Snake Trapper

GAME: Snake Trapper (scoring not implemented)
AUTHOR: danpost (greenfoot.org username)
DATE: March 1, 2014
OBJECTIVE: trap all snakes so that they are each contained within a single cell.
SCORING: no scoring implemented; try to accomplish the objective while eating the fewest leaves possible
BONUS: the fewer leaves needed to trap a snake gives added bonus
KEYS:
arrow keys to direct wombat
MOUSE: click on buttons along bottom edge to view class codes

XWorld/XActor: support world and actor superclasses
AUTHORS: danpost (greenfoot.org.username)
DATE: September 17, 2013
UPDATED: October 4, 2013
PURPOSE: Provides multiple useful methods for World and Actor subclasses

TEXT: World class
AUTHOR: danpost (greenfoot.org username)
DATE: February 26, 2014
PURPOSE: Displays codes for the classes within the scenario
KEYS:
'up' and 'down' scrolls page
'x' and 'escape' exits text viewing
MOUSE: drag scrollbar handle on right to scroll page