GLUT C++开发框架

// G_Window.cpp: implementation of the G_Window class. // ////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "G_Window.h" ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// G_Window::G_Window() { } G_Window::~G_Window() { } GLboolean G_Window::glInit(){ glClearColor(1.0f,1.0f,1.0f,1.0); glColor3f(1.0f,0.0f,0.0f); return true; } GLvoid G_Window::gtInitCallBacks(){ glutDisplayFunc(gtDraw); glutKeyboardFunc(gtKeyboard); glutReshapeFunc(gtReshape); glutMouseFunc(gtMouse); glutIdleFunc(gtDraw); } GLvoid G_Window::gtDraw(){ glClear(GL_COLOR_BUFFER_BIT); glPointSize(4.0); glBegin(GL_POINTS); glVertex2f(0,0); glEnd(); glutSwapBuffers(); glFlush(); } GLvoid G_Window::gtKeyboard(unsigned char key,GLint x,GLint y){ switch(key){ case 27: PostQuitMessage(0); break; default:break; } } GLvoid G_Window::gtReshape(GLint w,GLint h){ if(w<1) w=1; if(h<1) h=1; glViewport(0,0,w,h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); // gluOrtho2D(0,w,0,h); } GLvoid G_Window::gtMouse(GLint button,GLint state,GLint x,GLint y){ switch(button){ case GLUT_LEFT_BUTTON: if(state==GLUT_DOWN) {//Add your code hear MessageBox(NULL,"Left has pressed","Message",MB_OK); } break; case GLUT_RIGHT_BUTTON: if(state==GLUT_DOWN) {//Add your code hear MessageBox(NULL,"Right has pressed","Message",MB_OK); } break; case GLUT_MIDDLE_BUTTON: if(state==GLUT_DOWN) {//Add your code hear MessageBox(NULL,"Middle has pressed","Message",MB_OK); } break; } }