Directx 纹理贴图 模仿地面效果

#include <d3dx9.h>#include <string>#include <tchar.h>#pragma warning(disable: 4996)#include <strsafe.h>#pragma warning(disable: 4996)//////////////////////////////////////////////////////////////////////////#define SAFE_RELEASE(p) { if(p) { p->Release(); (p) = NULL; } }#define SAFE_DELETE(p)  { if(p) { delete(p); (p) = NULL; } }IDirect3DDevice9 *Device = 0;ID3DXFont *Font = 0;wchar_t strFPS[30];float FPS = 0.0f;RECT ClientRect;LPDIRECT3DTEXTURE9 pTexture;IDirect3DVertexBuffer9 *VB = 0;D3DXMATRIX World;float Get_FPS();///////////////////////////////////////////////////////////////////////////////struct ColorVertex{ColorVertex(){}ColorVertex(float x, float y, float z, float u, float v){_x = x; _y = y;  _z = z; _u = u; _v = v;}float _x, _y, _z, _u, _v;static const DWORD FVF;};const DWORD ColorVertex::FVF = D3DFVF_XYZ | D3DFVF_TEX1;//////////////////////////////////////////////////////////////////////////                   bool Setup(){Device->CreateVertexBuffer(4*sizeof(ColorVertex), D3DUSAGE_WRITEONLY,ColorVertex::FVF, D3DPOOL_DEFAULT, &VB, 0);ColorVertex *vertexs;VB->Lock(0, 0, (void**)&vertexs, 0);vertexs[0] = ColorVertex(-4.0f, -4.0f, -4.0f, 0.0f, 0.0f);vertexs[1] = ColorVertex(-4.0f, -4.0f,  4.0f, 0.0f, 1.0f);vertexs[2] = ColorVertex( 4.0f, -4.0f, -4.0f, 1.0f, 0.0f);vertexs[3] = ColorVertex( 4.0f, -4.0f,  4.0f, 1.0f, 1.0f);VB->Unlock();//////////////////////////////////////////////////////////////////////////D3DXCreateFont(Device,20,10,0,D3DX_DEFAULT,false,DEFAULT_CHARSET,0,DEFAULT_QUALITY,0,TEXT("Times New Roman"),&Font);D3DXCreateTextureFromFile(Device,TEXT("ground.jpg"),&pTexture);//////////////////////////////////////////////////////////////////////////D3DXVECTOR3 postion(0.0f, 3.0f, -5.0f);D3DXVECTOR3 targer(0.0f, 0.0f, 0.0f);D3DXVECTOR3 up(0.0f, 1.0f, 0.0f);D3DXMATRIX V;D3DXMatrixLookAtLH(&V, &postion, &targer, &up);Device->SetTransform(D3DTS_VIEW, &V);//////////////////////////////////////////////////////////////////////////D3DXMATRIX proj;D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI * 0.5f, float(640)/float(480), 1.0f, 1000.0f);Device->SetTransform(D3DTS_PROJECTION, &proj);Device->SetRenderState(D3DRS_LIGHTING, false);return true;}void Clearup(){SAFE_RELEASE(VB);}///////////////////////////////////////////////////////////////////////////////LRESULT CALLBACK WndProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam){switch (msg){case WM_PAINT:ValidateRect(hwnd,NULL);break;case WM_DESTROY:Clearup();PostQuitMessage(0);break;case WM_KEYDOWN:if(wParam == VK_ESCAPE)DestroyWindow(hwnd);break;}return DefWindowProc(hwnd,msg,wParam,lParam);} bool Display() { if(Device) { Device->Clear(0, 0, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(40, 40, 40), 1.0f, 0); Device->BeginScene(); //让四边形顺时针绕Y轴匀速转动 /* D3DXMATRIX worldMatrix; UINT iTime = timeGetTime() % 1000; float fAngle = iTime * ( D3DX_PI * 2 ) / 1000.0f; D3DXMatrixRotationY(&worldMatrix, fAngle); Device->SetTransform(D3DTS_WORLD, &worldMatrix);*/     ////////////////////////////////////////////////////////////////////////// Device->SetFVF(ColorVertex::FVF); Device->SetTexture(0,pTexture); Device->SetStreamSource(0, VB, 0, sizeof(ColorVertex)); Device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE); Device->SetRenderState(D3DRS_SHADEMODE, D3DSHADE_GOURAUD); Device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2); RECT ClientRect = {20, 20, 190, 100}; int charCount = swprintf_s(strFPS,20,TEXT("FPS:%f"),Get_FPS()); Font->DrawText(NULL,strFPS,charCount,&ClientRect,DT_BOTTOM | DT_RIGHT, D3DCOLOR_XRGB(0,240,50)); Device->EndScene();  Device->Present(0, 0, 0, 0); } return true; }int EnterMsgLoop(bool (*ptr_display)()){MSG msg;ZeroMemory(&msg,sizeof(MSG));while (msg.message != WM_QUIT){if(PeekMessage(&msg, 0, 0, 0,PM_REMOVE)){TranslateMessage(&msg);DispatchMessage(&msg);}else{ptr_display();}}return msg.wParam;}///////////////////////////////////////////////////////////////////////////////int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,   LPSTR lpCmdLine, int nShowCmd ){WNDCLASSEX wc;wc.style = CS_HREDRAW | CS_VREDRAW;wc.cbClsExtra = 0;wc.cbSize = sizeof(WNDCLASSEX);wc.cbWndExtra = 0;wc.hbrBackground = HBRUSH(GetStockObject(WHITE_BRUSH));wc.hCursor = LoadCursor(0,IDC_ARROW);wc.hInstance = hInstance;//wc.hIcon = LoadIcon(0,IDI_APPLICATION);wc.hIcon = (HICON)::LoadImage(NULL,TEXT("icon.ico"),IMAGE_ICON,0,0,LR_DEFAULTSIZE | LR_LOADFROMFILE);//wc.hIconSm = LoadIcon(0,IDI_APPLICATION);wc.hIconSm = (HICON)::LoadImage(NULL,TEXT("icon.ico"),IMAGE_ICON,0,0,LR_DEFAULTSIZE | LR_LOADFROMFILE);wc.lpszClassName = TEXT("DIRECTX");wc.lpszMenuName = NULL;wc.lpfnWndProc = WNDPROC(WndProc);if(!RegisterClassEx(&wc)){MessageBox(0,TEXT("RegisterClassEx Error!"),0,0);return false;}HWND hwnd = 0;hwnd = CreateWindowEx(WS_EX_TOPMOST,TEXT("DIRECTX"),TEXT("DIRECTX"),WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,CW_USEDEFAULT,640,480,NULL,NULL,hInstance,NULL);if(!hwnd){MessageBox(0,TEXT("CreateWindowEx() Error!"),0,0);return false;}MoveWindow(hwnd, 50,20,1280,720,true);ShowWindow(hwnd,SW_SHOW);UpdateWindow(hwnd);//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////HRESULT hr;IDirect3D9 *d3d9 = 0;d3d9 = Direct3DCreate9(D3D_SDK_VERSION);if (!d3d9){MessageBox(0,TEXT("Direct3DCreate9 Error!"),0,0);return false;}///////////////////////////////////////////////////////////////////////////////D3DCAPS9 caps;d3d9->GetDeviceCaps(D3DADAPTER_DEFAULT,D3DDEVTYPE_HAL,&caps);int vp = 0;if(caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT)vp = D3DCREATE_HARDWARE_VERTEXPROCESSING;elsevp = D3DCREATE_SOFTWARE_VERTEXPROCESSING;///////////////////////////////////////////////////////////////////////////////D3DPRESENT_PARAMETERS d3dpp;d3dpp.BackBufferWidth            = 640;d3dpp.BackBufferHeight           = 480;d3dpp.BackBufferFormat           = D3DFMT_A8R8G8B8;d3dpp.BackBufferCount            = 1;d3dpp.MultiSampleType            = D3DMULTISAMPLE_NONE;d3dpp.MultiSampleQuality         = 0;d3dpp.SwapEffect                 = D3DSWAPEFFECT_DISCARD; d3dpp.hDeviceWindow              = hwnd;d3dpp.Windowed                   = TRUE;d3dpp.EnableAutoDepthStencil     = true; d3dpp.AutoDepthStencilFormat     = D3DFMT_D24S8;d3dpp.Flags                      = 0;d3dpp.FullScreen_RefreshRateInHz = D3DPRESENT_RATE_DEFAULT;d3dpp.PresentationInterval       = D3DPRESENT_INTERVAL_IMMEDIATE;hr = d3d9->CreateDevice(D3DADAPTER_DEFAULT,D3DDEVTYPE_HAL,hwnd,vp,&d3dpp,&Device);if( FAILED(hr) ){d3dpp.AutoDepthStencilFormat = D3DFMT_D16;hr = d3d9->CreateDevice(D3DADAPTER_DEFAULT,D3DDEVTYPE_HAL,hwnd,vp,&d3dpp,&Device);if( FAILED(hr) ){d3d9->Release();MessageBox(0, TEXT("CreateDevice() - FAILED"), 0, 0);return false;}}SAFE_RELEASE(d3d9);///////////////////////////////////////////////////////////////////////////////if(!Setup()){MessageBox(0, TEXT("Setup() - FAILED"), 0, 0);return 0;}EnterMsgLoop( Display );Clearup();Device->Release();return 0;}float Get_FPS(){static float fps = 0.0f;static int frameCounts = 0;static float currentTime = 0.0f;static float lastTime = 0.0f;frameCounts++;currentTime = timeGetTime() * 0.001f;if(currentTime - lastTime > 1.0f){fps = float(frameCounts) / (currentTime - lastTime);lastTime = currentTime;frameCounts = 0;}return fps;}