car->setPart('rightdoor', new Parts\Door()); $this->car->setPart('leftDoor', new Parts\Door()); } public function addEngine() { $this->car->setPart('engine', new Parts\Engine()); } public function addWheel() { $this->car->setPart('wheelLF', new Parts\Wheel()); $this->car->setPart('wheelRF', new Parts\Wheel()); $this->car->setPart('wheelLR', new Parts\Wheel()); $this->car->setPart('wheelRR', new Parts\Wheel()); } public function createVehicle() { $this->car = new Parts\Car(); } public function getVehicle() { return $this->car; } }