荡音环纹：一圈一圈荡出去，荡到就疼

flowchart TD
A[点狮吼] --> B[身周生第一环]
B --> C[环半径放大]
C --> D{荡过怪身了吗}
D -- 没有 --> C
D -- 荡过 --> E[八点入账]
E --> F{三环荡尽了吗}
F -- 没有 --> B
F -- 荡尽 --> G[收声 七秒后再吼]

 fx-crest-roarrings

-- @file CrestRoarRings.lua
-- 荡音环纹 —— 一圈一圈荡出去 荡到就疼

local CrestRoarRings = {}

local CONST = {
    RING_N        = 3,
    RING_GAP      = 0.8,
    RING_SPEED    = 240,
    RING_DMG      = 8,
    ROAR_CD       = 7,

    AUTOINC_BASE  = 1205000,
}

local _rings    = {}
local _n        = 0
local _shot     = 0
local _cd       = 0
local _autoInc  = 0

local function ShowTip(msg)
    if msg and msg ~= "" then SL:ShowSystemTips(msg) end
end

local function GenID()
    _autoInc = _autoInc + 1
    return CONST.AUTOINC_BASE + _autoInc
end

function CrestRoarRings.Count() return _n end

-- 生环: 只带一个数 半径
local function Spawn()
    _n = _n + 1
    _rings[#_rings + 1] = { r = 24, hit = false }
    ShowTip("吼出第" .. _n .. "环——荡过去")
end

-- 每拍推进: 半径放大 荡身即疼
if not _ticker then
    _ticker = SL:Schedule(function(dt)
        if _cd > 0 then _cd = _cd - dt end
        if _n < CONST.RING_N and _cd <= 0 then
            _shot = _shot - dt
            if _shot <= 0 then
                _shot = CONST.RING_GAP
                Spawn()
            end
        end
        local dist = SL:GetValue("mobDist") or 0
        for i = #_rings, 1, -1 do
            local ring = _rings[i]
            ring.r = ring.r + CONST.RING_SPEED * dt
            if not ring.hit and dist > 0 and ring.r >= dist - 16 then
                ring.hit = true
                ShowTip("环荡过身——" .. CONST.RING_DMG)
            end
            if ring.r > 760 then table.remove(_rings, i) end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("狮吼!", function()
        _n = 0
        _shot = 0
        ShowTip("深吸气——三环连荡!")
    end)
    ShowTip("技能已加载: 荡音环纹")
end, 1.0)

function CrestRoarRings.Unload()
    if _ticker then SL:Unschedule(_ticker) end
    _rings = {}
end

return CrestRoarRings