{{newin|[[0.8.0]]|080|type=method}}
Sets a function for collision filtering.

If the group and category filtering doesn't generate a collision decision, this function gets called with the two fixtures as arguments. The function should return a boolean value where true means the fixtures will collide and false means they will pass through each other.
== Function ==
=== Synopsis ===
<source lang="lua">
World:setContactFilter( filter )
</source>
=== Arguments ===
{{param|function|filter|The function handling the contact filtering.}}
=== Returns ===
Nothing.
== See Also ==
* [[parent::World]]
[[Category:Functions]]
{{#set:Description=Sets a function for collision filtering.}}
{{#set:Since=080}}
== Other Languages ==
{{i18n|World:setContactFilter}}