If you've spent any time in Roblox Studio lately, you know that getting a roblox door script to function properly is basically a rite of passage for every developer. It sounds like such a tiny thing—it's just a door, right?—but the moment you try to make one that doesn't just "teleport" open or glitch through the floor, things get a little more interesting. Whether you're building a high-security lab or a cozy cottage, the way your door moves tells the player a lot about the quality of your game.
I remember when I first started out, I'd just make the door non-collidable and call it a day. But let's be honest, that feels cheap. You want that smooth, satisfying slide or swing that makes your world feel alive. Today, we're going to talk about how to actually put one together without pulling your hair out.
Why TweenService is your best friend
Back in the day, people used to use "while" loops to move parts bit by bit. It was jittery, it lagged, and it just looked bad. These days, if you're writing a roblox door script, you absolutely need to use TweenService.
Think of TweenService as your personal animator. Instead of you telling the part exactly where to be every millisecond, you just tell the script: "Hey, I want this door to be at this position in 0.5 seconds, and I want it to start slow and end slow." Roblox handles all the math in the middle. It's smoother than butter and much easier on the server.
If you aren't using tweens, you're making life way harder for yourself. It allows for "easing styles," which means you can give your door a heavy, mechanical feel or a light, snappy bounce just by changing one word in your code.
Setting up the door model
Before we even touch the script, we need to make sure the door is built correctly. If you just grab a block and slap a script in it, you might find that the door rotates around its center instead of its hinge. That's a classic mistake.
To fix this, most people use a "PrimaryPart" or a hidden hinge part. Imagine a real door; it doesn't spin like a propeller from the middle. It swings from the edge. In Roblox Studio, you can create a small, invisible part where the hinge should be, weld the door to it, and then script the hinge to rotate. When the hinge rotates, the door follows it perfectly.
Make sure your door parts are Anchored. If they aren't, the moment you hit play, your door is just going to fall through the baseplate and disappear into the void. We've all been there, and it's always embarrassing.
The classic ClickDetector approach
There are two main ways players usually interact with doors: clicking on them or pressing a key. The ClickDetector is the "old school" way, but it still works great for point-and-click games or escape rooms.
When you put a ClickDetector inside your door part, it gives the script an "event" to listen for. Your roblox door script basically sits there waiting until someone clicks. Once that happens, you fire off a function that checks if the door is open or closed.
You'll want a simple "boolean" variable—which is just a fancy way of saying a True/False toggle. Let's call it isOpened. If isOpened is false, the script runs the "Open" tween and sets the variable to true. If it's already true, it runs the "Close" tween and sets it back to false. It's a simple loop that keeps things organized so your door doesn't try to open twice and fly off into space.
Moving to Proximity Prompts
If you want your game to feel more modern, you should probably ditch ClickDetectors and use Proximity Prompts. You know those "Press E to Open" messages that pop up when you walk near an object? That's what these are.
The cool thing about Proximity Prompts is that they work natively with controllers and mobile devices. If a player walks up with a gamepad, it'll show the "X" button. On a phone, they just tap the prompt. It saves you a ton of work in making your game accessible.
In your roblox door script, the logic stays mostly the same. Instead of ClickDetector.MouseClick, you use ProximityPrompt.Triggered. One little tip: set the "HoldDuration" to something like 0.2 seconds. It prevents players from spamming the door open and closed so fast that the animations break.
Handling the movement logic
Now, let's talk about the movement itself. You have two main choices: sliding or rotating.
Sliding doors are actually the easiest. You just take the current position and add or subtract a few studs on the X or Z axis. Rotating doors are a bit trickier because you're dealing with CFrame.Angles.
When you rotate a door, you're usually moving it 90 degrees. One thing that trips people up is that Roblox uses "Radians" for math instead of degrees. Instead of typing "90," you have to use math.rad(90). If you forget that, your door is going to spin like a top because the script thinks you want it to rotate 90 radians, which is a lot.
Making it sound right
A door that doesn't make a sound is just a ghost. To make your roblox door script feel "premium," you should trigger a sound effect right when the tween starts.
Find a good "creak" or "sliding" sound in the Creator Store, put it inside the door part, and then call :Play() in your script. If you want to get really fancy, you can have a different sound for opening and closing. A heavy "thud" when the door closes adds a lot of weight and satisfaction to the interaction.
What about locked doors?
Eventually, you'll want to restrict who can go through. Maybe they need a keycard, or maybe they need to pay some in-game currency. This is where you add a "conditional" to your script.
Before the code runs the Tween, you add an if statement. For example: if player.Backpack:FindFirstChild("GoldKey") then. If the player has the key, the door opens. If they don't, you can play a "locked" sound effect or even make the Proximity Prompt turn red for a second.
This is also a good place to think about Server vs. Client. If you put the script in a regular Script (on the server), everyone sees the door open. If you put it in a LocalScript, only that one player sees it open. For most games, you want the server version so people aren't walking through doors that look closed to everyone else.
Avoiding the "Stuck" glitch
We've all seen it: a door that starts opening, then someone clicks it again, and it gets stuck halfway or starts jittering like crazy. This happens because a new tween starts before the old one finishes.
To fix this in your roblox door script, you should use a "debounce." It's basically a variable that acts as a lock. At the start of the function, you check if isMoving == true then return end. Then you set isMoving to true, run your tween, wait for it to finish, and set isMoving back to false. This forces the door to finish its movement before it can be messed with again. It makes the whole experience feel much more "pro."
Final touches and polish
Once you've got the basic movement down, start thinking about the little details. You could add a light that turns green when the door is open, or make the door slightly transparent.
The best part about a solid roblox door script is that once you write a good one, you can just copy and paste it into every door in your game. Just make sure you're using relative coordinates (like door.CFrame * CFrame.new(0, 0, 5)) rather than fixed positions in the world, so you can move the door anywhere without having to rewrite the math.
Coding in Roblox is all about experimentation. Don't be afraid to break things. Usually, the best way to learn is to see your door fly across the map and then figure out exactly which line of code caused that chaos. Happy building!