Difference between revisions of "Talk:Permissive Field of View"
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(Move the mention of Haskell implementation from discussion to the main page.) |
(Bug report) |
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==Bug report== | |||
Ran some tests using the implementation from [[Roguelike Library For Java]]. It's very fast and I like how it looks. Found a "bug" tho. Generated random 40x40 maps filled with about 20% walls, around 1% of the checks didn't respect symmetry. I narrowed it down on a 5x5 map: | |||
{| | |||
!report | |||
!map | |||
|- | |||
| | |||
<pre> | |||
01234 | |||
0..#.. | |||
1..... | |||
2...#. | |||
3##.#. | |||
4##..# | |||
</pre> | |||
| | |||
<pre> | |||
(3,4) -> (0,2) : false | |||
(0,2) -> (3,4) : true | |||
(4,0) -> (1,4) : true | |||
(1,4) -> (4,0) : false | |||
(4,4) -> (0,1) : true | |||
(0,1) -> (4,4) : false | |||
(1,2) -> (4,4) : false | |||
(4,4) -> (1,2) : true | |||
</pre> | |||
| | |||
|} | |||
On a similar note, gave shadow casting from the same library a try as well. It's a lot slower and crashes when range is too wide (like (0, 0) -> (35, 35)) because of recursivity (call stack). I didn't find how to contact the author yet. | |||
Revision as of 16:25, 18 December 2011
Bug report
Ran some tests using the implementation from Roguelike Library For Java. It's very fast and I like how it looks. Found a "bug" tho. Generated random 40x40 maps filled with about 20% walls, around 1% of the checks didn't respect symmetry. I narrowed it down on a 5x5 map:
| report | map | |
|---|---|---|
01234 0..#.. 1..... 2...#. 3##.#. 4##..# |
(3,4) -> (0,2) : false (0,2) -> (3,4) : true (4,0) -> (1,4) : true (1,4) -> (4,0) : false (4,4) -> (0,1) : true (0,1) -> (4,4) : false (1,2) -> (4,4) : false (4,4) -> (1,2) : true |
On a similar note, gave shadow casting from the same library a try as well. It's a lot slower and crashes when range is too wide (like (0, 0) -> (35, 35)) because of recursivity (call stack). I didn't find how to contact the author yet.