Gets the rotational inertia of the body.

The rotational inertia is how hard is it to make the body spin.

== Function ==
=== Synopsis ===
<source lang="lua">
inertia = Body:getInertia( )
</source>
=== Arguments ===
None.
=== Returns ===
{{param|number|inertia|The rotational inertial of the body.}}
== See Also ==
* [[parent::Body]]
* [[Body:setInertia]]
* [[Body:getMassData]]
[[Category:Functions]]
{{#set:Description=Gets the rotational inertia of the body.}}
{{#set:Since=000}}

== Other Languages ==
{{i18n|Body:getInertia}}