diff options
| author | proller <proller@github.com> | 2013-07-27 22:34:30 +0400 |
|---|---|---|
| committer | proller <proller@github.com> | 2013-07-27 23:21:48 +0400 |
| commit | 3aedfac9685c2d9ae8bac5a5b7e72e527f22c08d (patch) | |
| tree | d1f9067040acb0b5dad42a2ae8935b91124a36d3 /src/util/numeric.h | |
| parent | e65d8ad6553d7ae0acf63b43e9818059088a00b6 (diff) | |
| download | minetest-3aedfac9685c2d9ae8bac5a5b7e72e527f22c08d.tar.gz minetest-3aedfac9685c2d9ae8bac5a5b7e72e527f22c08d.tar.bz2 minetest-3aedfac9685c2d9ae8bac5a5b7e72e527f22c08d.zip | |
Weather support
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 |