女王崇拜：三把小刀割一条线

fx-queenbow

local BLADE = { Y_TOP = -92, Y_MID = -62, Y_LOW = -40, GAP = 0.19 }

function queenWorship:Cast(caster, target)
    caster:PlayAction(global.MMO.ANIM_SKILL)
    local heights = { BLADE.Y_TOP, BLADE.Y_MID, BLADE.Y_LOW }
    for i = 1, 3 do
        PerformWithDelayGlobal(function()
            local blade = CreateQueenBlade(caster:GetPalmPos())
            blade:SetTargetY(target:GetY() + heights[i])   -- 错层: 三枚三个高度
            blade:SetSpeed(self._speed)
            blade:SetReturn(self._canReturn)               -- 回旋开关
            blade:OnArrive(function()
                target:OnHit(self._dmg / 3)                -- 三枚均分伤害
                SpawnCrossMark(target)                     -- 头胸处的十字割痕
            end)
        end, (i - 1) * BLADE.GAP * 1000)
    end
end

-- 蝶刃: 飞行贴图朝向运动方向, 自旋只转翼不转头
function queenBlade:Update(dt)
    self._spin = self._spin + dt * 22
    self._sprite:setRotation(self._spin)
    self._x = self._x + self._dirSign * self._speed * dt
    if math.abs(self._x - self._targetX) <= self._speed * dt then
        self:OnArrive()
        if self._canReturn then self._returning = true else self:Remove() end
    end
end