Contains settings for motors which act on three degrees of freedom.
Inheritance: MotorSettings
        /// <summary>
        /// Constructs a new single body linear motor.  This motor will try to move a single entity to a goal velocity or to a goal position.
        /// </summary>
        /// <param name="entity">Entity to affect.</param>
        /// <param name="point">Point in world space attached to the entity that will be motorized.</param>
        public SingleEntityLinearMotor(Entity entity, Vector3 point)
        {
            Entity = entity;
            Point = point;

            settings = new MotorSettings3D(this) {servo = {goal = point}};
            //Not really necessary, just helps prevent 'snapping'.
        }
 /// <summary>
 /// Constructs a new single body linear motor.  This motor will try to move a single entity to a goal velocity or to a goal position.
 /// This constructor will start the motor with isActive = false.
 /// </summary>
 public SingleEntityLinearMotor()
 {
     settings = new MotorSettings3D(this);
     IsActive = false;
 }