roblox tagging objects
local CollectionService = game:GetService("CollectionService") ------------------------------------------------------------------------------ -- In this section of the script, we define a Door class. This could be placed in -- its own independent ModuleScript. -- For more information on this class pattern, check out -- the object-oriented programming chapter in Programming in Lua: -- https://www.lua.org/pil/16.html local Door = {} Door.__index = Door Door.TAG_NAME = "Door" Door.OPEN_TIME = 2 function Door.new(door) -- Create a table which will act as our new door object. local self = {} -- Setting the metatable allows the table to access -- the SetOpen, OnTouch and Cleanup methods even if we did not -- add all of the functions ourself - this is because the -- __index metamethod is set in the Door metatable. setmetatable(self, Door) -- Keep track of some door properties of our own self.door = door self.debounce = false -- Initialize a Touched event to call a method of the door self.touchConn = door.Touched:Connect(function (...) self:OnTouch(...) end) -- Initialize the state of the door self:SetOpen(false) -- Print a message so we know when doors are initialized print("Initialized door: " .. door:GetFullName()) return self end function Door:SetOpen(isOpen) if isOpen then self.door.Transparency = .75 self.door.CanCollide = false else self.door.Transparency = 0 self.door.CanCollide = true end end function Door:OnTouch(part) if self.debounce then return end local human = part.Parent:FindFirstChild("Humanoid") if not human then return end self.debounce = true self:SetOpen(true) wait(Door.OPEN_TIME) self:SetOpen(false) self.debounce = false end function Door:Cleanup() self.touchConn:disconnect() self.touchConn = nil end ------------------------------------------------------------------------------ -- In this section of the script, we want to listen for objects with the door -- tag. When we find one, create a new Door and keep track of it. When the door -- tag is removed, we'll find the Door we created and destroy it. local doors = {} local doorAddedSignal = CollectionService:GetInstanceAddedSignal(Door.TAG_NAME) local doorRemovedSignal = CollectionService:GetInstanceRemovedSignal(Door.TAG_NAME) local function onDoorAdded(door) if door:IsA("BasePart") then -- Create a new Door object and save it -- The door class will take over from here! doors[door] = Door.new(door) end end local function onDoorRemoved(door) if doors[door] then -- Clean up an already-existing door doors[door]:Cleanup() doors[door] = nil end end -- Listen for existing tags, tag additions and tag removals for the door tag for _,inst in pairs(CollectionService:GetTagged(Door.TAG_NAME)) do onDoorAdded(inst) end doorAddedSignal:Connect(onDoorAdded) doorRemovedSignal:Connect(onDoorRemoved) COPY CODE LIGHT THEME TREMOLOSOUNDEFFECT
