一刀断魂：血条见底那一刀不留活口

fx-execute

local Execute = {}
local KEY = { KEY = "ExecuteMark", LINE = 0.25 }
local spinning = false

local function GetTargetInfo()
    -- 幂尔框架取当前目标句柄与血量比例
    local target = SL:GetValue("curTarget")
    if not target or target == 0 then return nil end
    local hp, hpMax = SL:GetValue("targetHp"), SL:GetValue("targetHpMax")
    if not hpMax or hpMax <= 0 then return nil end
    return target, hp / hpMax
end

local function StopPulse(vid)
    SL:UnSchedule(vid)          -- 停掉红光脉冲
    SL:SetActorAlpha(vid, 255)  -- 恢复不透明
end

local function StartPulse(target)
    if spinning then return end
    spinning = true
    local t = 0
    SL:Schedule(function(dt)
        t = t + dt
        -- 0.35 秒一个周期的红光呼吸
        local a = 140 + math.floor(math.sin(t / 0.35 * 6.28) * 110)
        SL:SetActorAlpha(target, math.max(20, a))
    end, 0.1, KEY.KEY)
end

function Execute.OnHpChanged()
    local target, ratio = GetTargetInfo()
    if not target then return end
    if ratio <= KEY.LINE and not spinning then
        StartPulse(target)
        SL:ShowSystemTips("目标已进入斩杀线")
    elseif ratio > KEY.LINE and spinning then
        StopPulse(target)
        spinning = false
    end
end

function Execute.Fire()
    local target, ratio = GetTargetInfo()
    if not target then return end
    if ratio > KEY.LINE then
        SL:ShowSystemTips("血量高于斩杀线，处决无效")
        return
    end
    StopPulse(target)
    spinning = false
    -- 前摇 0.32 秒后结算处决
    SL:ScheduleOnce(function()
        SL:SetActorAlpha(target, 0)      -- 处决瞬间目标隐没
        SL:ScheduleOnce(function()
            SL:SetActorAlpha(target, 255) -- 播完死亡帧再还原
        end, 0.9)
        SL:ShowSystemTips("斩!")
    end, 0.32)
end

return Execute