   driving turn
  Hello!I've made a car in *.obj files and got them loaded.Car is going straight forward and backwards by void SpecialKeyboardFunc (int key, int x, int y) {radrot = (radrot + 15) % 360;carx= carx+5;   break;    //& handing over the params "radrot" and "carx" to glTranslate and glRotateNow I have the probleme with driving a nice turn? :(I already created some steering-angle: case GLUT_KEY_LEFT: lenkung PLUS= 1;if (lenkung > 35) lenkung =34;I'd like to setup the steer angle before driving the turn.-> Setup angle -> [Press UP for forward] -> now drive a nice turn.I thank you in advance for every help!---Tommy   