D3DTS_WORLD, &g_WorldMatrix[2]);    g_torus->DrawSubset(0);    D3DXMatrixTranslation(&g_WorldMatrix[3], -3.0f, 3.0f, 0.0f);    g_WorldMatrix[3] = g_WorldMatrix[3] * R;    g_pDirect3DDevice->SetTransform(D3DTS_WORLD, &g_WorldMatrix[3]);    g_sphere->DrawSubset(0);}void GameClean(){    g_teapot->Release();    g_teapot = NULL;    g_cube->Release();    g_cube = NULL;    g_sphere->Release();    g_sphere = NULL;    g_torus->Release();    g_torus = NULL;}void MatrixSet(){    D3DXMATRIX matWorld, Rx, Ry, Rz;    D3DXMatrixIdentity(&matWorld);    D3DXMatrixRotationX(&Rx, D3DX_PI * timeGetTime() / 1000.0f);    D3DXMatrixRotationY(&Ry, D3DX_PI * timeGetTime() / 1000.0f / 2.0f);    D3DXMatrixRotationZ(&Rz, D3DX_PI * timeGetTime() / 1000.0f / 3.0f);    matWorld = Rx * Ry * Rz * matWorld;    g_pDirect3DDevice->SetTransform(D3DTS_WORLD, &matWorld);    D3DXMATRIX matView;    D3DXVECTOR3 vEye(0.0f, 0.0f, -20.0f);    D3DXVECTOR3 vAt(0.0f, 0.0f, 0.0f);    D3DXVECTOR3 vUp(0.0f, 1.0f, 0.0f);    D3DXMatrixLookAtLH(&matView, &vEye, &vAt, &vUp);    g_pDirect3DDevice->SetTransform(D3DTS_VIEW, &matView);    D3DXMATRIX matProj;    D3DXMatrixPerspectiveFovLH(&matProj, D3DX_PI / 4.0f, 1.0f, 1.0f, 1000.0f);    g_pDirect3DDevice->SetTransform(D3DTS_PROJECTION, &matProj);    D3DVIEWPORT9 vp;    vp.X = 0;    vp.Y = 0;    vp.Width = WNDWIDTH;    vp.Height = WNDHEIGHT;    vp.MinZ = 0.0f;    vp.MaxZ = 1.0f;    g_pDirect3DDevice->SetViewport(&vp);}void LightSet(int nLight){    switch (nLight)    {    case 1:    {              D3DLIGHT9 light;              ZeroMemory(&light, sizeof(light));              light.Type = D3DLIGHT_POINT;              light.Ambient = D3DXCOLOR(0.6f, 0.6f, 0.6f, 1.0f);              light.Diffuse = D3DXCOLOR(1.0f, 1.0f, 1.0f, 1.0f);              light.Specular = D3DXCOLOR(0.3f, 0.3f, 0.3f, 1.0f);              light.Position = D3DXVECTOR3(0.0f, 100.0f, 0.0f);              light.Attenuation0 = 1.0f;              light.Attenuation1 = 0.0f;              light.Attenuation2 = 0.0f;              light.Range = 300.0f;              g_pDirect3DDevice->SetLight(0, &light);              break;    }    case 2:    {              D3DLIGHT9 light;              ZeroMemory(&light, sizeof(light));              light.Type = D3DLIGHT_DIRECTIONAL;              light.Ambient = D3DXCOLOR(0.6f, 0.6f, 0.6f, 1.0f);              light.Diffuse = D3DXCOLOR(1.0f, 1.0f, 1.0f, 1.0f);              light.Specular = D3DXCOLOR(0.3f, 0.3f, 0.3f, 1.0f);              light.Direction = D3DXVECTOR3(1.0f, 0.0f, 0.0f);              g_pDirect3DDevice->SetLight(0, &light);              break;    }    case 3:    {              D3DLIGHT9 light;              ZeroMemory(&light, sizeof(light));              light.Type = D3DLIGHT_SPOT;              light.Ambient = D3DXCOLOR(0.6f, 0.6f, 0.6f, 1.0f);              light.Diffuse = D3DXCOLOR(1.0f, 1.0f, 1.0f, 1.0f);              light.Specular = D3DXCOLOR(0.3f, 0.3f, 0.3f, 1.0f);              light.Position = D3DXVECTOR3(100.0f, 100.0f, 100.0f);              light.Direction = D3DXVECTOR3(-1.0f, -1.0f, -1.0f);              light.Attenuation0 = 1.0f;              light.Attenuation1 = 0.0f;              light.Attenuation2 = 0.0f;              light.Range = 300.0f;              light.Falloff = 0.1f;              light.Phi = D3DX_PI / 3.0f;              light.Theta = D3DX_PI / 6.0f;              g_pDirect3DDevice->SetLight(0, &light);              break;    }    }    g_pDirect3DDevice->LightEnable(0, TRUE);    g_pDirect3DDevice->SetRenderState(D3DRS_AMBIENT, D3DCOLOR_XRGB(36, 36, 36));}
这上一个例子里面的GetAsyncKeyState()函数调用错误，这个例子修改了~
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