东风破袭：三刃齐发的小扇面

fx-eastwind

local EastWind = {}
local CONST = {
    MSG_ID   = 12020,
    KEY      = "EastWind",
    OP_CAST  = 1,
    FAN_DEG  = 22,          -- 扇形张角
    AIM_H    = 64,          -- 头胸高度
    SPEED    = 640,
}

function EastWind.Cast(myID, tx)
    local myX = SL:GetValue("ACTOR_POSITION_X", myID)
    local myY = SL:GetValue("ACTOR_POSITION_Y", myID)
    local baseDir = tx and (tx - myX) or 1
    local sign = baseDir >= 0 and 1 or -1

    -- 三枚: 中刃瞄头胸, 侧刃按张角偏移
    for i = -1, 1 do
        local ang = i * CONST.FAN_DEG * math.pi / 180
        EastWind.SpawnBlade(myX + 26 * sign, myY - CONST.AIM_H, sign, ang)
    end

    -- 先行表现已就位, 通知服务器广播
    SL:SendLuaNetMsg(CONST.MSG_ID, 0, 0, 0,
        SL:JsonEncode({ key = CONST.KEY, op = CONST.OP_CAST, actorID = myID, tx = tx }))
end

-- 旁观者: 收到广播后原地重放齐射
SL:RegisterLuaNetMsg(CONST.MSG_ID, function(msgID, p1, p2, p3, msgData)
    local data = SL:JsonDecode(msgData)
    if data.key ~= CONST.KEY then return end
    if data.actorID == SL:GetValue("USER_ID") then return end   -- 自己的不吃回声
    EastWind.Cast(data.actorID, data.tx)
end)

return EastWind