Unity is a highly cross-platform engine that focuses on easy art pipeline process and uses Mono as its scripting back end.

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Change the sprite of a Object in Unity

Inside the script code of the the hero(object) I want add the possibility to change its sprite. So the player hits the space button and the sprite changes into the other sprite already added to the ...
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41 views

What is the actual formula to find the vertices of an animation frame in using a BVH file?

I've read this tutorial and tried many formulas to build the skeleton. I am able to build it without the rotations, but those break everything. This, for example, is a simplified code for one of my ...
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1answer
45 views

How I get the value from different class [closed]

i get error , i cant get the value from different class.. public class First1 : MonoBehaviour { private List<IFirstListener> listeners = new List<IFirstListener>(); public int ...
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1answer
761 views

Basic hierarchical component access in Unity: GetComponent vs. Find

I'm just learning to develop in Unity. One simple thing I'd like to do is change the colors of objects programmatically. I have a compound asteroid prefab object, in which the meshrenderer and ...
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1answer
212 views

Can animation parameters only be changed in scripts?

I have a very simple animation parameter in the Animator, a boolean that is "true" when a shooting animation is playing (to stop the game logic from allowing more shooting during a gun recoil ...
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1answer
222 views

How to find objects in front of my player

I am trying to find an object that is in front of my player sprite using the following code RaycastHit2D hit = Physics2D.Raycast(transform.position,Vector2.right,EnemyLayer); //EnemyLayer is the ...
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0answers
87 views

How do I load real-world map terrain? [duplicate]

I'm new to game development and want know how to make or load a terrain from OpenStreetMap or Google Maps in your current city. (I'm using Unity3D.) My idea is just load or generate a map of the ...
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1answer
1k 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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1answer
225 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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1answer
151 views

How to translate swipe gestures into rotations?

I am making a snake game. I want to rotate my snake in the direction specified by swiping on the screen, the directions are limited to orthogonals (90 degree increments). It's an android game. Can ...
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1answer
525 views

How can I translate a game object towards a position?

I am instantiating my game objects (spheres) through scripts. I want my spheres to move from one location to another. but I don't know how to do this. Update is called once per frame. Is that what I ...
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100 views

Moving object next to another object

Is there a common way to get to game objects with colliders to 'touch' each other without trying to reach the same position? I dont want to move object A to the position of object B cause they will ...
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1answer
83 views

Unity3D How to tell when editor script is added to object

What I want is a way that an editor script can tell when it has been attached to an object in the scene. OnEnable() and Awake() only happen when you bring an object with the editor script attached ...
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1answer
96 views

Creating teams 2v2, 3v3, etc

I'm figuring out how to create games with teams. The problem is that there will be games 1v1, 2v2, and so on as well as free for all. What would be the most efficient way to do this in Unity C#? I'm ...
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1answer
179 views

How do I add a Rigid body and a box collider component to a Texture2D?

I am making a snake game. I'm basing it on a basic tutorial game, which does no collision detection, wall checking or different levels. All snake head, piece, food, even the background is made of ...
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1answer
43 views

Stopping sprties from toppling off platform

I am new to Unity and am trying to create a simple 2d platformer. I have applied a box collider to my player sprite and the floor/platform its standing on. Now when I go over the platform, it toppes ...
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2answers
1k views

Unity 2d: How stop movement when object hit a wall

I created a square that slides on a flat ground. public class PlayerMoveScript : MonoBehaviour { float move = 0; void Start (){} void FixedUpdate () { if (move == 0) { ...
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1answer
217 views

C# - Separating Overlapping Rectangles

I'm trying to separate an arbitrary number of randomly sized rectangles, while still keeping them snapped to the grid, and somewhat packed together nicely. The goal is to start with something like ...
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1answer
89 views

unity rts on mobile : how can units find each other as simple as possible

Situation: I have a grid of 100 by 100 tiles. each tile has a list of units that are currently standing ontop of it. in this grid 500 units of team 1 and 500 units of team 2 are randomly walking ...
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1answer
133 views

How do I make an object's y-axis align with a Vector3?

I have a golf ball on the ground, and from a raycast, I have the normal which gives me the slope of the ground by the ball. I have an object which is rendered on the HUD to show that slope to the ...
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2answers
120 views

Compute world position by walking N units along spline?

My goal is to move ahead along a spline 'x' world units, unfortunately there is no way to map spline points to world points. What I do is I iterate along the spline by a small alpha amount (say ...
3
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2answers
157 views

What are Unity3D Substances?

Recently in a tutorial I saw the use of substances in Unity3D. What I got from the tutorial is that a Substance is a material, which we can manipulate dynamically on run time. I am still unclear about ...
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1answer
213 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
550 views

Unity - 2D Wall Jumping [closed]

I'm developping a 2D platformer and i'm facing a little trouble. I'm actually trying to develop a Wall detection and the possibility to Wall Jump and go in the opposite direction. I'm able to detect ...
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4answers
290 views

(unity) move the world or the character

I'm making a game like this: https://www.youtube.com/watch?v=hO7573lphqI wherein a 3D ship is flying around on a 2D plane. From the player's perspective, the ship will stay stationary in the center ...
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2answers
290 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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1answer
108 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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226 views

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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1answer
514 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 ...
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1answer
149 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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0answers
73 views

Selling Game Apps Online Condition: Export Law

Is it legal to publish and sell Android game apps powered by Unity 3D, regardless if it is a paid app or free app? I found on this terms and conditions or agreements, no. 11 on export law. Is there ...
13
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2answers
5k 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
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1answer
94 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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1answer
241 views

Mesh Manipulation - changing vertex data dynamically

I have am trying to achieve Mesh Manipulation of any mesh based on User Input mostly sliders, example of what I am trying to do is http://www.youtube.com/watch?v=-oMxVGmeO-s . I am not sure whether to ...
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0answers
96 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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1answer
294 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 ...
2
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1answer
228 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 ...
4
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1answer
1k 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 ...
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0answers
390 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 ...
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3answers
203 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
2answers
95 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. All objects are equidistant from ...
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0answers
88 views

How to play an array of videos from StreamingAssets

I am playing a video on click of a button,which is stored in the streamingassets folder using : Handheld.PlayFullScreenMovie ("Demo 1.mp4"); But I would want to load all the videos present in the ...
2
votes
1answer
92 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 ...
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vote
1answer
256 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 ...
4
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2answers
903 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?
0
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1answer
94 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: ...
2
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2answers
648 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, ffmpeg, direct show, media ...
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1answer
112 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 ...
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0answers
152 views

Does Unity3D NaCl work on Samsung Smart TV?

I asked about this before on here (UNITY forum). I have some answer already but still confused. Hope someone can help me on this problem. AFAIK, Google is not support pepper_25 anymore, so developer ...
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3answers
1k 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 ...