铁蒺藜：撒一把尖刺，看它踩哪

if math.abs(m.x - p.x) < 42 then stuck() end

 fx-caltrops

local Caltrops = {}
local ZONE_LIFE, STUCK, SLOW = 8, 1, 3

local patches = {}

function Caltrops.Throw(x)
    patches[#patches + 1] = { x = x, t = ZONE_LIFE, hit = false }
    SL:PlayBurst(x, 0, "thorn_dust", 8)
end

local function onTick(dt)
    for i = #patches, 1, -1 do
        local p = patches[i]
        p.t = p.t - dt
        if p.t <= 0 then
            table.remove(patches, i)            -- 刺寿: 八秒后失效
        else
            for _, m in ipairs(SL:GetMonstersNear(p.x, 42)) do
                if not p.hit then
                    p.hit = true
                    SL:SetStuck(m, STUCK)       -- 定身: 一秒
                    SL:SetSlow(m, SLOW)         -- 拔刺: 减速三秒
                    SL:PlayBurst(m, "thorn_stab", 8)
                    SL:ShowTipAbove(m, "踩刺!")
                end
            end
        end
    end
end

SL:RegTick("caltrops_tick", onTick)
SL:RegClick("throw_caltrops", function() Caltrops.Throw(SL:GetValue("x", "monster") - 90) end)

return Caltrops