影爆连环：先埋雷后引爆

fx-markburst

local ShadowMark = {}
local CONST = { MSG_ID = 12260, KEY = "ShadowMark", FUSE = 1.5 }

function ShadowMark:ApplyMark(targetID)
    self._marked = self._marked or {}
    self._marked[targetID] = {
        fuse = CONST.FUSE,
        total = CONST.FUSE,
        ring = CreateCountdownRing(targetID)
    }
    SL:SendLuaNetMsg(CONST.MSG_ID, 0, 0, 0,
        SL:JsonEncode({ key = CONST.KEY, op = 1, target = targetID }))
end

function ShadowMark:DetonateAll()
    for tid, mk in pairs(self._marked) do
        mk.fuse = math.min(mk.fuse, 0.18)              -- 引信压缩: 手动引爆
    end
end

function ShadowMark:Update(dt)
    for tid, mk in pairs(self._marked or {}) do
        mk.fuse = mk.fuse - dt
        mk.ring:SetProgress(1 - mk.fuse / mk.total)    -- 倒计时圈跟着引信走
        if mk.fuse <= 0 then
            local m = FindActor(tid)
            if m then
                SpawnPurpleBurst(m:GetX(), m:GetY() - 40)
                m:PlayStagger()
            end
            mk.ring:Remove()
            self._marked[tid] = nil
        end
    end
end

return ShadowMark