AbstractTile
class, represents the
environment except the route, like it could be a tree, a sidewalk or a gas
station.EnvTile
class, calls the constructor of the
super-class AbstractTile
and assigns value 0 to the
field AbstractTile.possibleWays
.AbstractTile
class, represents the
grass.EnvTile.Base
class, call the constructor of the
super-class EnvTile
.