Add a "idle" method to the state structure
[neverball] / data / geom /
drwxr-xr-x   ..
drwxr-xr-x - back
drwxr-xr-x - beam
drwxr-xr-x - flag
drwxr-xr-x - goal
drwxr-xr-x - jump
drwxr-xr-x - mark
drwxr-xr-x - vect