破军斩：一劈裂地半尺深

 fx-groundcrack

local GroundCrack = {}
local KEY = { JUMP_V = 420, GRAVITY = 900 }

local st = { vy = 0, y = 0, jumping = false }
local crackDepth = 0

function GC.Cast(self_, target)
    st.jumping = true
    st.vy = -KEY.JUMP_V
    SL:PlayActorAct(self_, "cast")
    SL:ShowSystemTips("跃起举刀!")
end

function GC.Tick(dt)
    if st.jumping then
        st.vy = st.vy + KEY.GRAVITY * dt
        st.y = st.y + st.vy * dt
        if st.y >= 0 and st.vy > 0 then
            st.y = 0
            st.jumping = false
            GC.Slam(target)
        end
        SL:SetActorY("player", SL:GetValue("groundY") + st.y)
    end
end

function GC.Slam(target)
    SL:PlayActorAct(self_, "attack")
    SL:ScreenShake(0.38, 7)
    SL:PlayFxAt("ground_crack", SL:GetValue("actorX", target))
    SL:PlayBurst(SL:GetValue("actorX", target),
                 SL:GetValue("groundY"), "rock_bits", 20)
    -- 裂缝渲染: 锯齿线条 + 底部橙色发光
    SL:DrawCrackLine(
        SL:GetValue("actorX", target) - 50,
        SL:GetValue("groundY") + 4,
        SL:GetValue("actorX", target) + 50,
        SL:GetValue("groundY") + 4
    )
    crackDepth = SL:GetValue("crackPower") or 50
    SL:DeductHp(target, 56)
    SL:ShowHitNum(target, 56, "groundcrack")
    SL:Stun(target, 1.4)
    SL:ShowSystemTips("裂地半尺! — 狼怪陷入裂缝")
end

return GC