Hi,
I have a problem with my project. If I activate glutIdleFunc() after several minutes I have a bad performance problem, slow framerate and I need to forced exit from the program.
I tried with a very simple idle func but I have always the same problem:
idle func:
void SelectionScene::animate()
{
time = glutGet(GLUT_ELAPSED_TIME);
timediff = time - timeprec;
timeprec = time;
const float ySpeed = 1.0f;yRotation += ySpeed * timediff/14; if (yRotation > 360.0f) { yRotation -= 360.0f; }
glutPostRedisplay();
}
main
void display();
void animate();
void reshape(int width, int height);
void mouseFunc(int,int,int,int);
void keyboardFunc(unsigned char, int, int);
void specialKeyboardFunc(int, int, int);
void changeScene();
//StartMenu start;
GameScene *game;
StartMenu *start;
SelectionScene *selection;
//GamePhase *game;
extern State CURRENTSTATE;
int main (int argc, char ** argv)
{
myWindow window1;
window1.init(argc, argv);StartMenu s; SelectionScene sl; GameScene g; Debug d; start = &s; selection = &sl; game = &g;
// debug = &d;
/* switch (CURRENTSTATE) {
case STARTMENU:
{
cout << “yes” << endl;
StartMenu start;
game = &start;
break;
}
case SELECTION:
{
SelectionScene selection;
game = &selection;
break;
}
case GAME:
{
GameScene g;
game = &g;
break;
}
default:
exit(1);
}*/
glutReshapeFunc(reshape); glutIdleFunc(animate);
window1.render(&display);
window1.mouse(&mouseFunc);
window1.keyboard(&keyboardFunc);
window1.specialKeyboard(&specialKeyboardFunc);
// game->setTime(glutGet(GLUT_ELAPSED_TIME));
//glutIdleFunc(animate);glutMainLoop();
return 0;
}
void display()
{glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glEnable(GL_DEPTH_TEST); glDisable(GL_CULL_FACE);
glLoadIdentity();
cout << glGetString(GL_VENDOR) << endl; cout << glGetString(GL_RENDERER) << endl;
switch (CURRENTSTATE) { case STARTMENU: if(start->initialize()) { start->render(); } break; case SELECTION: if(selection->initialize()) { selection->render(); } break; case GAME: if(game->initialize()) { game->render(); } break; default: exit(1); }
/* if(game->initialize()) {
game->render();
}*/
glutSwapBuffers();
sleep(0.7);
}
void reshape(int width, int height)
{
switch (CURRENTSTATE) {
case STARTMENU:
start->reshape(width, height);
break;case SELECTION: { selection->reshape(width, height); break; } case GAME: game->reshape(width, height); break; case DEB: // debug->reshape(width, height); break; default: exit(1); }
// game->reshape(width, height);
}
void animate()
{
switch (CURRENTSTATE) {
case SELECTION:
selection->animate();
break;
case GAME:
game->animate();
break;
case DEB:
// debug->animate();
break;
default:
break;
}// sleep(1);
// game->animate();
}