Unity is a cross-platform game creation system that focuses on easy art pipeline process. It consists of a game engine and an integrated development environment. The game engine's scripting is built on Mono.

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Kart Racing Attack AI

I am developing a kart racing game. In it, the players fight with each other while racing. There were several ways I tried to add attack AI to the enemies and the player. When the user clicks on ...
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75 views

Level Data with JSON [closed]

I am doing level data for a game in Unity with C# I have it in my game as int[,] data = { {0,1,1,0,0,0,1,1,0}, {1,1,1,1,1,1,1,1,1}, {1,1,1,1,1,1,1,1,1}, ...
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122 views

Unity: How to get a GameObject programmatically?

I have created a prefab. In Unity Scene editor, I dragged the prefab into the scene and named it PrefabA (this is a GameObject instance of the Prefab). Now, I need to update the PrefabA position. How ...
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66 views

Unity3D Tag as a public variable in editor

How do you incorporate Tag strings into a scripts editor found in the inspector? What it is I'm babbling about: When you create a public GameObject fooObject in a script, it shows up as a box that ...
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84 views

Unity3D: Storyboard-esq animation - a beginners question

As part of an interactive book I'm developing in Unity3D, I'm attempting to make an introductory scene that consists of moving lots of objects at different times - usually when another animation has ...
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151 views

What would cause my script generated buttons and text to show in Unity and not on my phone?

I am using Unity 5 and the built in GUI tools. My static GUI shows up just fine which makes me think it's not a text/font issue or some such. Again, it all looks good in the Unity editor when I hit ...
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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): ...
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232 views

Resize sprite to match camera width?

I'm trying to resize my small background sprite to match the screen width of the user's device. This is what I'm trying // Use this for initialization void Start () { // Set filterMode ...
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1answer
63 views

Broadcast message to Parent Gameobject and Siblings in Unity

I wish to broadcast a message from one object to it's parent and it's siblings. I am aware that unity does not support broadcasting a message to all other game objects but is there a way to broadcast ...
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1answer
102 views

How to use polymorphism with the Unity editor

For example: [System.Serializable] public class A { [SerializeField] public int x; } public class TestA : MonoBehaviour { [SerializeField] public A a = new A(); } ...
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52 views

Whats causing this weird texture stretching on my mesh?

Making this mesh via code and the texture seems to only tile on the sides, but not on the top. Any idea whats going on? public class CoreMeshCreator : MonoBehaviour { //Initialization public void ...
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93 views

How do I make my character stop going left? (Unity)

So I have this code and my character can go left, right and jump. I don't want the character going left , so how can I remove that. (I'm very new with coding) using UnityEngine; using ...
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163 views

Pause in Seconds and resume in unity

I want to pause 15 seconds then resume without any input when an object is collision other object this is my code but not working. Thank you void Start(){ Eifftower = ...
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795 views

Unity Remote 4 on Galaxy S5 won't connect to Unity 5

I'm having some trouble connecting Unity Remote 4 to Unity 5. I'm using a Samsung Galaxy S5. I've searched a bit and the other solutions with other phones aren't working for me. What I've tried so ...
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1answer
242 views

Unity sprite with higher sorting layer not firing its OnMouseDown function

I have 2 objects, both have a Box collider 2D. The first object is on the Level1 Sorting Layer and has a Tile script attached to it. The second object is on the Level0 Sorting Layer and doesn't have ...
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1answer
221 views

Quaternion Slerp and Lerp implementation (with overshoot)

I am working with Unity (C#) and was looking for an implementation of Slerp and possibly Lerp that allow overshoot (progress not strictly limited to 0..1 range). I want to do some tweening animation ...
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1answer
176 views

How to cast colored shadows

I have a glassy object and when light passes through it I want it to cast colored light behind it, instead of the shadow. I could just use another light object to cast that colored light, but is it ...
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1answer
129 views

Polygons requirement on mobile devices, around 3000 vertices?

I read on the unity documentation that a character should be between 300 to 1500 "polygons" on mobile devices to have good results. In Blender, we have "tris" or "faces", does "polygon" stand for the ...
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419 views

Instantiating prefabs dynamically in script

I have a canvas object. I right click it and add a Button, which defaults to having a rect transform, image script, button script and text child object. I make it a prefab and delete it from my ...
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1answer
87 views

Determine which face of a cube is facing the camera

I have a Cube with a unique color for each face. I made a script where I can swipe and rotate the Cube in increments of 90 degrees in each direction. what's the best way to determine which face of a ...
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1answer
51 views

Check for collision without any built-in collision functions

Is it possible to check for a collision between gameObjects without using the built-in functions OnCollisionEnter, OnCollisionStay, or OnCollisionExit? Preferably a solution without the use of ...
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1answer
117 views

Collision, triggering, and range detection in an RTS. What are the optimal solutions for unit spatial awareness?

I've finally ran into the problem of multiple triggers and collisions within my 2D RTS. Up till now I've been using unities sphere colliders as a way of simulating spatial awareness. To trigger when ...
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1answer
64 views

Why is rotation not applied instantly?

I am working though the Space Shoot tutorial and I have just applied tilt to the player object. One of the things that I have noticed is that the tilt is not applied instantly but instead the player ...
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2answers
175 views

Best way to constrain character to a path?

I'm in the process of developing a level-based runner for mobile phones, and I've hit a wall when deciding which method to use to get the character to move through the level. Basically - I need my ...
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1answer
85 views

Unity free look camera on two axes. How do I do it?

I'm new to Unity and c# but have programming experience... I have a a simple "game" in Unity that shows one sphere orbiting another. How do I allow the camera to be moved by the user in a "free ...
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2answers
943 views

Instantiate a prefab on unity and make it appear at a specified coordinate

I have a prefab called 'road'. How can I instantiate it using C# script so that the instantiated object appears at coordinate (5,5,5) ?
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1answer
318 views

How to create a ladder script in Unity [closed]

I tried to create a climb script and found some similar code. I would like to climb with my player on a ladder. I came up with the following: bool canClimb = false; float speed = 1; GameObject ...
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1answer
2k views

Unity - Basic AI Enemy Follows Player - Prevent Flocking Of Enemies Together

I'm in the process of implementing a 2D top-down shooter game. I have a basic AI script that allows enemies to follow the player around. Currently it works fine for one enemy, but as soon as there are ...
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1answer
203 views

My .FBX model is not picking the .TGA texture file

I'm at a complete loss. An artist has sent me a 3D model so I can test it in Unity. This is exactly what I got: - Guy.fbx - Guy_DIF_512.tga Alright. So I move the folder into the Unity ...
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3answers
111 views

How do I make my camera follow my cube? [duplicate]

I've recently started to learn some C# scripting in Unity. I've been able to make my PlayerCube move around using Vector3 Transform.translations, but I want my camera to follow my cube while moving ...
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1answer
52 views

How can I refactor an enum so that it is still available in the inspector?

I am trying to use an enum so that it is available in the inspector. This code works: public ArmorTypeEnum ArmorType; public enum ArmorTypeEnum { Light, Medium, Heavy }; How can refactor it into a ...
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2answers
66 views

Is there a difference in the time taken to load one texture instead of many?

Is there a difference in the loading time of 16 256*256 textures versus a single 1024*1024 texture? Specifically for level loading time?
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1answer
83 views

What's the scope of RPCs in unity?

I can define several RPCs in unity and I can call them via the networkView component. But it seems that it gets the RPC called regardless where it is defined. So I was wondering to know how do the ...
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413 views

Designing AI/NPC Task System

I am designing a game in Unity which has NPCs (Non-player controllers). I have worked out the path-finding but I need some help with how to implement tasks. I need the task system to be flexible and ...
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453 views

How do I properly apply root motion when using a blender exported FBX in Unity?

So I realize the common way for animations to be done is in-place with sliding feet, then control the animation playback to coincide with the character's feet, etc. However, given a scenario such as a ...
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1answer
3k views

Unity 5 2D drawing sprites programmatically

How can I draw sprites in Unity 5 programmatically ? I am looking for something similar to spriteBatch.Draw() in XNA. The results I get when I search about it are either outdated ...
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1answer
808 views

How to rotate an object to face another in Unity?

I'm having an issue where I can't seem to rotate my bullet appropriately whenever I spawn one. I currently have a capsule prefab I am testing with. I spawn it with the following code. ...
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2answers
1k views

Unity: DontDestroyOnLoad

I'm viewing tutorial of Unity. In this tutorial, I see this piece of code: public class GameControl : MonoBehaviour { public static GameControl control; public void Awake() { if ...
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1answer
221 views

Camera is centered on character, but doesn't show character in game window

I'm using Unity 4.6.3. I create an animation from sprite. When I press Play button, I see animation plays on scene window, but on Game Window, I don't see anything. Here is Inspector for main ...
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49 views

Importing code from unityscripts

To encourage code reuse- i want to import methods and classes defined in my core unityscripts to be imported into other unityscripts. How do i go about this? Note: An answer here seems too ...
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1answer
304 views

How to write testable MonoBehaviour and test scripts in Unity?

I had problems with decoupled scripts and exposing interfaces in Unity, and these answers helped me a lot. But now, since I don't have hard-coded references in my scripts, I wanted to write unit tests ...
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3answers
329 views

unity destroy enemy when jumping on it

I am creating a 2D platformer using Unity3D, I want to have the player destroy enemies when it jumps/falls over them (just from the top). But I have been having problems trying to implement this. I ...
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1answer
1k views

Unity 4.6 UI button AddListener sets the same callback to all items in List

I have this method that is looping through a list and sets values on the current item in the list. Everything works fine the lists values are correct exept the AddListener. All listeners on the ...
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2answers
171 views

How to prevent intepolated texture in fragment shader (Unity CG)

Think about minecraft - all the textures in minecraft have a very nice crisp pixelated look. Well, I'm trying to write a shader that will do this but it appears "sampler2d" returns some sort of ...
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1answer
2k views

Graphics Raycaster of Unity; How does it work?

I'm making a small game for the first time and enjoying it thus far. The only thing that keeps bothering me is that I can't find a human explanation of what the graphics raycaster does. What's the ...
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2answers
305 views

Rotating an object towards a target on the Y axis

I am attempting to rotate a 3D object on its Y-axis towards a target it is looking at. I have always struggled with rotations so I would like to try to avoid using Unity's built in functions, i.e ...
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1answer
181 views

Unity game in edit the scene mode all of a sudden became incredibly slow/“laggy”

So I recently have been working on a game. So far I have very few assets in the game, which are a point light, a piece of terrain (which is textured), a player controller and a tree. Everything was ...
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64 views

Fire an event while the mouse is down within my box 2d collider in Unity

The method OnMouseDown() is called once when the mouse presses my box 2d collider. Is there a method that keeps firing while the mouse is still holding the button down inside the collider? Something ...
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2answers
114 views

Unity3D | Cost of accessing a script via a static reference to the instance

I saw this pattern around and I was wondering what would be the pros and cons about it. Does this suffer performance issues ? If so what would be a better alternative? using UnityEngine; using ...
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119 views

Using a different “max texture size” depending on the device

I am developing an Unity game for a wide range of iOS devices. I noticed that some scenes load pretty fast in the iPad mini 3, but very slow in the iPad mini 1. Of course, that's to be expected as one ...