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#include <GL/glut.h> #include <GL/GLAux.h> #include <windows.h> #include <iostream> #include <math.h> using namespace std; float points[45][45][3]; int wiggle_count = 0; GLfloat hold; HGLRC hRC = NULL; HDC hDC = NULL; HWND hWnd = NULL; HINSTANCE hInstance = NULL; GLfloat rtri; GLfloat rquad; GLfloat xrot; GLfloat yrot; GLfloat zrot; GLuint texture[1]; BOOL keys[256]; BOOL active = TRUE; BOOL fullscreen = TRUE; LRESULT CALLBACK WndProc( HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam ); AUX_RGBImageRec *LoadBMP(char *Filename) { FILE *File = NULL; if(!Filename) { return NULL; } File = fopen(Filename,"r"); if(File) { fclose(File); return auxDIBImageLoad(Filename); }; return NULL; } int LoadGLTextures() { int Status = FALSE; AUX_RGBImageRec *TextureImage[1]; memset(TextureImage,0,sizeof(void *)*1); if(TextureImage[0] = LoadBMP("Data/Tim.bmp")) { Status = TRUE; glGenTextures(1,&texture[0]); glBindTexture(GL_TEXTURE_2D,texture[0]); glTexImage2D(GL_TEXTURE_2D,0,3,TextureImage[0]->sizeX,TextureImage[0]->sizeY,0 ,GL_RGB,GL_UNSIGNED_BYTE,TextureImage[0]->data); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); }; if(TextureImage[0]) { if(TextureImage[0]->data) { free(TextureImage[0]->data); } free(TextureImage[0]); } return Status; }; GLvoid ReSizeGLScene(GLsizei width,GLsizei height) { if(height == 0) { height = 1; } glViewport(0,0,width,height); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(45.0f,(GLfloat)width/(GLfloat)height, 0.1f,100.0f); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); } int InitGL(GLvoid) { if(!LoadGLTextures()) { return FALSE; } glEnable(GL_TEXTURE_2D); glShadeModel(GL_SMOOTH); glClearColor(0.0f,0.0f,0.0f,0.0f); glClearDepth(1.0f); glEnable(GL_DEPTH_TEST); glDepthFunc(GL_LEQUAL); glHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST); glPolygonMode(GL_BACK,GL_FILL); glPolygonMode(GL_FRONT,GL_LINE); for(int x=0;x<45;x++) { for(int y=0;y<45;y++) { points[x][y][0]=float((x/5.0f)-4.5f); points[x][y][1]=float((y/5.0f)-4.5f); points[x][y][2]=float(sin((((x/5.0f)*40.0f)/360.0f)*3.141592654*2.0f)); } } return TRUE; } int DrawGLScene(GLvoid) { int x,y; float float_x,float_y,float_xb,float_yb; glClear(GL_COLOR_BUFFER_BIT |GL_DEPTH_BUFFER_BIT); glLoadIdentity(); glTranslatef(0.0f,0.0f,-12.0f); glRotatef(xrot,1.0f,0.0f,0.0f); glRotatef(yrot,0.0f,1.0f,0.0f); glRotatef(zrot,0.0f,0.0f,1.0f); glBindTexture(GL_TEXTURE_2D, texture[0]); glBegin(GL_QUADS); for( x = 0; x < 44; x++ ) { for( y = 0; y < 44; y++ ) { float_x = float(x)/44.0f; float_y = float(y)/44.0f; float_xb = float(x+1)/44.0f; float_yb = float(y+1)/44.0f; glTexCoord2f( float_x, float_y); glVertex3f( points[x][y][0], points[x][y][1], points[x][y][2] ); glTexCoord2f( float_x, float_yb ); glVertex3f( points[x][y+1][0], points[x][y+1][1], points[x][y+1][2] ); glTexCoord2f( float_xb, float_yb ); glVertex3f( points[x+1][y+1][0], points[x+1][y+1][1], points[x+1][y+1][2] ); glTexCoord2f( float_xb, float_y ); glVertex3f( points[x+1][y][0], points[x+1][y][1], points[x+1][y][2] ); } } glEnd(); if(wiggle_count==2) { for(y=0;y<45;y++) { hold = points[0][y][2]; for(x=0;x<44;x++) { points[x][y][2] = points[x+1][y][2]; } points[44][y][2]=hold; } wiggle_count = 0; } wiggle_count++; xrot+=0.3f; yrot+=0.2f; zrot+=0.4f; return TRUE; } GLvoid KillGLWindow(GLvoid) { if(fullscreen) { ChangeDisplaySettings(NULL,0); ShowCursor(TRUE); } if(hRC) { if(!wglMakeCurrent(NULL,NULL)) { MessageBox(NULL,"释放DC或RC失败。","关闭错误" ,MB_OK | MB_ICONINFORMATION); } if(!wglDeleteContext(hRC)) { MessageBox(NULL,"释放RC失败","关闭错误", MB_OK | MB_ICONINFORMATION); } hRC = NULL; } if(hDC && !ReleaseDC(hWnd,hDC)) { MessageBox(NULL,"释放DC失败","关闭错误", MB_OK | MB_ICONINFORMATION); hDC = NULL; } if(hWnd && !DestroyWindow(hWnd)) { MessageBox(NULL,"释放窗口句柄失败","关闭错误", MB_OK |MB_ICONINFORMATION); hWnd = NULL; } if(!UnregisterClass("OpenG",hInstance)) { MessageBox(NULL,"","",MB_OK | MB_ICONINFORMATION); hInstance = NULL; } } BOOL CreateGLWindow(char* title,int width, int height ,int bits,bool fullscreenflag) { GLuint PixelFormat; WNDCLASS wc; DWORD dwExStyle; DWORD dwStyle; RECT WindowRect; WindowRect.left = (long)0; WindowRect.right = (long)width; WindowRect.top = (long)0; WindowRect.bottom = (long)height; fullscreen = fullscreenflag; hInstance = GetModuleHandle(NULL); wc.style = CS_HREDRAW |CS_VREDRAW | CS_OWNDC; wc.lpfnWndProc = (WNDPROC)WndProc; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hInstance = hInstance; wc.hIcon = LoadIcon(NULL,IDI_WINLOGO); wc.hCursor = LoadCursor(NULL,IDC_ARROW); wc.hbrBackground = NULL; wc.lpszMenuName = NULL; wc.lpszClassName = "openG"; if(!RegisterClass(&wc)) { MessageBox(NULL,"注册窗口失败","错误", MB_OK |MB_ICONEXCLAMATION); return FALSE; } if(fullscreen) { DEVMODE dmScreenSettings; memset(&dmScreenSettings,0, sizeof(dmScreenSettings)); dmScreenSettings.dmSize = sizeof(dmScreenSettings); dmScreenSettings.dmPelsWidth = width; dmScreenSettings.dmPelsHeight = height; dmScreenSettings.dmBitsPerPel = bits; dmScreenSettings.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT; if(ChangeDisplaySettings(&dmScreenSettings, CDS_FULLSCREEN)!=DISP_CHANGE_SUCCESSFUL) { if(MessageBox(NULL,"全屏模式在当前显卡上设置失败！\n需要在窗口模式下进行显示吗？", "MyOpenGLWindows",MB_YESNO|MB_ICONEXCLAMATION)==IDYES) { fullscreen = FALSE; } else { MessageBox(NULL,"程序将被关闭","错误",MB_OK | MB_ICONSTOP); return FALSE; } } } if(fullscreen) { dwExStyle = WS_EX_APPWINDOW; dwStyle = WS_POPUP; ShowCursor(FALSE); } else { dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE; dwStyle = WS_OVERLAPPEDWINDOW; }; AdjustWindowRectEx(&WindowRect,dwStyle,FALSE,dwExStyle); if(!(hWnd = CreateWindowEx(dwExStyle,"openG",title,WS_CLIPSIBLINGS | WS_CLIPCHILDREN | dwStyle,0,0,WindowRect.right-WindowRect.left,WindowRect.bottom-WindowRect.top, NULL,NULL,hInstance,NULL))) { KillGLWindow(); MessageBox(NULL,"创建窗口失败！","MyOpenGLWindow",MB_OK | MB_ICONEXCLAMATION); return FALSE; }; static PIXELFORMATDESCRIPTOR pfd = { sizeof(PIXELFORMATDESCRIPTOR),1,PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL |PFD_DOUBLEBUFFER ,PFD_TYPE_RGBA,bits,0,0,0,0,0,0, 0, 0, 0, 0,0,0,0, 16, 0, 0, PFD_MAIN_PLANE, 0, 0,0,0 }; if(!(hDC = GetDC(hWnd))) { KillGLWindow(); MessageBox(NULL,"不能创建一种相匹配的像素格式！","MyOpenGLWindow", MB_OK|MB_ICONEXCLAMATION); return FALSE; }; if(!(PixelFormat = ChoosePixelFormat(hDC,&pfd))) { KillGLWindow(); MessageBox(NULL,"不能设置像素格式！","MyOpenGLWindow",MB_OK|MB_ICONEXCLAMATION); return FALSE; }; if(!SetPixelFormat(hDC,PixelFormat,&pfd)) { KillGLWindow(); MessageBox(NULL,"不能设置像素格式","MyOpenGLWindow",MB_OK|MB_ICONEXCLAMATION); return FALSE; } if(!(hRC = wglCreateContext(hDC))) { KillGLWindow(); MessageBox(NULL,"不能创建OpenGL渲染描述表","MyOpenGLWindow", MB_OK|MB_ICONEXCLAMATION); return FALSE; }; if(!wglMakeCurrent(hDC,hRC)) { KillGLWindow(); MessageBox(NULL,"激活渲染描述表失败！","MyOpenGLWindow",MB_OK|MB_ICONEXCLAMATION); return FALSE; }; ShowWindow(hWnd,SW_SHOW); SetForegroundWindow(hWnd); SetFocus(hWnd); ReSizeGLSce