竹竿舞：竿合之前跳出去

 fx-bamboo

local Bamboo = {}
local KEY = { BEAT = 0.45 }

local beatT, open, combo, best = 0, true, 0, 0

function BM.Tick(dt)
    beatT = beatT - dt
    local beat = SL:GetValue("beatMs") or 450
    if beatT <= 0 then
        beatT = beat / 1000
        open = not open
        SL:PlaySfx(open and "pole_open" or "pole_close")
    end
    -- 跳跃物理
    if not st.grounded then
        st.vy = st.vy + 900 * dt
        st.y = st.y + st.vy * dt
        if st.y >= SL:GetValue("groundY") then
            st.y = SL:GetValue("groundY")
            st.grounded = true
            st.vy = 0
            -- 落地判定: 竿合拢时踩中
            if not open and math.abs(SL:GetValue("actorX") - 330) < 40 then
                st.combo = 0
                SL:ShowTipAbove("player", "被夹!")
                SL:PlaySfx("pinched")
            else
                st.combo = st.combo + 1
                SL:PlaySfx("step", st.combo % 5)
            end
        end
    end
end

function BM.Jump()
    if st.grounded then
        st.grounded = false
        st.vy = -330
        SL:PlayBurst(SL:GetValue("actorX"), SL:GetValue("groundY"), "dust", 5)
    end
end

return BM