Modified default grassHeight.
Added an age variable.
Increment age on each move method run.
On evaluating weighted distance to target, take into account age of walker.
The older the walker, the less it will care about the grass height.
Reduced(to 0) grass growth.
Reduced the trample amounts.
Even with increased grass heights, this no longer matters as grass growth is currently disabled.
Merged attempt1.
Merged attempt2.
Re-added the lost changes to the Walker weighted movement.
Take 2: Re-added the lost changes to the Walker weighted movement.
Small Change.