佛掌压纹：巨掌从天压下，掌心即是刑台

flowchart TD
A[点压掌] --> B[巨掌天边聚形]
B --> C[缓缓压向头脸]
C --> D{压到了吗}
D -- 压到 --> E[定身一秒半]
E --> F[掌心碾三十]
F --> G[掌散归天]
D -- 压空 --> G
G --> H[九秒后再压]

 fx-crest-bigpalm

-- @file CrestBigPalm.lua
-- 佛掌压纹 —— 巨掌从天压下 掌心即是刑台

local CrestBigPalm = {}

local CONST = {
    FALL_SPEED    = 340,
    REST_HEIGHT   = 128,
    HOLD_TIME     = 1.5,
    CRUSH_DMG     = 30,
    PALM_CD       = 9,

    AUTOINC_BASE  = 1206800,
}

local _phase    = 0
local _y        = -160
local _pin      = 0
local _t        = 0
local _cd       = 0
local _autoInc  = 0

local function ShowTip(msg)
    if msg and msg ~= "" then SL:ShowSystemTips(msg) end
end

local function GenID()
    _autoInc = _autoInc + 1
    return CONST.AUTOINC_BASE + _autoInc
end

function CrestPalm.Phase() return _phase end

-- 压掌: 三段的第一段
function CrestPalm.Press(posX)
    if _cd > 0 then
        ShowTip("佛光还没聚——再等" .. math.ceil(_cd) .. "秒")
        return
    end
    _cd = CONST.PALM_CD
    _phase = 1
    _y = -160
    SL:SetValue("palmX", posX)
    ShowTip("巨掌从天——压向它头顶")
end

-- 每拍推进: 降落 压住 碾压 归天
if not _ticker then
    _ticker = SL:Schedule(function(dt)
        if _cd > 0 then _cd = _cd - dt end
        if _phase == 0 then return end
        if _phase == 1 then
            _y = _y + CONST.FALL_SPEED * dt
            if _y >= -CONST.REST_HEIGHT then
                _y = -CONST.REST_HEIGHT
                _phase = 2
                _pin = CONST.HOLD_TIME
                ShowTip("压住一秒半——掌心碾!")
            end
        elseif _phase == 2 then
            _pin = _pin - dt
            if _pin <= 0 then _phase = 3 end
        elseif _phase == 3 then
            _y = _y - 260 * dt
            if _y <= -160 then
                _phase = 0
                ShowTip("巨掌归天——九秒后再压")
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("压掌!", function()
        CrestBigPalm.Press(SL:GetValue("mobX") or 520)
    end)
    ShowTip("技能已加载: 佛掌压纹")
end, 1.0)

function CrestBigPalm.Unload()
    if _ticker then SL:Unschedule(_ticker) end
    _phase = 0
end

return CrestBigPalm