Contact:getChildren
 Available since LÖVE 0.9.0  
 This function is not supported in earlier versions. 
Gets the child indices of the shapes of the two colliding fixtures. For ChainShapes, an index of 1 is the first edge in the chain.
Used together with Fixture:rayCast or ChainShape:getChildEdge.
Function
Synopsis
indexA, indexB = Contact:getChildren( )
Arguments
None.
Returns
number indexA- The child index of the first fixture's shape.
 number indexB- The child index of the second fixture's shape.
 
See Also
    © 2006–2020 LÖVE Development Team
Licensed under the GNU Free Documentation License, Version 1.3.
    https://love2d.org/wiki/Contact:getChildren