diff options
Diffstat (limited to 'software/animation.h')
| -rw-r--r-- | software/animation.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/software/animation.h b/software/animation.h index feab14d..3e0d3a7 100644 --- a/software/animation.h +++ b/software/animation.h @@ -4,3 +4,6 @@ /** @brief round time to nearest frame */ unsigned long clamp_time(unsigned long unclamped_time); + +/** @brief 'zigzag' value between 0 and `size - 1`, like modulo (`%`) operator */ +unsigned int zigzag(unsigned int size, int index); |