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Coddy Roblox 游戏：无尽高塔课程的第 14 课，共 21 课。

塔顶的金色 FinishPad 会结束攀登：你获胜后，就会乘坐载具返回大厅。stack 会返回它放置的 Finish，所以要在这里连接它的垫子的 Touched 事件。

Touched 会把触碰到的肢体交给你。它的 Parent 是角色，Players:GetPlayerFromCharacter 会返回该角色所属的 Player；如果触碰者不是角色，则返回 nil：

local player = Players:GetPlayerFromCharacter(hit.Parent)
if player then
	print(player.Name .. " stepped on the pad")
end

Touched 会为每个肢体触发一次，所以如果不加处理，一次着陆可能会获胜三四次。用一个表记录本轮已经完成的玩家，让每位玩家只获胜一次：

local finished = {}

if finished[player] then
	return
end
finished[player] = true

表可以使用 Player 作为键，因此 finished[player] 就是该玩家对应的条目。新一轮开始时清空这个表，这样所有人都能再次获胜。

挑战

中等

到达顶部的金色垫子就能获胜。

添加 local lobbySpawn = workspace.Lobby.SpawnLocation 和 local finished = {}；startRound 会清空 finished。
编写 reachTop(hit)：除非 Players:GetPlayerFromCharacter(hit.Parent) 返回一名尚未完成的玩家，否则就停止。将该玩家标记为已完成，给 Wins 加 1，执行 print(player.Name .. " reached the top")，并将 hit.Parent 移动到 lobbySpawn 上方 4 个单位处。
在 buildTower 中，将 FinishPad.Touched 连接到它。

点击“开始”并到达金色垫子：你就会获胜并回到大厅。然后点击“检查”。

亲手试试

local Players = game:GetService("Players")
local ServerStorage = game:GetService("ServerStorage")
local CollectionService = game:GetService("CollectionService")
local RunService = game:GetService("RunService")
local TweenService = game:GetService("TweenService")
local Settings = require(game.ReplicatedStorage.Settings)

local stages = ServerStorage.Stages
local tower = nil
local towerStages = {}
local lava = nil

print("Each tower has " .. Settings.StageCount .. " stages")

-- 每位玩家的排行榜上都有 Wins
Players.PlayerAdded:Connect(function(player)
	local leaderstats = Instance.new("Folder")
	leaderstats.Name = "leaderstats"
	leaderstats.Parent = player

	local wins = Instance.new("IntValue")
	wins.Name = "Wins"
	wins.Parent = leaderstats
end)

-- 大厅里的告示牌
local gui = Instance.new("SurfaceGui")
gui.Parent = workspace.Lobby.Board

local boardLabel = Instance.new("TextLabel")
boardLabel.Name = "Status"
boardLabel.Size = UDim2.fromScale(1, 1)
boardLabel.BackgroundColor3 = Color3.fromRGB(25, 25, 35)
boardLabel.TextColor3 = Color3.fromRGB(255, 255, 255)
boardLabel.TextScaled = true
boardLabel.Text = "Endless Tower"
boardLabel.Parent = gui

local function setBoard(text)
	boardLabel.Text = text
end

-- 碰到任何带有 Kill 标签的物体都会失去一条命
local function killOnTouch(hit)
	local humanoid = hit.Parent:FindFirstChild("Humanoid")
	if humanoid then
		humanoid.Health = 0
	end
end

-- 有人踩上会消失的台阶后，台阶很快会变淡，然后恢复原状
local function makeVanish(part)
	part.Touched:Connect(function(hit)
		if part:GetAttribute("Gone") or not hit.Parent:FindFirstChild("Humanoid") then
			return
		end
		part:SetAttribute("Gone", true)
		task.wait(Settings.VanishDelay)
		part.Transparency = 0.8
		part.CanCollide = false
		task.wait(Settings.VanishTime)
		part.Transparency = 0
		part.CanCollide = true
		part:SetAttribute("Gone", nil)
	end)
end

-- 激光会不断滑向 Slide 指定的偏移位置，再滑回来
local function makeSlide(part)
	local info = TweenInfo.new(Settings.SlideTime, Enum.EasingStyle.Linear, Enum.EasingDirection.InOut, -1, true)
	local goal = { Position = part.Position + part:GetAttribute("Slide") }
	TweenService:Create(part, info, goal):Play()
end

-- 弹跳垫会把踩上去的人弹到空中
local function bounce(hit)
	local root = hit.Parent:FindFirstChild("HumanoidRootPart")
	if root then
		root.AssemblyLinearVelocity = Vector3.new(0, Settings.BouncePower, 0)
	end
end

-- 旋转障碍物每帧都会转动一点
RunService.Heartbeat:Connect(function(dt)
	for _, spinner in CollectionService:GetTagged("Spinner") do
		if spinner:IsDescendantOf(workspace) then
			spinner:PivotTo(spinner:GetPivot() * CFrame.Angles(0, math.rad(Settings.SpinSpeed) * dt, 0))
		end
	end
end)

-- 根据标签启用关卡中的每个障碍物
local function setupStage(stage)
	for _, part in stage:GetDescendants() do
		if part:HasTag("Kill") then
			part.Touched:Connect(killOnTouch)
		end
		if part:HasTag("Vanish") then
			makeVanish(part)
		end
		if part:HasTag("Conveyor") then
			part.AssemblyLinearVelocity = part.CFrame.LookVector * Settings.BeltSpeed
		end
		if part:HasTag("Slider") then
			makeSlide(part)
		end
		if part:HasTag("Bounce") then
			part.Touched:Connect(bounce)
		end
	end
end

-- 随机选择一个关卡
local function pickStage()
	local all = stages:GetChildren()
	return all[math.random(1, #all)]
end

-- 把模型的副本放到塔顶；返回副本和新的塔顶高度
local function stack(template, bottom)
	local copy = template:Clone()
	local box, size = copy:GetBoundingBox()
	local lift = bottom - (box.Position.Y - size.Y / 2)
	copy:PivotTo(copy:GetPivot() + Vector3.new(0, lift, 0))
	copy.Parent = tower
	return copy, bottom + size.Y
end

-- 第 14 课：Reach the Top 的代码写在这里

-- 从下往上搭建一座新的随机塔
local function buildTower()
	tower = Instance.new("Model")
	tower.Name = "Tower"
	tower.Parent = workspace
	towerStages = {}
	local top = 0
	for i = 1, Settings.StageCount do
		local stage, newTop = stack(pickStage(), top)
		top = newTop
		setupStage(stage)
		towerStages[i] = stage
	end
	stack(ServerStorage.Finish, top)
	return top
end

-- 熔岩从地面升起，直到塔顶下方
local function startLava(top)
	lava = Instance.new("Part")
	lava.Name = "Lava"
	lava.Anchored = true
	lava.CanCollide = false
	lava.Size = Vector3.new(30, 2, 30)
	lava.Position = Vector3.new(0, -2, 0)
	lava.Color = Color3.fromRGB(255, 90, 20)
	lava.Material = Enum.Material.Neon
	lava.Parent = workspace
	lava.Touched:Connect(killOnTouch)
	local info = TweenInfo.new(top / Settings.LavaSpeed, Enum.EasingStyle.Linear, Enum.EasingDirection.InOut, 0, false, Settings.LavaDelay)
	TweenService:Create(lava, info, { Position = Vector3.new(0, top - 2, 0) }):Play()
end

local function startRound()
	local top = buildTower()
	startLava(top)
	for _, player in Players:GetPlayers() do
		if player.Character then
			player.Character:PivotTo(towerStages[1].Start.CFrame + Vector3.new(0, 4, 0))
		end
	end
end

-- 一轮游戏
for i = Settings.Intermission, 1, -1 do
	setBoard("Next tower in " .. i)
	task.wait(1)
end
startRound()
for i = Settings.RoundLength, 1, -1 do
	setBoard("Climb! " .. i .. " seconds left")
	task.wait(1)
end