RoBOTL

Coordinates

The World of RoBOTL is defined as a 20x20 grid of squares. Each square is represented by an ordered pair (x,y) of positive integers ranging from 0 through 19, separated by a comma. Examples of coordinates include:

0,0   (the southwest corner)
0,19  (the northwest corner)
19,0  (the southeast corner)
19,19 (the northeast corner)

The grid squares are identified as:

                            NORTH
  +-------+-------+-------+-------+-------+-------+-------+
  |       |       |       |       |       |       |       |
  |  0,19 |  1,19 |  2,19 |  ...  | 17,19 | 18,19 | 19,19 |
  |       |       |       |       |       |       |       |
  +-------+-------+-------+       +-------+-------+-------+
  |       |       |       |       |       |       |       |
  |  0,18 |  1,18 |  2,18 |  ...  | 17,18 | 18,18 | 19,18 | 
  |       |       |       |       |       |       |       |
  +-------+-------+-------+       +-------+-------+-------+
  |       |       |       |       |       |       |       |
  |  0,17 |  1,17 |  2,17 |  ...  | 17,17 | 18,17 | 19,17 |
  |       |       |       |       |       |       |       |
W +-------+-------+-------+       +-------+-------+-------+ E
E |   .       .       .      ...      .       .       .   | A
S |   .       .       .      ...      .       .       .   | S
T |   .       .       .      ...      .       .       .   | T
  +-------+-------+-------+       +-------+-------+-------+
  |       |       |       |       |       |       |       |
  |  0,2  |  1,2  |  2,2  |  ...  | 17,2  | 18,2  | 19,2  |
  |       |       |       |       |       |       |       |
  +-------+-------+-------+       +-------+-------+-------+
  |       |       |       |       |       |       |       |
  |  0,1  |  1,1  |  2,1  |  ...  | 17,1  | 18,1  | 19,1  |
  |       |       |       |       |       |       |       |
  +-------+-------+-------+       +-------+-------+-------+
  |       |       |       |       |       |       |       |
  |  0,0  |  1,0  |  2,0  |  ...  | 17,0  | 18,0  | 19,0  |
  |       |       |       |       |       |       |       |
  +-------+-------+-------+-------+-------+-------+-------+
                            SOUTH

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Created on 16 June 1995
Last revised 20 August 1996