getDistance() and getApproxDistance() benchmarks:  * getApproxDistance() is 0 (vertical/horizontal) to 9.2% (45deg) less precise  * getApproxDistance() is (roughly) 80 to 90% faster
getDistance() and getApproxDistance() benchmarks:
 * getApproxDistance() is 0 (vertical/horizontal) to 9.2% (45deg) less precise
 * getApproxDistance() is (roughly) 80 to 90% faster

syhw/BroodwarBotQ,SnippyHolloW/BroodwarBotQ,SnippyHolloW/BroodwarBotQ,SnippyHolloW/BroodwarBotQ,syhw/BroodwarBotQ,syhw/BroodwarBotQ,SnippyHolloW/BroodwarBotQ,syhw/BroodwarBotQ