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		Uint8 *keys;		keys = SDL_GetKeyState(NULL);		if (keys[SDLK_w]) {			car2.y += sin(Deg2Rad(car2_angle)) * 2;			car2.x += cos(Deg2Rad(car2_angle)) * 2;		}		if (keys[SDLK_s]) {			car2.y += sin(Deg2Rad(car2_angle)) * 2;			car2.x += cos(Deg2Rad(car2_angle)) * 2;		}		if (keys[SDLK_a]) {			if (++car2_angle >= 360)				car2_angle = 0 + (car2_angle - 360);		}		if (keys[SDLK_d]) {			if (--car2_angle <= 0)				car2_angle = 360 + car2_angle;		}		car.Draw_RotoZoom(screen, 100, 2);		car2.Draw_RotoZoom(screen, car2_angle, 1);