Aegisub/automation/demos/future-windy-blur.lua

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Lua
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-- This script is given to the public domain.
-- You can use and modify the effect freely, also without credit, although I would appreciate some.
include("karaskel.lua")
script_name = "Future Windy Blur"
script_description = "Highlights blown away by the winds of change."
script_author = "jfs"
script_version = "1.3"
function new_windy_blur(subs)
aegisub.progress.task("Getting header data...")
local meta, styles = karaskel.collect_head(subs)
aegisub.progress.task("Applying effect...")
local i, ai, maxi, maxai = 1, 1, #subs, #subs
while i <= maxi do
aegisub.progress.task(string.format("Applying effect (%d/%d)...", ai, maxai))
aegisub.progress.set((ai-1)/maxai*100)
local l = subs[i]
if l.class == "dialogue" and
not l.comment then
karaskel.preproc_line(subs, meta, styles, l)
do_fx(subs, meta, l)
maxi = maxi - 1
subs.delete(i)
else
i = i + 1
end
ai = ai + 1
end
aegisub.progress.task("Finished!")
aegisub.progress.set(100)
end
function do_fx(subs, meta, line)
local l = table.copy(line)
l.text = string.format("{\\pos(%d,%d)\\1c%s\\1a&HFF&\\3a&HFF&\\4a&HFF&\\t(0,200,\\1a&H00&\\3a&H00&\\4a&H00&)\\t(%d,%d,\\1a&HFF&\\3a&HFF&\\4a&HFF&)}%s", meta.res_x/2, line.styleref.margin_t, line.styleref.color2, line.duration+200, line.duration+400, line.text_stripped)
l.start_time = l.start_time - 200
l.end_time = l.end_time + 200
l.layer = 1
subs.append(l)
for i = 1, line.kara.n do
local syl = line.kara[i]
if syl.duration > 0 then
local l = table.copy(line)
l.start_time = line.start_time + syl.start_time
if syl.duration < 750 then
l.end_time = l.start_time + 1500
else
l.end_time = l.start_time + syl.duration * 1.5
end
l.layer = 2
local temp = string.format("{\\be1\\move(%d,%d,%%d,%%d)\\1a&Hd0\\bord0\\shad0\\t(0.6,\\1a&HFF&)}%s", line.left+syl.center, line.styleref.margin_t, syl.text_stripped)
for j = -8, 8 do
l.text = string.format(temp, line.left+syl.center+math.cos(math.rad(j*4))*30, line.styleref.margin_t+math.sin(math.rad(j*4))*30)
subs.append(l)
end
end
end
end
aegisub.register_filter("Future Windy Blur", "", 2000, new_windy_blur)