2 commits

Author	SHA1	Message	Date
artemp	5126491705	fix unit test	2015-05-14 12:08:14 +01:00
Blake Thompson	f54164da75	Changed the way that set alpha worked, renaming old method to multiply_alpha, added new set_alpha, that simply sets the alpha. Added protection for overflows and underflows. Added unit tests to cover all code	2015-05-11 13:12:13 -05:00