I thought you might be interested in looking at Quick way to test if point is inside marker.
https://forums.bohemia.net/forums/topic/62956-quick-way-to-test-if-point-is-inside-marker/?do=findComment&comment=1103516
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.