function [ wall ] = VerticalWall( x, y )
%UNTITLED4 Summary of this function goes here
%   Detailed explanation goes here
    wall = [x, y; x, y+.1; x, y+.2; x, y+.3; x, y+.4; x, y+.5; x, y+.6; x, y+.7; x, y+.8; x, y+.9]; 
end