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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87 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 ...
5
votes
3answers
150 views

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 ...
3
votes
1answer
56 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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2answers
78 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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2answers
81 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
62 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 ...
4
votes
1answer
326 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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vote
1answer
33 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 ...
2
votes
1answer
93 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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vote
0answers
26 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 ...
2
votes
1answer
67 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 ...
0
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0answers
76 views

Unity 5 2d array for storing game objects and their data

I want to have a 2D array which has a number of rows relating to the number of game objects and 3 columns. I want each row to have the name of the game object and its position and velocity. Is this ...
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vote
2answers
212 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. public GameObject brick; public Transform ...
0
votes
1answer
166 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 getting with the same status. My ...
0
votes
2answers
61 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.
0
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1answer
71 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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vote
2answers
107 views

Determine facing direction mecanim 2d movement

I'm using this script to move my character in my 2d world: public float speed; //Movementspeed public Rigidbody2D rbody; Animator anim; void Start () { rbody = ...
2
votes
1answer
311 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
0
votes
2answers
89 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?
0
votes
1answer
92 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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0answers
36 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 ...
3
votes
1answer
103 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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0answers
345 views

Unity3D - Unable to attach script to GameObject prefab at runtime

I've got a script that manages a scene browser within my application where I'm hoping to generate a new button instance for each scene found. I've put together a button that I've made into a prefab ...
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votes
2answers
499 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 ...
0
votes
3answers
441 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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vote
2answers
398 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?
0
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2answers
68 views

Can we create same name class for different objects in unity?

I have four similar objects in my game. As they are all similar therefore I have created a single script that defines mash for all of them. The script that defines mash for these objects uses a ...
4
votes
4answers
733 views

What are the differences between using “GetComponent<Transform>()” and this.transform?

I've been reading some example codes and working on my own stuff in Unity. I've been seeing a lot of GetComponent, and often this will be done for the transform: Transform _transform = ...
2
votes
2answers
257 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.
1
vote
1answer
85 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: CameraObj returnVoid; void Start () { returnVoid = ...
0
votes
1answer
91 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 ...
0
votes
1answer
54 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 ...
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vote
2answers
88 views

Accessing a newly Instantiated Object

I currently am creating a script that allows the player character to attack by shooting orbs at foes. I have the current code to do that (not final code, for testing purposes): ...
0
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0answers
41 views

Scale Gameobject with defined size in pixels

I'm still new with Unity (5.0.0f4 Personal). I'm working on a simple memory game, three levels with different number of cards to find pairs. I want my game to display cards on different screen sizes ...
0
votes
1answer
81 views

Unity 2d - Destroying foreign object from script + seek explanation about destroying objects

I have simple emmiter which sending enemies toward player in center of screen. Player can shoot missile (also emmiter). I want to destroy enemy AND missile in same time. Here is my code attached to ...
3
votes
4answers
384 views

How to enter a level when touching an object

I am working on a project in Unity 4.6.1f1 and I was wondering how can I make a cube touch another cube to go to the next level (the image below)? ! EDIT: I made a script and put it on the purple ...
1
vote
1answer
393 views

How to move objects in any direction by swiping with libgdx android game development

first of, I'm new to android game development so I don't know all the classes and dictionaries within android and libgdx. I'm actually following a game development tutorial for the first time ...
1
vote
1answer
935 views

Destroying Unity GameObject when it goes out of camera during runtime

I have this GameObject instanciated in unity - void Start () { GameObject myRoadInstance = Instantiate(Resources.Load("car"), new Vector3(5, 5, 5), ...
0
votes
0answers
57 views

Particle system ONGui()

I have some scripts which uses OnGUI() method and they are attached to my GameMenu object. I need to play a particle system on the scene while the GUI scripts are active. When I do that I cant see the ...
0
votes
1answer
141 views

Check if is object in camera field and not covered by other object

I know how to check if object is in camera view but how I can check if that object is cover by something elese? In my case I want to turn on or off some effect when I look at light. At this moment my ...
3
votes
1answer
117 views

Unity - C# - Overlapping Rectangles not separating

I am Instantiating a lot of Rectangles of different sizes (ranging from 3 to 18 units) and they all have attached this script, which should cycle through all the GameObject List which contains them. ...
2
votes
2answers
2k views

How do I save and restore an int value with PlayerPrefs?

I am stuck on how to save the player's amount of money. When I build the game in the exe as soon as I shutdown the game my money value gets lost. I want this money to be saved. I am using the ...
0
votes
2answers
114 views

Questions about property-centric game object runtime

I was reading Game Engine Architecture by Jason Gregory So according to him, I should use an array of entities, and arrays for each property, such as an array gameObjectsPosition, ...
0
votes
2answers
51 views

Refer to a gameobject on start

So I want my script to set the initial position of an object depending on the size of the screen and whatever. How do I refer to the gameobject? I know you can modify stuff like their location if the ...
0
votes
1answer
386 views

Help with understanding “transform.root.GetComponent<>” in Unity

I'm reading through a tutorial for making an RTS in Unity, and in certain scripts it wants you to make a Player field and then OnStart(){ transform.root.GetComponent}. I am not quite getting what that ...
2
votes
2answers
123 views

Destroying object from object method

My game uses an entity manager and entities to represent everything including the player, enemes, items, ..everything in the game. In my engine it's the responsibility of every entity to update ...
0
votes
1answer
128 views

Unable to instantiate objects Straight in unity

I am creating a match card game in unity and I want to place cards in straight direction that is one below another and so on... But with my formula It's showing cards one after another.Please tell me ...
0
votes
1answer
232 views

Assigning multiple game objects to a single sprite (Unity)

I've been making a pokemon game clone on my own with Unity, as I'm a beginner and just trying to learn. Up until now I've been splicing the town pictures and manually putting them together, but this ...
0
votes
1answer
784 views

How can I edit the components of an instantiated prefab?

Is it possible to edit one or more components of an instantiated prefab ? For example if you instantiated five cube prefabs. Is it possible to reference each of the cube prefab and change a value ...
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votes
0answers
38 views

Resize gameObject when it has extended a restricted area

So here i have an image will provide a better understanding of my problem. So currently i have some white blocks and within the white blocks i have some cyan bordered boxes. So the current problem i ...