Roblox 魔法特效

local Players = game:GetService("Players")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local Debris = game:GetService("Debris")
local castBlink = ReplicatedStorage:WaitForChild("CastBlink") -- a RemoteEvent the client fires
local blink = ReplicatedStorage.Effects:WaitForChild("Blink")

local COOLDOWN, RANGE = 4, 30
local lastCast = {}

local function playAt(template: BasePart, cf: CFrame)
	local fx = template:Clone()
	fx:PivotTo(cf)
	fx.Parent = workspace
	Debris:AddItem(fx, 3)
end

castBlink.OnServerEvent:Connect(function(player, target)
	local character = player.Character
	local root = character and character:FindFirstChild("HumanoidRootPart")
	if not root or typeof(target) ~= "Vector3" then return end
	if os.clock() - (lastCast[player] or 0) < COOLDOWN then return end
	lastCast[player] = os.clock()

	-- Never trust the client's target: keep it within range.
	local offset = target - root.Position
	if offset.Magnitude ~= offset.Magnitude then return end -- a NaN from a tampered client
	if offset.Magnitude > RANGE then target = root.Position + offset.Unit * RANGE end

	playAt(blink, root.CFrame)
	task.wait(0.25) -- the wind-up
	character:PivotTo(CFrame.new(target + Vector3.new(0, 3, 0)) * root.CFrame.Rotation)
	playAt(blink, CFrame.new(target))
end)

Players.PlayerRemoving:Connect(function(player)
	lastCast[player] = nil
end)