For the same reason, this class cannot handle multiple database. A existing database and a simple test program AmosTest are also available for testing purpose. You can get them under Ann's directory. To view the 3d world, make sure you have all the .java files in the same directory. PokemonWorld You will see the two Pokemon Spheres cruise around the world and their score is kept up top.
Collision is evident when they change color.
The problem with adding the floor is that I have not been able to set the bounds correctly and thus the Pokemon objects will always be illuminated because they think they are colliding with the floor.