ogl_vertex_data转动的正方体的融合.rar_opengl_opengl vertex_opengl 立方体_旋转立

//----------------------------------------------------------------------------- // Name: ogl_vertexdata.cpp // Author: Kevin Harris (kevin@codesampler.com) // Last Modified: 02/01/05 // Description: This sample demonstrates how to create 3D geometry with // OpenGL by loading vertex data into a Vertex Array. //----------------------------------------------------------------------------- #define STRICT #define WIN32_LEAN_AND_MEAN #include <windows.h> #include <stdlib.h> #include <stdio.h> #include <mmsystem.h> #include <GL/gl.h> #include <GL/glu.h> #include <GL/glaux.h> #include "resource.h" //----------------------------------------------------------------------------- // GLOBALS //----------------------------------------------------------------------------- HWND g_hWnd = NULL; HDC g_hDC = NULL; HGLRC g_hRC = NULL; GLuint g_textureID = -1; float g_fElpasedTime; double g_dCurrentTime; double g_dLastTime; struct Vertex { float tu, tv; float x, y, z; }; Vertex g_cubeVertices[] = { { 0.0f,0.0f, -1.0f,-1.0f, 1.0f }, { 1.0f,0.0f, 1.0f,-1.0f, 1.0f }, { 1.0f,1.0f, 1.0f, 1.0f, 1.0f }, { 0.0f,1.0f, -1.0f, 1.0f, 1.0f }, { 1.0f,0.0f, -1.0f,-1.0f,-1.0f }, { 1.0f,1.0f, -1.0f, 1.0f,-1.0f }, { 0.0f,1.0f, 1.0f, 1.0f,-1.0f }, { 0.0f,0.0f, 1.0f,-1.0f,-1.0f }, { 0.0f,1.0f, -1.0f, 1.0f,-1.0f }, { 0.0f,0.0f, -1.0f, 1.0f, 1.0f }, { 1.0f,0.0f, 1.0f, 1.0f, 1.0f }, { 1.0f,1.0f, 1.0f, 1.0f,-1.0f }, { 1.0f,1.0f, -1.0f,-1.0f,-1.0f }, { 0.0f,1.0f, 1.0f,-1.0f,-1.0f }, { 0.0f,0.0f, 1.0f,-1.0f, 1.0f }, { 1.0f,0.0f, -1.0f,-1.0f, 1.0f }, { 1.0f,0.0f, 1.0f,-1.0f,-1.0f }, { 1.0f,1.0f, 1.0f, 1.0f,-1.0f }, { 0.0f,1.0f, 1.0f, 1.0f, 1.0f }, { 0.0f,0.0f, 1.0f,-1.0f, 1.0f }, { 0.0f,0.0f, -1.0f,-1.0f,-1.0f }, { 1.0f,0.0f, -1.0f,-1.0f, 1.0f }, { 1.0f,1.0f, -1.0f, 1.0f, 1.0f }, { 0.0f,1.0f, -1.0f, 1.0f,-1.0f } }; //----------------------------------------------------------------------------- // PROTOTYPES //----------------------------------------------------------------------------- int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow); LRESULT CALLBACK WindowProc(HWND g_hWnd, UINT msg, WPARAM wParam, LPARAM lParam); void loadTexture(void); void init(void); void render(void); void shutDown(void); //----------------------------------------------------------------------------- // Name: WinMain() // Desc: The application's entry point //----------------------------------------------------------------------------- int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow ) { WNDCLASSEX winClass; MSG uMsg; memset(&uMsg,0,sizeof(uMsg)); winClass.lpszClassName = "MY_WINDOWS_CLASS"; winClass.cbSize = sizeof(WNDCLASSEX); winClass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; winClass.lpfnWndProc = WindowProc; winClass.hInstance = hInstance; winClass.hIcon = LoadIcon(hInstance, (LPCTSTR)IDI_OPENGL_ICON); winClass.hIconSm = LoadIcon(hInstance, (LPCTSTR)IDI_OPENGL_ICON); winClass.hCursor = LoadCursor(NULL, IDC_ARROW); winClass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH); winClass.lpszMenuName = NULL; winClass.cbClsExtra = 0; winClass.cbWndExtra = 0; if( !RegisterClassEx(&winClass) ) return E_FAIL; g_hWnd = CreateWindowEx( NULL, "MY_WINDOWS_CLASS", "OpenGL - Vertex Data", WS_OVERLAPPEDWINDOW | WS_VISIBLE, 0, 0, 640, 480, NULL, NULL, hInstance, NULL ); if( g_hWnd == NULL ) return E_FAIL; ShowWindow( g_hWnd, nCmdShow ); UpdateWindow( g_hWnd ); init(); while( uMsg.message != WM_QUIT ) { if( PeekMessage( &uMsg, NULL, 0, 0, PM_REMOVE ) ) { TranslateMessage( &uMsg ); DispatchMessage( &uMsg ); } else { g_dCurrentTime = timeGetTime(); g_fElpasedTime = (float)((g_dCurrentTime - g_dLastTime) * 0.001); g_dLastTime = g_dCurrentTime; render(); } } shutDown(); UnregisterClass( "MY_WINDOWS_CLASS", winClass.hInstance ); return uMsg.wParam; } //----------------------------------------------------------------------------- // Name: WindowProc() // Desc: The window's message handler //----------------------------------------------------------------------------- LRESULT CALLBACK WindowProc( HWND g_hWnd, UINT msg, WPARAM wParam, LPARAM lParam ) { switch( msg ) { case WM_KEYDOWN: { switch( wParam ) { case VK_ESCAPE: PostQuitMessage(0); break; } } break; case WM_SIZE: { int nWidth = LOWORD(lParam); int nHeight = HIWORD(lParam); glViewport(0, 0, nWidth, nHeight); glMatrixMode( GL_PROJECTION ); glLoadIdentity(); gluPerspective( 45.0, (GLdouble)nWidth / (GLdouble)nHeight, 0.1, 100.0); } break; case WM_CLOSE: { PostQuitMessage(0); } case WM_DESTROY: { PostQuitMessage(0); } break; default: { return DefWindowProc( g_hWnd, msg, wParam, lParam ); } break; } return 0; } //----------------------------------------------------------------------------- // Name: loadTexture() // Desc: //----------------------------------------------------------------------------- void loadTexture( void ) { AUX_RGBImageRec *pTextureImage = auxDIBImageLoad( ".\\test.bmp" ); if( pTextureImage != NULL ) { glGenTextures( 1, &g_textureID ); glBindTexture( GL_TEXTURE_2D, g_textureID ); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glTexImage2D( GL_TEXTURE_2D, 0, 3,pTextureImage->sizeX,pTextureImage->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE,pTextureImage->data ); } if( pTextureImage != NULL ) { if( pTextureImage->data != NULL ) free( pTextureImage->data ); free( pTextureImage ); } } //----------------------------------------------------------------------------- // Name: init() // Desc: //----------------------------------------------------------------------------- void init( void ) { GLuint PixelFormat; PIXELFORMATDESCRIPTOR pfd; memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR)); pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); pfd.nVersion = 1; pfd.dwFlags = PFD_DRAW_TO_WINDOW |PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER; pfd.iPixelType = PFD_TYPE_RGBA; pfd.cColorBits = 16; pfd.cDepthBits = 16; g_hDC = GetDC( g_hWnd ); PixelFormat = ChoosePixelFormat( g_hDC, &pfd ); SetPixelFormat( g_hDC, PixelFormat, &pfd); g_hRC = wglCreateContext( g_hDC ); wglMakeCurrent( g_hDC, g_hRC ); loadTexture(); glClearColor( 0.0f, 0.0f, 0.0f, 1.0f ); glEnable( GL_TEXTURE_2D ); glEnable( GL_DEPTH_TEST ); glMatrixMode( GL_PROJECTION ); glLoadIdentity(); gluPerspective( 45.0f, 640.0f / 480.0f, 0.1f, 100.0f); } //----------------------------------------------------------------------------- // Name: shutDown() // Desc: //----------------------------------------------------------------------------- void shutDown(void) { glDeleteTextures( 1, &g_textureID ); if( g_hRC != NULL ) { wglMakeCurrent( NULL, NULL ); wglDeleteContext( g_hRC ); g_hRC = NULL; } if( g_hDC != NULL ) { ReleaseDC( g_hWnd, g_hDC ); g_hDC = NULL; } } //----------------------------------------------------------------------------- // Name: render() // Desc: //----------------------------------------------------------------------------- void render(void) { glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_B