diff options
Diffstat (limited to 'src/util/numeric.h')
| -rw-r--r-- | src/util/numeric.h | 7 |
1 files changed, 7 insertions, 0 deletions
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 |