the paint fx not rendering could be because of the fact that with the depth buffer renderer it is seeing the pfx as sitting behind an object. So because it doesn't take transparency into account unless you turn on raytracing it wont render it.

You can't raytrace a post effect e.g. your glows .You have to do it in post using something like ID layers to grab the part you want to glow and then increasing brightness and blurring it and then comping it back over the top.

The room problem sounds like a clipping plane problem. Go to your camera Attribute editor and change the near clipping plane to a small number and you should see all of the floor.


A