DX中对矩阵和定点的运用太阳地球月亮和球.rar

#include<stdio.h> #include"stdafx.h" #include"main.h" //#pragma comment(lib,"winmm.lib") #include"Game.h" #define MAXLOADSTRING 100 //全局变量start HINSTANCE g_hInstance; TCHAR g_szTitle[MAXLOADSTRING]; TCHAR g_szWindowClass[MAXLOADSTRING]; int g_Width = 800; int g_Hight = 600; HWND g_hWnd; Game* g_pGame = NULL; //全局变量end //函数声明start ATOM MyRegisterClass(HINSTANCE hInstance); BOOL InitInstance(HINSTANCE hInstance, int nCmdShow); LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); void Paint( float fElapsed ); void Update( float fElapsed ); //函数声明end //主函数start int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE, LPTSTR lpCmdLine, int nCmdShow) { //从资源初始化全局字符串 LoadString(hInstance, IDS_APP_TITLE, g_szTitle, MAXLOADSTRING); LoadString(hInstance, IDS_D3DX, g_szWindowClass, MAXLOADSTRING); //应用程序初始化 //注册类 if(!MyRegisterClass(hInstance)) { //MessageBox(NULL, "注册类失败", "失败", MB_OK); return FALSE; } //创建窗口 if(!InitInstance(hInstance, nCmdShow)) { //MessageBox(NULL, "创建窗口失败", "失败", MB_OK); return FALSE; } //-------------------------------------------------------- //Game类初始化start g_pGame = new Game( g_hWnd, hInstance ); //if( g_pGame ) //{ g_pGame->Init(); //} //Game类初始化end //-------------------------------------------------------- //消息循环 MSG msg; ZeroMemory(&msg, sizeof(msg)); while(msg.message!=WM_QUIT) { if(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) { TranslateMessage(&msg); DispatchMessage(&msg); } else { static float fPresentTime = static_cast<float>( timeGetTime() ); float fCurrentTime = static_cast<float>( timeGetTime() ); float fElapsedTime = ( fCurrentTime - fPresentTime ) * 0.001; g_pGame->Draw(); g_pGame->Update(); fPresentTime = fCurrentTime; static float AllTime = 0.0; static int Tick = 0; AllTime += fElapsedTime; Tick++; if( AllTime >= 1.0f ) { char Temp[50]; memset( Temp, 0, sizeof(Temp) ); sprintf( Temp, "FPS = %d", Tick); SetWindowText( g_hWnd, Temp); AllTime = 0.0; Tick = 0; } } } //结束循环 注销窗口 主函数返回 UnregisterClass(g_szWindowClass, hInstance); return (int)msg.wParam; } //主函数end //函数定义start //注册类 ATOM MyRegisterClass(HINSTANCE hInstance) { WNDCLASSEX wce; wce.cbClsExtra = 0; wce.cbSize = sizeof(WNDCLASSEX); wce.cbWndExtra = 0; wce.hbrBackground = (HBRUSH)(COLOR_WINDOW+3); wce.hCursor = LoadCursor(NULL, IDC_ARROW); wce.hIcon = LoadIcon(NULL, IDI_HAND); wce.hIconSm = NULL; wce.hInstance = hInstance; wce.lpfnWndProc = (WNDPROC)WndProc; wce.lpszClassName = g_szWindowClass; wce.lpszMenuName = NULL; wce.style = CS_HREDRAW | CS_VREDRAW; return RegisterClassEx(&wce); } //创建窗口 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow) { DWORD dwFramWidth = GetSystemMetrics(SM_CXSIZEFRAME); DWORD dwFramHight = GetSystemMetrics(SM_CYSIZEFRAME); DWORD dwCaptionHight = GetSystemMetrics(SM_CYCAPTION); DWORD dwWindowWidth = g_Width + dwFramWidth * 2; DWORD dwWindowHight = g_Hight + dwFramHight * 2 + dwCaptionHight; RECT rcDesktop; GetWindowRect( GetDesktopWindow(), &rcDesktop ); DWORD dwWinX = ( rcDesktop.right - rcDesktop.left ) / 2 - dwWindowWidth / 2; DWORD dwWinY = ( rcDesktop.bottom - rcDesktop.top ) / 2 - dwWindowHight / 2; g_hInstance = hInstance; g_hWnd = CreateWindow( g_szWindowClass, g_szTitle, WS_OVERLAPPEDWINDOW, dwWinX, dwWinY, dwWindowWidth, dwWindowHight, NULL, NULL, hInstance, NULL ); if(!g_hWnd) { //MessageBox(NULL, "创建窗口失败", "失败", MB_OK); return FALSE; } //AnimateWindow( g_hWnd, 500, AW_CENTER ); ShowWindow( g_hWnd, nCmdShow ); UpdateWindow( g_hWnd ); return TRUE; } //消息处理 LRESULT CALLBACK WndProc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam ) { PAINTSTRUCT ps; HDC hDC; switch( message ) { case WM_DESTROY: PostQuitMessage( 0 ); break; case WM_PAINT: hDC = BeginPaint( hWnd, &ps ); EndPaint( hWnd, &ps ); break; case WM_KEYDOWN: { switch( wParam ) { case VK_ESCAPE: PostQuitMessage( 0 ); break; } } default: return DefWindowProc( hWnd, message, wParam, lParam ); } return 0; } //画图 void Paint( float fElapsed ) { //if( g_pGame ) //{ g_pGame->Draw(); //} } //逻辑更新 void Update( float fElapsed ) { //if( g_pGame ) //{ g_pGame->Update(); //} } //函数定义end