剑气纵横：一道剑气劈到头

 fx-swordqi

local SwordQi = {}
local KEY = { SPD = 500 }

local waveX, waveActive = 0, false

function SQ.Cast(self_)
    if waveActive then return end
    waveActive = true
    waveX = SL:GetValue("actorX", self_) + 30
    SL:PlayActorAct(self_, "attack")
    SL:PlaySfx("sword_qi")
    SL:Schedule(function(dt)
        if not waveActive then SL:UnSchedule("sqRun") return end
        waveX = waveX + KEY.SPD * dt
        SL:SetFxPos("qi_wave", waveX, SL:GetValue("groundY") - 60)
        local target = SL:GetValue("curTarget")
        if not SL:GetValue("waveHitM") and waveX >= SL:GetValue("actorX", target) - 16 then
            SL:SetValue("waveHitM", true)
            SL:PlayFxAt("qi_hit", SL:GetValue("actorX", target),
                                    SL:GetValue("actorY", target) - 58)
            SL:ScreenShake(0.2, 3)
            SL:DeductHp(target, 38)
            SL:ShowHitNum(target, 38, "sword_qi")
            SL:PlayActorAct(target, "stuck")
        end
        if waveX > SL:GetValue("width") + 40 then
            waveActive = false
            SL:UnSchedule("sqRun")
            SL:ShowSystemTips("剑气消散于屏幕边缘")
        end
    end, 0.016, "sqRun")
end

function SQ.Render()
    if not waveActive then return end
    local w = SL:GetValue("qiWidth") or 50
    SL:DrawGlowRect(waveX - w, SL:GetValue("groundY") - 110, w * 2, 110, "blue_glow")
    SL:DrawLine(waveX, SL:GetValue("groundY") - 110,
                waveX, SL:GetValue("groundY"), "#ffffff", 1.6)
end

return SQ