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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306 views

What happens with associated animation clips when I copy a gameobject in Unity?

I have a gameObjectOne that has two animation clips: move into the screen and move out of the screen. This gameObjectOne has an animator that checks when each clip has to be played. Now I duplicated ...
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62 views

Which GameObject should I put the animator on?

I have a GameObject. One of its children is an empty GameObject, whose children are the body parts which need to be animated. ...
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2answers
903 views

How do I pause and unpause gameobjects on is own in the scene without pressing keys in unity3d

I can't get my gameobject to pause or unpause in the scene in Unity3d. I need the game to pause for a couple of seconds maybe longer than unpause by itself. Here is my script : ...
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2answers
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How to automatically delete an object in Unity?

I am new to unity and the other day I was wondering that it would be useful if I could instantiate some objects in my game scene and, as they get instantiated, make it so that they get automatically ...
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1answer
59 views

What is this tracking circle called as?

I don't know what the circle in the image below used for changing directions and movements of a character is called. Can anyone provide me anything related to it? I want to include it in my game.
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1answer
369 views

How do I use Couroutines for spawning and spawn certain amount of enemy AI in the scene?

I have made a spawn function for spawning enemy AIs, and it didn't work well in my scene. I have the enemy AIs spawning in the update function, and it initially works fine, but it's spawning too many ...
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1answer
89 views

gameObject and col.gameObject both get destroyed

I want a square[0] to be destroyed by triangles(tag = 2) and circles(tag = 3) when the square comes into contact with them. Also I want square[0] to destroy square(tag = 1) and not be destroyed ...
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1answer
369 views

Unity2D - How to destroy my Instantiate particle system

I'm having trouble trying to destroy my Instantiated particle system, I can only destroy my gameobject ...
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0answers
112 views

How to disable and enable a randomly generated prefab in an endless runner 3d

Hi all I have been experimenting the endless runner game for some time and needed to optimize it. I read some articles about optimizing my game and it says that once you instantiate the prefabs in the ...
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2answers
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Prefab Instantiates into scene, but when I store a reference to the instance it's null

I am instantiating and parenting two objects - the first is a Unity primitive and the second is a prefab cube (literally nothing but a cube made into a prefab). The direct instantiation of the ...
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1answer
6k views

In GameMaker how to check if instance is a given object?

Let's say, I have three objects: obj_square, obj_circle and obj_triangle. Instances of all ...
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4answers
1k views

How to find nearest gameobject on one side

Here is an example: The left enemy robot is closer than the right enemy robot, but I want the character to attack the robot that is closest to him on his right side. I can't use ...
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2answers
7k views

snap an object to another object?

so I have some walls which are cubes stretched along a direction.and I have some windows and doors that are suppose to snap to a wall and don't let go until the desired location is out of the snapping ...
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1answer
10k views

How to get which gameobject the mouse is over in Unity?

So I'm working on a simple drag-n-drop based trading card game for my own amusement. There is a card inspector included. What I want to achieve is to change values in the inspector (which has its ...
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3answers
1k views

Blender assets management and workflow for Unity project

I'm trying to decide how to manage my 3D assets, and even how I should construct a world for my game. I should maybe explain, my game is basically a single explorable world set in a school. It's ...
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1answer
269 views

Simplifying Object Factory

I'm making a game for Android using Libgdx with Android Studio in Java. In my game, I have a class called ObjectFactory which has a method createGameObject(int objectType) which receives an integer ...
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2answers
56 views

Roatating a Game Object downward

In my game I have a rocket which is traveling horizontally across the screen. What I am trying to do is when the player runs out of fuel, the rockets engine stops (already coded) and then the rocket ...
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1answer
767 views

Unity - Hide GameObject that is behind UI

I have the following example: How can I prevent the part of the sprite that is highlighted in red and is behind the UI from being displayed on the camera, but having the background image still ...
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2answers
1k views

How to get obstacles to spawn randomly in x position in an infinite runner? 2D

I'm trying to make two obstacles that are different sized to come in a random order in one straight line where the player is going. Doesn't have to be with object pooling. It seems that the ...
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2answers
51k views

How do I find the location of a GameObject in C#

I'm making an elevator script. Essentially I'm wanting to find the difference between two empty objects so that I can move the elevator between them. To be able to do this, I need to be able to get ...
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1answer
3k views

Collision between UI element and GameObject

When I first started to develop in Unity I followed the Unity Tutorial for the Space Shooter 2D game and used the knowledge from that to create something myself. Looking at it now it may not have been ...
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1answer
985 views

Unity: Assign GameObject to Class that hasn't been yet instantiated

I'm creating a game where I have an Entity class that contains basic entity info (pos, health,..) and some functions. Enemies and Player later on inherit from this class. ...
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1answer
939 views

Does distant and large objects use up a lot CPU usage?

Okay I'm new to Unity, and I'm making a space sim pc game. You know, space is huge, light years of distance between stars. Even if I set 1 AU (150,000,000 KM) as 1 unit, 1 light year will be 63,000 ...
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3answers
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How to handle GameObjects that have been destroyed but are still held by others?

I'm developing my own game engine in C++ as a learning exercise. I have employed a fairly standard method of handling destroyed GameObjects: Mark them as destroyed Have the scene delete destroyed ...
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1answer
161 views

Performance differences: one empty GameObject with multiple child objects vs. single GameObject formed by pre-merging the former child objects

Imagine a robot game where robots are made of pre-built blocks. Therefore, each block is a separate GameObject, with one mesh each. I am trying to understand the conceptual differences behind the ...
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3answers
1k views

Game Object is Instantiating on same position

I am working on a small project . But now I have come across a problem . The problem is the prefab is instantiating on the same position . I want to instantiate a box end to end . The basic set up is ...
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3answers
11k views

How to check if a game object is inside another gameobject

My idea is that there is a plane which is more of a border at top of the screen and if a game object has no more space to fall and it collides with something while it is in that border, the game ends. ...
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1answer
91 views

Method causes OutOfMemory error

If a GameObject in my game has a special ability it triggers it, but I want all the special GameObjects that this GameObject affects to also trigger their abilities, for example if a bomb hits some ...
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1answer
1k views

Can instantiated objects have different material/texture?

While I have some experience with simple 2D games, I am new to more process-demanding 3D games. One basic question that has been concerning me recently and for which I am having difficulties to find a ...
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1answer
6k views

Duplicate a Prefab as a separate asset in Unity 5.2 [duplicate]

I have a Asset which is a collectable object [Pickup] and I currently have eight in my scene, I'd like to duplicate this asset and use it to harm the player [Bad Pickup]. I decided to duplicate the ...
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1answer
9k views

best way to destroy an gameobject in unity

MissingReferenceException: The object of type 'GameObject' has been destroyed but you are still trying to access it. Your script should either check if it is null or you should not destroy the ...
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1answer
108 views

Help with open and close UI Menu on background mouse click

I am trying to make a point and click game in unity 5.2.2. My problem is that I need to have a UI menu to open, when the player clicks with the left mouse button on the background sprite, and it ...
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1answer
82 views

Assigning Objects when duplicated in the editor?

I'm wondering if there is a way to have an Object when duplicated in the editor assign a GameObject variable to the newly duplicated version of itself. Is there an option in Unity or do I have to code ...
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3answers
7k views

Set Parent to Instantiated Objects in Unity

i am having problem in attaching parent to the instantiated objects. I have attached the code below. please tell me where i am doing wrong. Thank you. ...
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1answer
3k views

Unity - SetActive() on GameObject dont works on child's objects

I have the following line of code: GameObject.Find("_obstacles").SetActive(false); It serves to leave an inactive object, but the children of this object are not ...
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2answers
2k views

Create a custom shape from a basic shape

Is it possible to create a custom shape by modifying one of the regular 3D objects in Unity3D 5.1? For an example: Make a cone from cylinder.
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1answer
126 views

Unity why do all gameobjects not dissapear from view when I switch cameras?

I am having trouble with camera switching. I have two cameras: "Camera1" and "Camera2". A "button script" attached to Camera1 allows a switch to Camera2. It also positions the cameras. There is a ...
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3answers
2k views

Determine facing direction mecanim 2d movement

I'm using this script to move my character in my 2d world: ...
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1answer
9k views

How to remove a component of an object in a script?

I want to remove a Sphere Mesh Renderer component from a certain gameobject. I want to do this in a script. How do I do it? I do not want to destroy the sphere itself, just the component
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2answers
2k views

How to check if an GameObject exists in Unity2D? (Javascript)

Im making an AI that checks if the player exists or not. How do I check if a certain object exists and put it in a boolean variable?
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2answers
316 views

Where should I save game object's attributes (hp, score) in Swift?

Scenario: I have a game with several game objects on screen. Each can have different score and hitpoints. When I use collision detection for cannonball vs. ship (example) I need to know which ship is ...
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1answer
161 views

How to use objects with different attribute values in Swift?

I think this is a really basic question and to make it easier to understand what I do not understand, I use the following scenario. Scenario: I have two or more ships in my game. They should have ...
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1answer
145 views

Diversified Game Object List

Recently I started creating a game in java to hone my rusty java (I work primarily with cpp) and because I thought it to be a neat idea. To better illustrate the problem, let me explain a part of the ...
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1answer
8k views

How to enable and disable scripts on a Game Object?

This worked briefly yesterday, I believe I did something to mess this up. All my inputs that I put in are correct; therefor, it must be the code. I want to switch players. While the red cube's script ...
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3answers
3k views

Unity 2D - Instantiate a GameObject and scale it every second

I want to make a bomb-like game object, that when instantiated, takes 2 seconds to charge, and then some other event triggers. The problem is I can't make it scale smoothly for 2 seconds, and then ...
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2answers
3k views

What's the difference between Destroy() and SetActive(false)?

I read about both methods in Unity and wanted to ask about which was the best in efficiency : destroying the object or deactivating it. What is the performance difference?
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2answers
4k views

How to apply a script to multiple Objects in Unity?

In Unity, I've almost 200 or more objects. I wish to apply single script to all those objects. I'm a beginner & learning scripts in Unity. Edit: At the time of editing the scene itself.
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1answer
443 views

Unity3D - GameObject as a static function

Newbie Unity3D/C# developer here. I've tried learning Unity3D during my May/June college vacation and came across a problem:Code 1: ...
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1answer
769 views

LibGDX destroy object when not used

I am developing a game where objects move in the screen. My object is instantiated in Y = 0 and I want to destroy this object when it goes under the screen Height. So if (positionY >= ScreenHeight) I ...
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1answer
112 views

Design Pattern for "Default Object"

I'm making a first person dungeon crawler like Eye of the Beholder. During execution, I have a Map object. It contains Cell objects. Anc each Cell contains, at most, four Wall objects. The Wall ...