gets when an box2dentity begins contact with a platform used for when the player begins contact with a platform concode_field_sep ContactManager contactManager concode_elem_sep Player player concode_field_sep ContactManager createInstance concode_elem_sep void endContact concode_elem_sep void preSolve concode_elem_sep void postSolve concode_elem_sep void deleteInstance
void function ( Contact arg0 ) { player . setOnGround ( true ) ; }