void OnHitboxCollision(Collider other)
{
TrainBox otherBox = other.GetComponent <TrainBox>();
if (otherBox != null)
{
TrainController otherTrain = otherBox.parentTrain;
bool killOtherTrain = otherBox.type == TrainBox.Type.hurt;
if (killOtherTrain)
{
otherTrain.Die();
}
}
}
