/* Rotation d'un cube en utilisant la matrice d'objet. On actualise* l'affichage dès que l'angle a changé. */ #include "glut_import.h" #include "application.h" #include "vect.h" class DemoWindow:public Window{ float phi,theta; public: DemoWindow():Window("Fenêtre de démonstration"){}; void onCreate(){ phi=0; theta=0; printf("Utiliser les fleches de direction du calvier pour faire tourner le cube\nAppuyer sur [ESCAPE] pour quitter\n"); }; void onSpecial(int key,int x,int y){ switch (key){ case GLUT_KEY_LEFT: theta-=10; break; case GLUT_KEY_RIGHT: theta+=10; break; case GLUT_KEY_DOWN: phi-=10; break; case GLUT_KEY_UP: phi+=10; break; } redisplay(); }; void onReshape(int width,int height){ glViewport(0,0,width,height); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(70,(float) width/height,0.1,10); gluLookAt(0,0,4,0,0,0,0,1,0); }; void onDisplay(){ int T[8][3]={ {-1,-1,-1}, {+1,-1,-1},{-1,+1,-1},{-1,-1,+1}, {+1,+1,-1},{-1,+1,+1},{+1,-1,+1}, {+1,+1,+1} }; glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glRotatef(phi,1,0,0); glRotatef(theta,0,1,0); glClear(GL_COLOR_BUFFER_BIT); glBegin(GL_LINES); glVertex3iv(T[0]); glVertex3iv(T[1]); glVertex3iv(T[0]); glVertex3iv(T[2]); glVertex3iv(T[0]); glVertex3iv(T[3]); glVertex3iv(T[1]); glVertex3iv(T[4]); glVertex3iv(T[2]); glVertex3iv(T[5]); glVertex3iv(T[3]); glVertex3iv(T[6]); glVertex3iv(T[4]); glVertex3iv(T[7]); glVertex3iv(T[5]); glVertex3iv(T[7]); glVertex3iv(T[1]); glVertex3iv(T[6]); glVertex3iv(T[2]); glVertex3iv(T[4]); glVertex3iv(T[3]); glVertex3iv(T[5]); glVertex3iv(T[6]); glVertex3iv(T[7]); glEnd(); glFlush(); glutSwapBuffers(); }; }; int main(){ DemoWindow w; Application::run(); }