抓娃娃：爪子松不松全看那一抖

fx-clawmachine

local Claw = {}
local KEY = { DROP = 130, LIFT = 140 }
local st = { name = "move", t = 0, claw = nil, hold = nil }

local function SetState(name)
    st.name = name
    st.t = 0
end

function Claw.Update(dt)
    st.t = st.t + dt
    local c = st.claw
    if st.name == "move" then
        local tx = Claw.PickTarget()
        if tx then
            local d = tx - c.x
            c.x = c.x + math.min(math.max(d, -120 * dt), 120 * dt)
            c.sway = math.sin(st.t * 8) * 2
            if math.abs(d) < 2 and SL:GetValue("autoMode") then
                SetState("drop")
            end
        end
    elseif st.name == "drop" then
        c.dy = math.min(c.dy + KEY.DROP * dt, Claw.MaxDepth())
        if c.dy >= Claw.MaxDepth() then SetState("grab") end
    elseif st.name == "grab" then
        c.open = math.max(0, 1 - st.t * 3)
        if st.t > 0.4 then
            st.hold = Claw.TryGrab()      -- 内部按爪力掷骰
            SetState("lift")
        end
    elseif st.name == "lift" then
        c.dy = math.max(0, c.dy - KEY.LIFT * dt)
        c.sway = math.sin(st.t * 6) * 10
        -- 半路脱爪判定
        if st.hold and not Claw.HoldCheck() then
            Claw.DropDoll(st.hold)
            st.hold = nil
            SL:ShowSystemTips("脱爪了! 娃娃摔回去")
        end
        if c.dy <= 0 then
            if st.hold then SetState("carry") else SetState("move") end
        end
    elseif st.name == "carry" then
        c.x = c.x + 90 * dt
        c.sway = math.sin(st.t * 6) * 10
        if c.x >= Claw.HoleX() then
            Claw.StashDoll(st.hold)
            st.hold = nil
            SetState("settle")
        end
    elseif st.name == "settle" then
        if st.t > 0.5 then
            c.open = 1
            SetState("move")
        end
    end
end

return Claw