Description: 1. draw a polygon object with mouse tracking (set octagon);
2. click the mouse production point object randomly on the screen, red means outside and blue is in it.
(Click to check if it's the file you need, and recomment it at the bottom):
|DramFrame.java|| 1233 || 2020-04-22
|DrawListener.java|| 3371 || 2020-04-22|