int main(int argc, char** argv){
	startTime = clock();
	glutInit(&argc, argv);
	cam = new Camera(start, center, up);
	setupWindow();
//	switchGameMode(); (when I comment out setupWindow and uncomment this, it launches into game mode and works correctly, but then there's no window mode
	glutMainLoop();
}

void myKeyboard(unsigned char key, int x, int y){
	int a = x; a = y; // do nothing, get rid of compiler warnings
	switch(key){
		case 'f': switchGameMode(); 
			break;
		// other cases to handle camera movement controls
	}
}

void myDisplay(){
	float matrix[16] = {1.0, 0, 0, 0, 0, 1.0, 0, 0, 0, 0, 1.0, 0, 0, 0, 0, 1.0};
	GLfloat mat_ambient[] = {1.0f, 0.0f, 0.0f, 1.0f}; // red
	GLfloat mat_diffuse[] = {1.0, 0.0f, 0.0f, 1.0f};
	GLfloat mat_specular[] = {1.0f, 0.0f, 0.0f, 1.0f};
	GLfloat mat_shininess[] = {50.0f};
	glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
	glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
	glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
	glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
	GLfloat lightIntensity[] = {.7f, .7f, .7f, 1.0f};
	GLfloat light_position[] = {2.0f, 6.0f, 3.0f, 0.0f};
	glLightfv(GL_LIGHT0, GL_POSITION, light_position);
	glLightfv(GL_LIGHT0, GL_DIFFUSE, lightIntensity);
	glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	glLoadIdentity();
	cam->setModelViewMatrix();
	glPushMatrix();
	clock_t endTime = clock();
	double elapsedTime = endTime - startTime;
	glTranslated(-10 + 3*sin((elapsedTime*1.0)/CLOCKS_PER_SEC), 2*cos((elapsedTime*1.0)/CLOCKS_PER_SEC), 4*sin((elapsedTime*1.0)/CLOCKS_PER_SEC));
	glRotated(elapsedTime*50.0/CLOCKS_PER_SEC, 3*sin(3*elapsedTime/CLOCKS_PER_SEC), 4*cos(2*elapsedTime/CLOCKS_PER_SEC), 1*sin(5*elapsedTime/CLOCKS_PER_SEC));
	glutSolidCone(3, 3, 50, 4); // magic numbers!
	glPopMatrix();
	glFlush();
	glutSwapBuffers();
}

void idle(){
	glutPostRedisplay();
}

void switchGameMode(){
	static bool gameMode = false;
	gameMode = !gameMode;
	if(gameMode){
		glutGameModeString("1024x768:32");
		if(glutGameModeGet(GLUT_GAME_MODE_POSSIBLE)){
			cout << "game mode possible" << endl;
			glutSetWindow(glutEnterGameMode());
			setupGameWindow();
		}
		else{
			cout << "game mode not possible!" << endl;
			exit(1);
		}
		if(glutGameModeGet(GLUT_GAME_MODE_ACTIVE))
			cout << "game mode active!\n";
		else
			cout << "game mode not active!\n";
	}
	else{
		cout << "leaving" << endl;
		glutLeaveGameMode();
	}
}
void setupWindow(){
	cout << "setting up main window\n";
	glutInitWindowSize(640, 480);
	glutInitWindowPosition(50, 50);
	glutCreateWindow("GLUT playground");
	glutKeyboardFunc(myKeyboard);
	glutDisplayFunc(myDisplay);
	glutIdleFunc(idle);
	glutInitFunction();
	cam->setShape(30.0f, 64.0f/48.0f, 1.0f, 200.0f);
}

void setupGameWindow(){
	cout << "setting up game window\n";
	glutKeyboardFunc(myKeyboard);
	glutDisplayFunc(myDisplay);
	glutIdleFunc(idle);	
	glutInitFunction();
	cam->setShape(30.0f, 1024.0f/768.0f, 1.0f, 200.0f);
}

void glutInitFunction(){
	glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
	glEnable(GL_LIGHTING);
	glEnable(GL_LIGHT0);
	glShadeModel(GL_SMOOTH);
	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
	glEnable(GL_DEPTH_TEST);
	glEnable(GL_NORMALIZE);
	glEnable(GL_TEXTURE_2D);
	glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
	glColor3f(1.0f, 0.0f, 0.0f);
	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();
	cam->setModelViewMatrix();
}