triggering with an entity??

is it possible to trigger something with an entity, like say i pick up
a barrel and throw it into a sertian area (trigger brush) it turns on a
light or what-not

That would be a trigger_once with the Psysics Objects flag checked. With an ouput to the light or whatever to turn it on / blow it up / other

EDIT: If you only want the barrel you need to give the barrel a name and make a filter. I'm not entirely sure how those work.

cheers thats excatly what i wanted to do. i cant beleave i didnt see that

Interesting idea. I haven't used many trigger brushes, but I tried this out and it works great:

Create a trigger_multiple. Set the trigger flag so that it activates on "Physics Objects". Then you can set the output on the trigger "OnTrigger" to to toggle your light. Take your barrel and throw it through the trigger area, and presto :smile:

edit Bah, got that one in a little late :smile: .