Corrected result on zero distance LOS function #1937
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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
The line of sight function should return true on zero distance not false. I've outline how this mistake slipped past me in the other PR
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I made a big mistake in the last PR.
I was testing whether or position being the same should be equivalent. In the end, I decided that it should be true and wrote my unit test accordingly.
Somehow the commit that was upstream was one of my test commits and returns false for zero distance comparisons.
This PR corrects this error.
I've run the unit tests to ensure that this doesn't happen again.
Apologies for the broken unit tests!