Irrlicht Engine

I can load the city model in meshviewer example but I can't load the city model in collision example or I can't see the city model in collision example. I saw the faerie.md2 model appear for a second before moving off the screen in collision example. How do I slow down the first person camera in mes...

How do I modify the source code for the collision example to load a different 3D mesh file that's not in a compressed file? The collision example loads "map-20kdm2.pk3" compressed file and loads "20kdm2.bsp" 3D mesh from the compressed file. For example, I wish to load "city...

Which 3D model file format support collision without having to create other files? One of the tutorials on Irrlicht's web site showed me how to load a 3D model and have collision checking. I would like to create a virtual city.