3 commits

Author	SHA1	Message	Date
Josh Deprez	43eff6e326	interface checks like this	2021-08-27 11:49:11 +10:00
Josh Deprez	7cd10f22cd	comment	2021-08-26 14:55:31 +10:00
Josh Deprez	a7ff475b91	sheet, tile/sheet, misc math	2021-08-26 13:54:22 +10:00