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lite-xl
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Compute animation rate only if needed

This commit is contained in:
Francesco Abbate 2021-03-18 16:20:21 +01:00
parent 0bb7f21dd7
commit 26ec9e5820
1 changed files with 8 additions and 4 deletions
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12
data/core/view.lua
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@ -24,10 +24,14 @@ function View:move_towards(t, k, dest, rate)
if not config.transitions or math.abs(val - dest) < 0.5 then
t[k] = dest
else
rate = common.clamp(rate or 0.5, 1e-8, 1 - 1e-8)
local alpha = math.log(1 - rate) * config.animation_rate
local dt = 60 / config.fps
t[k] = common.lerp(val, dest, 1 - math.exp(alpha * dt))
rate = rate or 0.5
if config.fps ~= 60 then
local xrate = common.clamp(rate, 1e-8, 1 - 1e-8)
local alpha = math.log(1 - xrate) * config.animation_rate
local dt = 60 / config.fps
rate = 1 - math.exp(alpha * dt)
end
t[k] = common.lerp(val, dest, rate)
end
if val ~= dest then
core.redraw = true