3D obstacle used in navigation for collision avoidance.
</brief_description>
<description>
3D obstacle used in navigation for collision avoidance. The obstacle needs navigation data to work correctly. This can be done by having the obstacle as a child of a [Navigation] node, or using [method set_navigation]. [NavigationObstacle] is physics safe.
</description>
<tutorials>
</tutorials>
<methods>
<methodname="get_navigation"qualifiers="const">
<returntype="Node"/>
<description>
Returns the [Navigation] node that the obstacle is using for its navigation system.