Improve robustness for line of sight function #1936
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Previously, for the case where the `distance` between the `observer` and `target` is zero the function will crash with a Division by Zero Error. This error can happen if someone designs a chasing enemy that ends up at the players location. I added a check will return True indicating there is line of sight in such a case. Perhaps this should instead be a configurable option? Additionally, the Line of Sight function did not ensure that we have a positive non-zero value for the check resolution. I added a check that will raise a value error in such a case. Also added unit test for the same position for LOS
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Fixes #1934 |
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@eruvanos I made a big mistake I was testing whether or position being the same should be equivalent. In the end, I decided that it should look like my unit test was written for it but it brought my commit for False in instead. I made a PR to revert this one and another PR that corrects this error. my local tests didn't catch this because locally I had the correct result set and I somehow didn't catch what was pushed up before I opened the PR. my apologies. |
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@FengchiW So is there something to do? Any open PullRequest or is it already all done? |
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Previously, for the case where the
distancebetween theobserverandtargetis zero the function will crash with a Division by Zero Error. This error can happen if someone designs a chasing enemy that ends up at the players location. I added a check will return True indicating there is line of sight in such a case.Perhaps this should instead be a configurable option?
Additionally, the Line of Sight function did not ensure that we have a positive non-zero value for the check resolution. I added a check that will raise a value error in such a case.