-- 这假设工作区包含一个带有 AudioEmitter 和 AudioPlayer 的 Part，并且相机有一个 AudioListener
local RunService = game:GetService("RunService")

local part: BasePart = workspace.Part
local camera: Camera = workspace.CurrentCamera
local audioPlayer: AudioPlayer = part.AudioPlayer
local audioEmitter: AudioEmitter = part.AudioEmitter
local audioListener: AudioListener = camera.AudioListener

local raycastParams = RaycastParams.new()
raycastParams.FilterDescendantsInstances = { audioEmitter.Parent }
raycastParams.FilterType = Enum.RaycastFilterType.Exclude

-- 创建一个新的 AudioFilter
local filter: AudioFilter = Instance.new("AudioFilter")
filter.FilterType = Enum.AudioFilterType.Lowpass12dB
filter.Frequency = 22000
filter.Q = math.sqrt(2) / 2 -- 这个 Q 值产生一个平坦的低通 12dB 陡度类型
filter.Parent = part

-- 将 AudioFilter 放在播放器和发射器之间
local function wireTo(source: Instance, target: Instance): Wire
	local wire = Instance.new("Wire")
	wire.SourceInstance = source
	wire.TargetInstance = target
	wire.Parent = target
end
wireTo(audioPlayer, filter)
wireTo(filter, audioEmitter)

-- 根据发射器和监听器的位置更新滤波器
RunService.Heartbeat:Connect(function()
	local emitterPos: Vector3 = part.Position
	local listenerPos: Vector3 = camera.CFrame.Position

	local raycastResult = workspace:Raycast(emitterPos, (listenerPos - emitterPos), raycastParams)
	filter.Frequency = if raycastResult then 500 else 22000
end)