Possible areas to improve later today: slope and elevation awareness for object placement. When mountains are tall enough (or far enough pole-ward) they tend to have a treeline, and elevation above which trees do not grow. Also, trees tend to grow less commonly on the steepest portions of mountains, regardless of elevation or latitude. Both of these properties should be fairly easy to implement.
Alas, there is yard work calling for my attention now, so I shall leave the virtual world alone for the moment and focus on the physical realm.
|One hundred fifty thousand trees per 2 km x 2 km page of terrain|