I did a search in this forum and didn’t see that this has been discussed previously (apologies if I missed it elsewhere).
Drawing Zones (and subsequently modifying their vertices) is really onerous. I get that I need to start by drawing a box and adding vertices from there to get the desired shape, but it doesn’t seem like the “Right-click to add point” feature works like the instruction would have you believe. Whenever I right-click, not 1 but 2 new vertices get created, and there isn’t any predictability to how they’ll modify the shape–sometimes it’s normal, sometimes the vertices get out of sequence (not sure if that’s the right way of describing it) such that you get a bow-tie effect to your Zone, and you then have to move around more vertices than just the ones you added to get back to your desired shape.
I’ve experienced this behavior for the last several versions of VASSAL on both Mac and PC. Any ideas? Did any of that description even make sense?