removing scene nodes mid-simulation

cheesyPoof · Post by **cheesyPoof** » Tue Dec 06, 2005 5:14 pm

quick question...

during the course of a simulation i have, there are some entities, (with underlying scene nodes), which have a finite "lifespan". when thier time is up i call node->drop(), or node->remove().

right there i get a segfault (in linux).

probably the scenemanager is trying to reference that node still?

is there a proper way to remove a scene node from the graph without causing a crash?

Conquistador · Post by **Conquistador** » Tue Dec 06, 2005 5:17 pm

If it's not too big an issue, you could just put setVisible(false), but I'm sure there's actuall;y a way to remove a scene node and free the memory without a crash.

pfo · Post by **pfo** » Tue Dec 06, 2005 6:41 pm

There is, its called node->remove(); Do not call drop on nodes, only call drop on anything allocated with a function with 'create' in its name (like createFileList(), or createXMLReader() ).

cheesyPoof · Post by **cheesyPoof** » Tue Dec 06, 2005 7:11 pm

i get a segfault on the node->remove() call itself.

pfo · Post by **pfo** » Tue Dec 06, 2005 7:17 pm

where are you removing the node at in your code? Are you sure the poiinter is valid?

cheesyPoof · Post by **cheesyPoof** » Tue Dec 06, 2005 7:59 pm

nevermind. my code is trying to call node->remove() multiple times on the same node, which after the first time does not exits in the scenegraph anymore.

my bad. thx for the help though!