Add a scroll smooth step function #3909
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actionless
previously approved these changes
Apr 6, 2024
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #3909 +/- ##
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- Coverage 91.27% 91.26% -0.01%
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Files 935 935
Lines 60129 60131 +2
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- Hits 54880 54877 -3
- Misses 5249 5254 +5
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sclu1034
reviewed
Apr 8, 2024
lib/wibox/container/scroll.lua
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| local state = ((elapsed * speed) % (size)) / size | ||
| -- The cosine function is scaled to map [0,1] to [0,2π] then it’s output is | ||
| -- scaled from [1 -- -1 -- 1] to [0 -- 1 -- 0] | ||
| return (size - visible_size) * (0.5 - 0.5*math.cos(state*6.2832)) |
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2 * math.pi would be preferable to some magic number literal.
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It’s clearly more readable with it, I must admit I did not check if it existed in lua.
Aire-One
approved these changes
Apr 8, 2024
sclu1034
approved these changes
Apr 9, 2024
actionless
approved these changes
Apr 9, 2024
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A very simple smooth step function for scroll based on a cosine.