commit dd6a7f74616c77f2738358fc2ab615cb005a3ffb
Author: nukeykt <alexeytf2@gmail.com>
Date:   Sun Sep 19 11:02:30 2021 +0900

    engine: reset rotatesprite lerp value when interpolation should not be performed

See https://voidpoint.io/terminx/eduke32 for more details.