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Questions tagged [gameobject]

A game object is any object in a game that the player can see and/or interact with. The player object, power ups, enemies, platforms, walls, weapons (if collision detection is considered) and projectiles are all game objects.

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How do I program a fan in a platformer game?

Fan physics I have a platformer game and want to have fans in it that blow in a given direction and if the player presses the jump button they can go even further. How do I do this? side note: I ...
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48 views

(Unity) Values set in Start() will be reset?

This is my GameController GameObject in the Inspector (Ignore Suns and Player). Note that ...
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30 views

how to move array of GameObject at a time in particular direction in Unity?

I just started learning Unity and c#, my objective is to move array of GameObject at a time in particular direction in Unity
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Do inventory items have to live in the game world?

I'm trying to create an inventory system. There's a few parts to it: Item (scriptable Object just the data like name etc of the item) ItemDatabase which takes array of Item (scriptable object) and ...
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Model turning 2d when it's parented

I'm importing arms from blender for my first person controller but when I make the player the Arms' parent it turns 2d. I have no idea why this is happening so if anyone could help it would be very ...
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Looping through children in a foreach loop

I have a gameobject with a bunch of empty gameobjects as children that I want to use as spawn positions. I want to loop through each of these positions and have a certain amount of probability that ...
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Resize game object using single drag handle using Unity

Really need your help. I'm trying to create a custom controller for my app to allow users to resize and rotate game objects using a single drag object. I was able to create the code to create the ...
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GameObject transform localPosition not setting when you use a function to set somewhere else in the code

So z position on some gameObject being generated from a prefab was being set wrong. I create to function to do like a reset transform thing, but when I set the localPosition in the function it does ...
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29 views

Access a clone of an instantiated object - not all the clones?

I am trying to access the object I instantiate - basically a prefab car instantiates cars (one after one) ..the problem that when try to move one .. they all move together ... what's the best way to ...
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Instantiate unity sometimes lags the game some times it doesnt

I have a script that instantiates a object lets say every half a second. THis object is of the type .fbx and has a file size of 53kb, lets call this object A. When ...
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1answer
30 views

GameObject.FindWithTag throwing weird errors

I've got 2 first person controller scripts, one that handles functionality for basic movement, the other handling looking around. I also have a "CursorLockManager" script, that handles the cursor ...
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1answer
85 views

“SetSelectedGameobject” only highlights button on second try (Unity 2017.3)

To support the use of a gamepad in the options menu I set SetSelectedGameObject and firstSelectedGameObject (which doesn't seem ...
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What are the extents of an Axis-Aligned Bounding Box (AABB) in Unity 2D?

In Unity 2D, you can attain values for collider2D.bounds.extents and collider2D.bounds.size. What are the actual "extents" of ...
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How do I move many “static relative to each other” objects around?

I'm currently building an Elevator Bank simulator in Unity3d and I'm stuck on how to reduce the amount of objects it's going to generate when it's done. The simulator will consist of one player (for ...
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2answers
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I need to keep music playing but still be able to mute it between games, how?

I have a game built in Unity. The game plays music continuously, which can be muted on button press on the scene. This works fine using the below code: ...
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1answer
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Unable to add button in Unity

I am wanting to add a button to my scene in order to mute/unmute music. I can add the button to my scene, but it's not appearing on the UI. I can't see it anywhere, not on the scene nor the game ...
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46 views

How do I prevent repeated interactions between two game objects?

I am making a game where a player will jump into another object called land and everytime the player lands or collides with it, a score will be given, now my problems is that my method has a loophole ...
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38 views

How can I access a method on a child elements script in Unity?

I'm using Unity. I have an empty elements called GameElements which I programmatically add child elements to (players can spawn these objects themselves in-game). ...
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2answers
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After using Unity's Destroy() function, I see the Prefab Clones are now called “New Game Object” is this a problem?

I use a prefab to generate several gameobjects which I then get rid of with the Destroy() function. I noticed the clones, when destroyed are replaced with "New Game Object". Because of the nature of ...
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Unity3d - Do I need to destroy gameobject AND script?

From proper leak protection do I need to delete both of these or will getting rid of one take care of both? Currently I am destroying the script AND the gameobject ...
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Unity each gameobject found twice using FindGameObjectsWithTag

I create 5 gameobject instances: GameObject angryasteroidcloneeast = Instantiate(angryasteroid, pos, angryasteroid.transform.rotation); Triple check that ...
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1answer
47 views

Are constantly growing (in dimensional size) GameObjects a problem?

It's possible the following is fundamental to Unity, and not a problem? I am using an example of a WheelJoint2D/Car from the Ray Wenderlich tutorials. Note from the pic below, the top level game ...
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3answers
48 views

Public value null after assigning it from a different script

Hello I am a beginner in Unity and still currently exploring with scripts. So I ran into a problem. In FetchAndAssign.cs Script ...
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1answer
55 views

How to create a grid of 3d objects without making them actual GameObjects

Very simple question: If I'm going to be generating and placing a lot of 3d objects (in this case cubes), that are not going to be interactive, like no collision, no raycasting intersections etc. ...
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How to dynamically construct a reference to a game object by name

I have game objects tagged MenuOption0, MenuOption1, MenuOption2, etc. I want to keep a currentIndex var, which gets incremented each time the user swipes on the controller. That swipe should ...
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1answer
70 views

How to store 3d transformation in a game?

I am curious what is the best strategy to save 3d transformation of a model. Here are the few choices I think about: 4x4 matrix 4x3 matrix(skip the bottom row of a 4*4 matrix) Dual quaternions with ...
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2answers
72 views

What are common methods for organizing game objects?

I'm in the early stages of developing a game in C++. As of currently, I've defined a base GameObject class that is the base class for any interactive item in my map (e.g. enemies, loot, projectiles, ...
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376 views

How to arrange child objects in a grid

i have a gameobject that have a group of plane meshes that created randomly as child every one of this planes have a "2f" offset in x axis between every plane what i wanna do is i wanna make the ...
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166 views

How do you rotate a Unity gameobject with the device's gyroscope?

I currently have a gameobject placed atop a wedge as in the image below: I want to make the user have to rotate their device to keep the rectangle balanced upon the wedge. Here is the C# code I have ...
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1answer
39 views

How can I determine when colliders of two gameobjects touch one another?

I stop gameobjects from colliding with one another by having box colliders around the gameobjects with dimensions bigger than the gameobjects. It works fine, but I want that when the gameobjects ...
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158 views

Load & display .obj file at runtime using the FastObjImporter

I want to import and display an .obj file at runtime and found a fixed version (click, direct link to pastebin) of the FastObjImporter from the Unity wiki (click). Since my .obj file doesn't include ...
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How to keep count of gameobjects as they are created?

I am creating multiple gameobjects and I need to keep count of these gameobjects as in on number 1 so and so gameobject is generated, then on number 2 other gameobject is created and so on. I don't ...
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2answers
26 views

GameObject With Background Covers GameObject Without Background

so I have two sprites, a box and an X animation (I'm making Tic-Tac-Toe). So, in the code, when I click on the box, it instantiates the X animation at the right place. The X animation does not have a ...
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Why is my inherited class's transform always null?

I have a class inherited to another class, and I can't get the transform on the inherited class. Here's what i have and trying to do ...
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1answer
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How to make sure that a GameObject which gets a certain tag first, is allowed to do something first?

I have created a trigger zone to make sure that only one gameobject should pass through the trigger zone at once. Other gameobjects approaching the trigger zone are made to stop just outside the ...
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3answers
224 views

Is it possible to have two trigger zones around the same GameObject in unity?

I have created a trigger zone to make sure that only only gameobject passes through it at a time. The moment the gameobject1 entered the trigger zone, it is given a particular tag but I am not how to ...
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2answers
290 views

When there are multiple objects of the same type, how do I know which one I am colliding with?

I'm working on a platformer game using Gamemaker Studio 2. , and currently I'm dealing with implementing platforms: (Platforms are able to pass through from the bottom, but remains solid when landing ...
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1answer
63 views

GameMaker Studio 2 - How to place object back beyond X coordinate for looping (warp)?

I'm making a side-scrolling shooter where I want an object to move from right to left (towards negative X), then, when it's passed out on the left side, jump back to beyond the window width (right ...
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2answers
260 views

How to make UI Button to rotate an gameobject?

I'm trying to make a button to make a gameobject rotate and stay rotating in its own axis (Y) but I cannot make it work... As far as I know it's very simple: Create an empty gameobject (or whatever ...
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1answer
35 views

How to automatically destroy a gameobject after a method or block of code

In Unity I frequently find myself doing this in C#: ...
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31 views

Restore scene by adding stored objects

My game has a bunch of GameObjects that I created with code at runtime and that I "store" in an array in a static class. When I unload the scene and load it again, these objects are gone (of course). ...
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1answer
659 views

Can a Component.gameObject be null in Unity?

Can a Component.gameObject be null in Unity? If it can what can cause it to be null? The context for the question is a ...
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1answer
35 views

Unity use image to load prefabs along a line

Say I have an image of PNG or a bitmap with a line zigzagging through it. I have done quite a bit of research in the answer still eludes me to how to use an image in unity and have it generate ...
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1answer
800 views

Is there a way to make a game object invisible to only certain players?

I have found a few posts and blogs here and there. But all of the solutions they provide seem to be global. Is there a way for let's say a multiplayer scenario where maybe an enemy has a cloaking ...
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2answers
1k views

Unity, rb.MovePosition and transform.Rotate at the same time

I can't figure out why my object can't move and turn at the same time. ...
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1answer
552 views

UnityException: Transform child out of bounds (only in built APK)

In the Unity Editor, this code helps me to get the Fog GameObject: ...
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1answer
111 views

Using StartCoroutine() and WaitForSeconds()

I am trying to perform two operations. First I want to increase the size of a GameObject and then delay for 0.1s before returning it back to its original size. However, when I try using StartCoroutine(...
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1answer
21 views

Attach the UIButton to Component Via Script (C# Unity)

I want to attach the UI to the MC_Streaming Option Script via Code . What i wanted here is that this live_onOff will go to the Livestream(MC_Streaming Option) ...
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1answer
51 views

Calling Functions from Other Scripts

Say I have three different gameObjevcts, each representing rock, paper or scissors. These objects all have a Player script ...
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1answer
111 views