Single

trait Single:
    .doc: """
    With this trait the excavator swing joint is modelled as a simple hinge joint.
    """

    chassis becomes MachineModeling.Components.Primitive.Base with Excavator.Interfaces.SwingJoint.Single reference
    undercarriage becomes MachineModeling.Components.Primitive.Base with Excavator.Interfaces.SwingJoint.Single reference

    initial_angle is Real: 0.0

    joint is MachineModeling.Connections.Pivot.Hinge:
        from: chassis.swing_connector
        to: undercarriage.swing_connector
        hinge.initial_angle: this.initial_angle