天降神兵：红圈立好再来轰炸

fx-airstrike

local AirStrike = {}
local CONST = { MSG_ID = 12100, KEY = "AirStrike", MARK = 1.0, RX = 110, RY = 46 }

function AirStrike.Cast(myID, cx, cy)
    AirStrike._zone = { x = cx, y = cy, rx = CONST.RX, ry = CONST.RY }
    SL:SendLuaNetMsg(CONST.MSG_ID, 0, 0, 0,
        SL:JsonEncode({ key = CONST.KEY, op = 1, actorID = myID, cx = cx, cy = cy }))

    -- 面积均匀撒点: 半径开根号
    local count = 12
    for i = 1, count do
        local a = math.random() * math.pi * 2
        local rr = math.sqrt(math.random())
        local bx = cx + math.cos(a) * rr * CONST.RX
        local by = cy + math.sin(a) * rr * CONST.RY
        PerformWithDelayGlobal(function()
            AirStrike.DropOne(bx, by)
        end, (CONST.MARK + i * 0.12) * 1000)
    end
end

function AirStrike.DropOne(bx, by)
    SpawnBomb(bx, by, 560)                          -- 手绘弹体+尾烟
    OnBombLand(function()
        SpawnBoomRing(bx, by)                       -- 扩散爆焰
        for _, m in ipairs(GetMonstersNear(bx, by, 60)) do
            m:OnHit(45)                             -- 溅射挂炸点
        end
    end)
end

return AirStrike