# World:getCallbacks

Returns functions for the callbacks during the world update.

## Function

Available since LÖVE 0.8.0
This variant is not supported in earlier versions.

### Synopsis

    beginContact, endContact, preSolve, postSolve = World:getCallbacks( )

### Arguments

None.

### Returns

`function beginContact`
  Gets called when two fixtures begin to overlap.
`function endContact`
  Gets called when two fixtures cease to overlap.
`function preSolve`
  Gets called before a collision gets resolved.
`function postSolve`
  Gets called after the collision has been resolved.

## Function

Removed in LÖVE 0.8.0
This variant is not supported in that and later versions.

### Synopsis

    add, persist, remove, result = World:getCallbacks( )

### Arguments

None.

### Returns

`function add`
  Called when two shapes first collide.
`function persist`
  Called each frame, if collision lasts more than 1 frame.
`function remove`
  Called when two shapes finish colliding.
`function result`
  No idea. Never seems to be called...

## See Also

- World

##

Category:

- Functions