打野清野：逐只清野收经验球

 fx-jungle

local Jungle = {}
local KEY = { CAMP = 3 }

local camp, xp = {}, 0

function JG.SpawnCamp()
    camp = {}
    for i = 1, KEY.CAMP do
        camp[i] = {
            x = SL:GetValue("campX") + (i - 1) * 60,
            hp = 60, dead = false
        }
    end
end

function JG.AttackNearest()
    local target = nil
    local bd = 1e9
    for _, w in ipairs(camp) do
        if not w.dead then
            local d = math.abs(w.x - SL:GetValue("actorX", "player"))
            if d < bd then bd = d; target = w end
        end
    end
    if target then
        SL:DeductHp(target.id, 30)
        SL:PlayActorAct("player", "attack")
        if target.hp <= 0 then
            target.dead = true
            -- 经验球: 从死处飞向玩家
            local orbs = SL:GetValue("orbs")
            orbs[#orbs + 1] = {
                x = target.x, y = SL:GetValue("groundY") - 50
            }
            SL:PlayActorAct(target.id, "die")
            SL:PlaySfx("mob_die")
        end
    end
end

function JG.TickOrbs(dt)
    for i = #SL:GetValue("orbs"), 1, -1 do
        local o = SL:GetValue("orb", i)
        local px, py = SL:GetValue("actorX", "player"),
                       SL:GetValue("actorY", "player") - 50
        local dx, dy = px - o.x, py - o.y
        local d = math.sqrt(dx * dx + dy * dy)
        if d < 14 then
            SL:SetValue("xp", SL:GetValue("xp") + 15)
            SL:PlaySfx("xp_pickup")
            table.remove(SL:GetValue("orbs"), i)
        else
            o.x = o.x + dx / d * 260 * dt
            o.y = o.y + dy / d * 260 * dt
        end
    end
    -- 清空营地: 刷新
    local allDead = true
    for _, w in ipairs(camp) do
        if not w.dead then allDead = false end
    end
    if allDead and #camp > 0 then
        SL:ScheduleOnce(function()
            JG.SpawnCamp()
        end, 1.5)
    end
end

return JG