【玩法策划】大逃杀缩圈：借鉴吃鸡玩法的安全区收缩设计

local ZONES = { 80, 60, 45, 30, 15 }
local zone = 1
setontimerex(115, 60)
function ontimer115()
    if zone < #ZONES then zone = zone + 1 end
    sendcentermsg("安全区收缩至半径" .. ZONES[zone] .. "！")
end
local function outsideDamage(actor, px, py, cx, cy)
    local dist = math.sqrt((px - cx) ^ 2 + (py - cy) ^ 2)
    if dist > ZONES[zone] then
        humanhp(actor, "-", zone * 2)
    end
end

local function settleSurvival(actor, wave)
    local player = class(actor)
    if wave == lastWave() then
        giveitem(actor, "乱斗王者宝箱", 1)
        sendcentermsg(class(actor):GetName() .. " 成为终局幸存者！")
    else
        sendmail(actor, 0, "乱斗参与奖励", "存活到第" .. wave .. "圈", "金币|" .. wave * 1000)
    end
end