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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Trigger for Melee-attack not working

I'm currently trying to add a melee-slash attack to my Sidescroller. For that I decided to to have an invisible box-colliders infront of my character. My idea is to activate it when the attack-key is ...
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80 views

Determine Mesh Vertex Index Given Another Mesh Index

Please bare with me as I explain what I am trying to accomplish :P Each 'X' below represents a mesh vertex: For my Unity3d GameObject (G1); the mesh vertices are stored in a C# List object in the ...
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2answers
766 views

Unity - Avoid using Find method by caching UnityObjects - Code review

I'm trying to avoid using GameObject.Find during runtime to find particular GameObject components when wanting to instantiate them. I have created a cache for the gameobjects from which I can either ...
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600 views

Why Does unity_LightPosition[0] Seem to Depend on Camera Position?

I'm trying to write a fairly basic shader but I keep running into lighting issues with Unity. My first problem was trying to figure out which variable stored the light's position in world space. ...
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329 views

Unity: Rolling a ball around a spherical planet with forces

I'm trying to make a game in Unity where the player character is a ball (a sphere), and the game world is a planet (a very large sphere) that the ball can roll around on. The ball can be rolled in any ...
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2answers
170 views

Effect culling on uneven terrain

I'm trying to integrate a "ground particle" effect (like a fire-circle or similar) in Unity3d, however since i'm using uneven terrain as my terrain mesh, the effect gets culled behind terrain parts ...
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1answer
401 views

Textures selectively not applying in Unity

On certain imported objects (fbx) in Unity, upon applying a material, only the base colour of the material is applied, with none of the tiled texture showing. This isn't universal; on a test model ...
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1answer
548 views

Load previous (last) scene used in unity3d

Im making a 2D game for android and I made over 200 levels/scenes.I also made a game over scene that opens when the players collides with an obscale.In the GameOver scene I added a retry button which ...
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3k views

Unity Move sprite from point A to point B

Pretty new to Unity and i'm trying to make a very simple iphone game. , I'd like to know how to move a sprite (2D) move from random point A to random Point B not just that, but i want it to change ...
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284 views

Different OnMouseDown functions based on where an object is clicked

So my problem is I'd like to have one GameObject with multiple "OnMouseDown" functions. I have a target (classic looking bullseye) and I'd like to award a player say 10 points if they click on it, but ...
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532 views

Scaling HUD and Camera

I wanted to display an HUD, similar to the strategic games' one (like in DotA 2, Warcraft III, Starcraft II or Age of Empires). I didn't really know how to do it, so I managed to create a Texture ...
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287 views

Unity3d not allowing endpoint to save cookies

So I'm using an external DLL with Unity to login to a web service and access functions from it. The DLL works perfectly fine in a command prompt project, but when run in Unity I can log in ...
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283 views

Unity Vectrosity line drawing duplicates

I'm using vectrosity in my project and I'm having a problem when loading a level for the second time in a single session. When I load the level the first time, no render problem as seen HERE But ...
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3answers
117 views

Identify a selected prefab rather than all of them [closed]

I am trying to play a particle effect when an enemy is killed but it seems to play on a randomly selected one rather than the one that was hit. However the enemy that was hit still disappears and ...
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1answer
744 views

Unity3d - zooming with orthogonal camera like in Google maps

I am implementing 2d orthogonal zoom. As far as I know - in Unity3d there are no translations like in OpenGL. Taking this into consideration, I work with : camera size camera position (center) real ...
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1answer
465 views

AddComponent using a variable

I want to add a Component to a GameObject using an existing instance of the Component class. Let's say I have the class Foo: public class Foo : MonoBehaviour { int id {get; set;} string name ...
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2answers
3k views

Prevent GUI Clickthrough

I'm using NGUI to setup my UI in Unity. Attached to the MainCamera I do have a script to rotate the camera view by clicking and dragging. It does handle mouse events using Input.GetMouseButton(). ...
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1answer
48 views

Wrapping each script with classes causes errors

The goal here is to change variables from another script. Thing is that they must be in classes, so for example I wrapped this code (which is from PadControl.js): #pragma strict public var ball : ...
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1answer
416 views

Can't edit specific variables from the inspector panel, while variable is static

In order to make the variable accessible from other classes, I have to make it static. When I make it static, I can't edit it from the Unity's Inspector panel. No way to be able to do both: ...
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163 views

A problem with texture atlasing in Unity

I have the texture below and I need to get rectangular parts from it. I could finally combine meshes of different quads to improve performance, but I with quads of different tilings, this means ...
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1answer
112 views

How can I implement simple distributed processing in a Unity game?

I'm looking to set up a game which uses distributed processing. Just a simple brick shooter in unity with the distributed part being that the calculations for the falling blocks are handled by another ...
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1answer
143 views

Is this Possible to force gameobjects (coliders etc) to get stretched based on the aspect ratio of the screen?

Well with unity3D, I am in big trouble whenever I use sprites. As for textures I compensate for a evener look by Stretching it (Screen.width & Screen.height- that's fine for low end 2D games). Now ...
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1answer
371 views

In Unity, how can I read the color from _LightColor0 in a shader?

I have a scene with a point light and alpha textured (RGBA) triangle strips. I want to apply the point light color with a shader. Shader "Custom/Test02" { Properties { _MainTex("Texture ...
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2answers
230 views

How to know when all 2d rigid bodies have stopped in unity3d?

Is there anyway to know if all 2d rigid bodies in untiy 3d phisics world have stopped?
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1answer
1k views

InvalidOperationException when using C# DLLs with Unity3D

Description I've been attempting to use a custom DLL in Unity. I've confirmed the DLL runs correctly outside Unity. The DLL imports into Unity and when I refer to it in my scripts, I get no compiler ...
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5k views

How can I get multiple sprites on a Unity2D Sprite Renderer

I have a GameObject that I want to have multiple sprites. I tried adding an extra Sprite Renderer, but it tells me I can't add the same component multiple times. I'd really rather not have to have ...
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1k views

Unity objects not rotating around pivot point

Suddenly, for some reason, objects in the unity editor started rotating around their center of gravity (at least that's what I think is going on) instead of their pivot point. I tried placing the ...
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514 views

Unity3D Multiplayer Networking

I am making a multiplayer game using Unity3D, similar to SecondLife (but focusing on a particular gameplay task). Users will be able to register/login directly in the game and their character will be ...
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2answers
832 views

Why is mesh baking causing huge performance spikes?

A couple of seconds into the gameplay on my Android device, I see huge performance spikes caused by "Mesh.Bake Scaled Mesh PhysX CollisionData" In my game, a whole level is a parent object containing ...
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3answers
2k views

In Unity, how do I dynamically manipulate parts of a mesh?

I'm trying to achieve mesh manipulation of any mesh based on user input (mostly sliders). Here's an example of what I want. I am not sure whether to call this "morphing", as I am trying to change one ...
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1answer
600 views

How to store XMLs in Unity for web player deployment?

I've created with Unity a short demo that works as a standalone .exe on Windows, and I was interested in deploying it as a web player game too. When I run the game on the web player, though, I get ...
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1answer
3k views

GUIText size on 4:3 and 16:9 is different

I have a text (guiText) on the screen. It shows correctly when viewed on 16:9 resolution. But it scales up when viewed on 4:3 (e.g iPhone4). I am using following ObjectLabel script to place it on ...
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2answers
399 views

Depth write and depth test in Unity

Scenario: several objects (o1, o2,.., on) have to be rendered with the z test disable, but the z values must be written to the depth buffer. In another pass, some other objects (t1, t2,..., tm) need ...
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1answer
1k views

How do I create indoor scene lighting? [closed]

I'm building the inside of a space ship in Unity as POC. I need info on scene lighting. Rooms, corridors or just in general how to make an enclosed scene look great with lights. Keep in mind this is ...
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3k views

How can I make caves with Unity's terrain creator?

With Unity's terrain creator, I can't simply make a "hole" on the mesh. I don't know how I would make cave-like structures other than using "rock" meshes for the roof (wich will indeed look weird) ...
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2answers
3k views

Retrieve variable from another class and send to another scene in Unity

Sorry for asking a noob question, but I have never used c# in Unity, only unityscript. Basically I have a public int score variable stored in Players Class. I need to retrieve it in the following ...
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1answer
673 views

How to continuously create objects in front of the camera when moving forward?

I have created a scene in Unity3D that's filled with spheres. I want to be able to move forward forever and still be passing through the spheres. I was thinking I'd keep the player in one spot and ...
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1answer
429 views

Spot and area lights inconsistent

Im having problems with area light and spotlight. When adjusting parameters the change is not consistent and sometimes the light grows tstronger and then dissapears and then reappears very strong, ...
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1answer
310 views

Is it possible now to make something for android in Unity3d without buying any licenses?

I was just talking to a game dev who said its possible, that it involves downloading the android sdk and few other things. If this is possible can someone tell me how? Also is it possible to build a ...
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1answer
1k views

Show the tooltip when mouse over at the object unity3d

i wanted to show the tooltip like this when the mouse over at the object, here is the example image: and i already tried this below code, but the message on the debug.log didn't showed up when i ...
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1answer
336 views

Show the GUI button when mouse hover to the object

i already have this player on my screen. And i want, whenever the mouse hover at the object, the GUI button show itself (like tooltip). I tried below code, but the button is not showed up when i hover ...
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1answer
2k views

Why do my animations need to be marked as “legacy?”

I'm in the beginning of a project and I'm not really using 3D models but rather a hierarchy of primitive shapes. I made a couple of animations that suddenly don't work anymore. I get an error about ...
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1answer
224 views

Block player movement

What do i need to keep my player model from going through environment objects like walls, trees etc? Im trying to figure out if should use rigid bodies and the built in physics but i feel that its ...
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1answer
534 views

A few questions about integrating AudioKinetic Wwise and Unity

I'm new to Wwise and to using it with Unity, and though I have gotten the integration to work, I'm still dealing with some loose ends and have a few questions: (I'm on Unity 4.3 as of now but I think ...
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1answer
434 views

Non OnGUI based progress bar

How can I make a progress bar appear in Unity that doesn't make use of the OnGUI functionality in C#? I'm doing something with an Oculus and the OnGUI stuff doesn't work too well in a stereoscopic ...
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1answer
1k views

How to automatically render all opaque meshes with a specific shader?

I have a specular outline shader that I want to be used on all opaque meshes of the scene whenever a specific camera renders. The shader is working properly when it is manually applied to some ...
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2answers
180 views

GameObject in hierarchy needs to know who it belongs to

I have two objects from the same prefab. They have bodies and swords. What good options do i have to check if a sword belongs to player2 or player1? For example when body registers that it has been ...
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1answer
238 views

Best practice child and parent script [closed]

What is the best practice coming to wher to place the code in this scenario. I have a gamobject called player. It has lots of child objects. One of them is sword. Like this: Player Body Head ...
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1answer
772 views

Use light cone/range as a Trigger

I was wondering, in Unity 3D, how I could do something with the Spot Light (Range/cone) as a trigger? Since it would be very interesting to be able to manipulate whats actually in sight of Light ...
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2answers
871 views

How to create a magic orb like in Skyrim?

How would I go about creating magic orb that looks like from magic menu in Skyrim in Unity3D? Here is what I have in mind: Orb Image And a video of that effect from 0:09-0:13: Orb Video