# Interface DestructionListener

public interface DestructionListener
Joints and fixtures are destroyed when their associated body is destroyed. Implement this listener so that you may nullify references to these joints and shapes.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `sayGoodbye(Fixture fixture)`
  Called when any fixture is about to be destroyed due to the destruction of its parent body.
  `void`
  `sayGoodbye(Joint joint)`
  Called when any joint is about to be destroyed due to the destruction of one of its attached bodies.

- ## Method Details

  - ### sayGoodbye

    void sayGoodbye(Joint joint)
    Called when any joint is about to be destroyed due to the destruction of one of its attached bodies.
    Parameters:
      `joint` -

  - ### sayGoodbye

    void sayGoodbye(Fixture fixture)
    Called when any fixture is about to be destroyed due to the destruction of its parent body.
    Parameters:
      `fixture` -