岩浆斗兽场：地是会变的

fx-lava

local Lava = {}
local KEY = { LIFE = 3.5, GROW = 0.4, R = 46 }

local pools = {}

function Lava.Spawn()
    local x = 160 + math.random() * 340
    -- 避免与现有岩浆重叠
    for _, p in ipairs(pools) do
        if math.abs(p.x - x) < 90 then return end
    end
    pools[#pools + 1] = { x = x, t = 0, life = KEY.LIFE }
end

local function OnPool(x)
    for _, p in ipairs(pools) do
        if p.t > KEY.GROW and math.abs(p.x - x) < 42 then
            return p
        end
    end
    return nil
end

function Lava.Tick(dt)
    spawnTimer = spawnTimer - dt
    if spawnTimer <= 0 then
        spawnTimer = SL:GetValue("lavaFreq") or 0.9
        Lava.Spawn()
    end
    -- 岩浆生命周期
    for i = #pools, 1, -1 do
        pools[i].t = pools[i].t + dt
        if pools[i].t > pools[i].life then
            table.remove(pools, i)
        end
    end
    -- 踩踏判定: 双方都判, 地不认人
    for _, u in ipairs({ SL:GetValue("selfActor"), SL:GetValue("curTarget") }) do
        local pool = OnPool(SL:GetValue("actorX", u))
        if pool and not SL:GetValue("burning", u) then
            SL:SetValue("burning", u, true)
            SL:DeductHp(u, 10)
            SL:ShowHitNum(u, 10, "burn")
            SL:PlayActorAct(u, "stuck")
            SL:ScheduleOnce(function()
                SL:SetValue("burning", u, false)
            end, 0.8)
        end
    end
end

return Lava