From 3aedfac9685c2d9ae8bac5a5b7e72e527f22c08d Mon Sep 17 00:00:00 2001 From: proller Date: Sat, 27 Jul 2013 22:34:30 +0400 Subject: Weather support --- src/util/numeric.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/util/numeric.h') diff --git a/src/util/numeric.h b/src/util/numeric.h index 3e82997bd..076a08efc 100644 --- a/src/util/numeric.h +++ b/src/util/numeric.h @@ -349,5 +349,12 @@ inline void paging(u32 length, u32 page, u32 pagecount, u32 &minindex, u32 &maxi } } +inline float cycle_shift(float value, float by = 0, float max = 1) +{ + if (value + by < 0) return max + by + value; + if (value + by > max) return value + by - max; + return value + by; +} + #endif -- cgit v1.2.3