Questions tagged [unity]

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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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 ...
0 votes
1 answer
2k views

How can I switch two GameObects in an array in Unity?

I'm putting together a match-3 as my first unity project and I'm having some trouble with switching two GameObjects. I thought I had it working, but I was running into strange issues. I hunted them ...
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0 answers
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Cross-platform ad-hoc local mobile multiplayer

I want to implement ad-hoc cross-platform (iOS, Android, and PC) device discovery for local multiplayer, like this scenario: http://www.youtube.com/watch?v=csXYZf2vGdE Multiple players, each with ...
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0 votes
1 answer
7k views

Unity3D animation trigger reset

How can I reset conditions for animations using an animation controller? I have a door that will open when a boolean property in a script is set to true. This then calls setTrigger on the animator to ...
  • 407
0 votes
1 answer
752 views

Unity animations in iOS

I'm an iOS developer and I'm trying to make 2d animations with Unity 4.3 + RageTools Pro + RageSpline. I want to integrate the animations into a native iOS application. In Unity I have different kind ...
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33 votes
6 answers
83k views

Can I legally remove the default Unity splash screen by removing it from the APK?

While using Unity I export an Android game as an APK. When the APK is run, the first thing that is displayed is the Unity splash screen. I worked out that I could replaced that image by opening the ...
2 votes
1 answer
371 views

Unity Property inspector glitched? [closed]

I just updated my Unity from 4.3.3 to 4.3.4 and there is something very wrong with the Property Inspector window. I tried restarting Unity, as well as load a different project, but neither fixed it. ...
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3 votes
3 answers
15k 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 ...
  • 31
0 votes
2 answers
874 views

Creating a content pipeline for a Unity

I have a game with lots of assets, such as data files, images, etc. My understanding is that Unity is optimized to know about all resources at build time. i.e. binding those assets to Scene ...
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0 votes
1 answer
3k views

Unity - Light and sprite collision

I'm a beginner in Unity and i'm facing a little problem / question. The main purpose of my 2D game is based on the mouvment of a specific light and the player have to avoid getting inside his rays. My ...
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4 votes
1 answer
3k views

Alpha Blending: use the pixel with the smallest alpha

I'm writing a transparency shader where I need any intersecting textures to, wherever they overlap, take the texture pixel with the smallest alpha value and render only that, discarding the other ...
5 votes
1 answer
16k views

Unity 4.3 (2D) Rendering only the parts of a sprite that are within specific bounds

I'm working in Unity, using the 2D features to recreate the match-3 style of 10000000 (Ten Million). I have a parent object (green square) with several children objects (blue rectangles) on top of it,...
1 vote
0 answers
2k views

Unity 2D loading Spritesheet Atlas at runtime from web and using it dynamically

I am new to Unity (came from AS3/Starling) and just started for 2D games in Unity. I have a spritesheet / texture-atlas (many different sized images packed in a single png) which I want to download at ...
2 votes
3 answers
2k views

How to rotate a 3D character on top of a plane with an isometric picture on it

How to calculate the angles of the 3d charater so that it fits into the isometric environment projektet on a 2d plane? Also, how do you calculate the rotation of my character? What I want to achieve: ...
2 votes
2 answers
435 views

Finding diagonal objects of an object in 3d space

Using Unity3d, I have a array which is having 8 GameObjects in grid and one object (which is already known) is in center like this where K is already known object. ...
7 votes
3 answers
543 views

How to impale and stack targets correctly according to the collider and its coordinate?

I'm making another simple game, a catch game, where a spawning target game object must be captured using a skewer to impale it. Here how: At the start, the falling object (in red) will fall in a ...
1 vote
1 answer
5k views

Persist emitted particles in scene after particle system has ended/destroyed?

In Unity, is is possible to persist emitted particles in a scene after the system has ended or even possibly destroyed? I have a particle system attached to my player prefabs that does a rudimentary ...
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5 votes
5 answers
39k views

How do I unload a scene after doing LoadLevelAdditive?

I have scene A loaded. I load scene B with LoadLevelAdditive. How do I unload scene B and keep scene A loaded?
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0 votes
1 answer
563 views

Surface shader ignores lighting in vertexLit path

I want to use a surface shader in VertexLit(not Forward) rendering path. I caused a problem that the compiled shader completely ingnores lighting from the light sources on the scene. Here's the code: ...
3 votes
2 answers
20k views

How can I play an RTSP video stream in Unity3D?

I want to play an RTSP video stream on a Texture2D. The stream is coming from an IP camera and is encoded with H.264, MJPEG or MPEG4. I know about VLC's libraries,...
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0 votes
1 answer
2k views

Play video from StreamingAssets folder in Windows Media Player?(Unity 3D)

I can play video which is there in my StreamingAssets folder. But is there a way in which I click a button and the same video gets played in the Windows Media Player. I researched a lot on this but ...
13 votes
5 answers
39k views

How to create a new GameObject, without adding it to the scene?

I'm creating what is essentially my own prefab system. Game objects are defined by a human readable data file. I'd like to create an empty GameObject, load it with the components defined in the data ...
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3 votes
1 answer
12k views

How can I apply an outline effect in Unity?

I want to apply an outline effect for several objects on the scene. Nope, the standard outline shader from the toon-shader package don't met my criteria. I want to create an effect like this: To ...
1 vote
0 answers
1k views

Unity GL.Lines going over 3D models

I'm drawing lines using GL.lines but they disregard the zbuffer and always appear over my model. I found this thread: http://answers.unity3d.com/questions/434827/gllines-over-game-objects.html and ...
0 votes
1 answer
5k views

Skeletal animation with Unity2D?

I want my character to aim with the mouse so, arms and head must move following mouse cursor and when the character is stand still it could change its stance a bit to accommodate the arms position. I ...
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1 vote
1 answer
312 views

How to play a video on a TV model inside a game?

I am new to Unity3D. I need to know how can I play news when I switch on a TV using any scripting language in Unity3D ?
1 vote
2 answers
4k views

How do you map a texture to a sphere in Unity using script?

I am looking to map a texture to a sphere inside of Unity using c# (not in the visual editor)? dragging a jpg or other image resource onto the sphere is the effect I am looking for -- but I would ...
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2 votes
1 answer
807 views

Is ArrayLists so slow that it is doomed to kill performance in Unity?

I was reading Which Kind Of Array Or Collection Should I Use? The document states to use list for the most performance. "...They are the fastest array in unity. For this reason, built-in arrays ...
1 vote
1 answer
9k views

RenderTexture is not cleared after it was released

I want to create some image effect. I've written a script that draws a cube mesh at the render target and then copies the render texture at the screen. I don't want to render anything except Mesh(M) ...
0 votes
1 answer
639 views

Load single texture atlas for multiple sprite

Recently, I am developing sudoku game. For this, I have created multiple grid 9x9,12x12 and 15x15. For this numbers are repeated so multiple sprite renderer are created and it load same number ...
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38 votes
2 answers
12k views

How do I make a character capable of walking on walls?

I am trying to get a character to move like a spider: Given a rising slope which a ball would normally not be able to roll up, the spider would slowly crawl up. Similarly, given a mid-air rectangular ...
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1 vote
1 answer
999 views

Android Device Screen Flicker

I have made sudoku type game. I am about to complete my game in 2d. At present, my game run smoothly on higher configuration devices such as Sony Experia Sola, Samsung Note 2 and Google Nexus. But it ...
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1 vote
2 answers
265 views

Unity3d - Monitoring which script is bound to which gameobject

How can we see the bounded scripts to gameobjects ? In a large project, it's hard to keep up monitoring by clicking each game object to see bounded scripts
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0 votes
1 answer
677 views

Mismatch cordinate system of unity and android

I am new to unity3d, Right now i am adding a cube as game object with coordinate 0,0,0 But when i run it on android device Iam facing 2 problem a) Coordinate system of unity3d are different from ...
3 votes
1 answer
3k views

How do I use an external FBX object in Unity?

Is it possible to use an external .fbx object in Unity 3D the same way we can insert a picture? Something like ...
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1 vote
1 answer
3k views

Rotating a camera 90 degrees around an object in Unity3D

I've attached this script to the camera and am using it to rotate the camera around an object. It's currently rotating freely but I'd like it rotate 90 degrees smoothly, over 60 frames, when the ...
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1 vote
1 answer
981 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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2 votes
0 answers
861 views

How can I combine my scrolling effect with the vertex lit shader?

I want my shader to work in both Forward and VertexLit rendering modes. I'd written a texture scrolling shader, but I also want to consider lighting which is produced by Vertex lit shader. I can't add ...
0 votes
1 answer
65 views

Getting the position of a directional light w.r.t. a moving object.

I have a forward vector of my object, which is a bike, and its position, and I have a directional light direction. I would like to know where the light is with regards to the bike position/...
0 votes
1 answer
5k views

Platformer raycast collision detection

I'm using Unity to create a 2D platformer. For collision detection, I'm using raycasting to detect any possible collisions with specific collision layers, and adjusting the desired delta x & y ...
  • 1,523
0 votes
1 answer
430 views

read in an xml server from Unity3D 4.xx [closed]

I need examples of how to read an xml from a server, using Unity3D.. I think it's something like this.. but I can not retrieve the information from the nodes.. An example would be of great help.. ...
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1 vote
1 answer
2k views

Each level is one scene?

I'm planning to get into Unity 2D tools - so in order to start off I decided to create a little breakout clone. However, I'm not sure how to manage levels. When I wrote Breakout using MonoGame, I just ...
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13 votes
3 answers
12k views

How do C# and UnityScript differ in Unity development? [closed]

Other than the obvious language differences, how do UnityScript and C# differ when developing games in Unity3D? Is there a noticable performance difference? Is the UnityScript code packaged as-is? If ...
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2 votes
1 answer
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What is the process to start developing games for the PS Vita?

Let's assume a solo/indie developer using Unity and targetting the PS Vita. Let's also assume that the developer's region is Europe. What does the developer need to start developing (only developing, ...
  • 453
-1 votes
1 answer
2k views

Animating a sprite with mecanim

I want to try animating sprites with the Unity's mecanim. All the tutorials I found used bipedal humanoids, which already have the avatar for the animator component and imported animations. What I ...
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1 vote
0 answers
3k views

Unity working on wall jump

I have a 2D platformer game and in it I have recently implemented wall jumping, and the way I have it works great. However when one jumps with the character and moves towards the wall one can hold ...
6 votes
4 answers
10k views

Two sided sprites

What is the most efficient way of making two sided sprites in Unity's new 2D tools? I'm looking to make playing cards with a backside and a front side.
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2 votes
2 answers
2k views

Surface shader with VertexLit causes black object

I wrote the simplest possible surface shader: ...
4 votes
2 answers
22k views

How can I create an array of GameObjects?

I need to add one assest multiple times in my scene similar to the blender array tool and I was wondering what is the best way to do this because adding each asset individually and setting there ...
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2 votes
1 answer
817 views

Calculating/Predicting a way

I'm just starting with physics, so I'm not always sure about what I'm doing. It's a 2D project but I'm using 3D physical objects like SphereCollider etc.. What I have: Objects floating in space and ...
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