% A 1.5-by-1.5 room with lower left corner at (-.2,-.2).
% Top wall is "guarded" by virtual wall

% left wall
wall -.22 1.3 -.22 -.22
% bottom wall
wall -.22 -.22 1.3 -.22
% right wall
wall 1.3 -.22 1.3 1.3
% Virtual wall
virtwall 2.5 1.3 2.9 2

% floor markings
line .7 .4 .9 .9
line .3 .5 .7 .4
line .3 .8 .3 .2
