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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Shader which supports vertex colors and pixel lights?

From my question at Unity Answers: Hello everyone, I'm facing a bit of a problem here: I need a shader which has the ability to colour individual vertices and be lit pixel by pixel. Until recently, I ...
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1answer
829 views

How to store and parse story actions in XML

I been working on a game in Unity that reads its story (Actions, scene descriptions, NPC's, ect...) from an XML and have been wondering there was a better way to store actions based on player data ...
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3answers
479 views

Strategy for detecting hits from a “cylinder ray”?

I was planning on using ray casting for collision detection in my game. However, when I use an attack similar to this: (which would project something like a cylinder), how would I go about ...
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330 views

character and camera not moving in the same speed

the two scripts below do the similar things, get the key press and calculation the direction after the direction calculated, they multiple with the same speed, say 0.05f, while the character and the ...
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0answers
1k views

Dragging an object by touching on Android

I am trying to move and object by touching it and dragging. I am testing it on my Samsung Galaxy SIII. I have used the following code. For some reason it moves faster than my finger. It should always ...
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2answers
464 views

Rotate GameObject on click

I'm trying to get a card to flip when clicked but the flipping only works the first flip. While debugging, I can see that OnMouse is called every time I click. public class CardController : ...
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2answers
568 views

Determining which edge of a box was clicked in Unity

How would I go about figuring out which edge of a box is clicked in Unity? Quick image I created, colored in boxes represent edges on a face I would like to check for. The current solution I have ...
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3answers
4k views

Is there a way to display navmesh agent path in Unity?

I'm currently making a prototype for a game I plan to develop. As far as I did, I managed to set up the navigation mesh and my navmeshagents. I would like to display the path they are following when ...
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0answers
160 views

Positions are the same but appear in different locations [closed]

I have a procedurally generated tile that is a part of a turn-based hex tile game. When I try to have the tile instantiate a prefab that is the placeholder for a unit, I used the tile's ...
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1answer
2k views

How can I save an XML file with Unity on the Android platform?

I am writing a game that has a save function which looks like this public void Save() { System.Xml.Serialization.XmlSerializer ser = new ...
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1answer
761 views

Creating a curved mesh on inside of sphere based on texture image coordinates

In Blender, I have created a sphere with a panoramic texture on the inside. I have also manually created a plane mesh (curved to match the size of the sphere) that sits on the inside wall where I can ...
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1answer
298 views

Why do my velocity estimates have such a large margin of error

I am writing a script in unity that applies a force to the object to advance it a set distance in an environment without friction or drag, producing a cosine force curve. However, as the target ...
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2answers
282 views

Can I trigger input/controls via code?

I have the 3rd person controller in my game, which moves with the WASD keys. But since I am developing for a mobile release, I want touch controls. I have already the touch control-script in a new ...
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2answers
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Unity3d NullReferenceException: Object reference not set to an instance of an object

I'm making a script to climb ladders in my game. These are the variables used in the function. private Vector3 climbDirection = Vector3.zero; private Ladder currentLadder = null; private bool ...
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1answer
338 views

Rigidbody2D hanging when moving across set of colliders (tiles)

I've got a player object that has a Rigidbody2D and CircleCollider2d attached to it, and I'm trying to make it move across a large field of tiles, each exactly next to one another and each identical ...
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1answer
258 views

How can I use touch input for 3rd-person controls?

I have a 3rd-person controller in my Unity scene, which I can only control with the WASD buttons. But since I plan to make a smartphone game, I wonder how I can change these controls t swipe ...
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1answer
741 views

unity sphere falls through the plane

I have a elongated rigidbody sphere with Mesh Collider. It falls through the plane. (I made a rigidbody cube and does not fall through.) I have problem with Mesh Collider repeately.. The collision of ...
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2answers
336 views

How can I reuse objects going off left side of screen, by putting them offscreen on the right side?

I have an array of roughly 10,000 tiles over a 2d grid. When a tile goes off screen, I'd like to recycle it by disabling the renderer, repositioning it just before it comes on screen again, then turn ...
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4answers
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Why does my game display the wrong “required Android version” on Google Play?

I'm porting a Unity game to Android, and I've set up the "Minimum API Level" in the Player settings to "2.3.3 (API level 10)". However, on the store, it says "Requires Android: 1.6 and up". On the ...
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1answer
249 views

Efficient approaches to updating adjacent grid tiles when one tile is disabled?

I'm trying to update the surrounding grid of tiles if one of them is disabled (not removed). For example, imagine we have a grid of tiles each with x representing one texture: x, x, x, x, x, x x, x, ...
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1answer
1k views

Unity/VS debugging only with UnityVS?

Hi, this one thing isn't clear to me: Is it possible, to debug C# of Unity 4.3 with Visual Studio 2013 without any plugin? If no, what or how else should I debug then?
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3answers
557 views

How can I render from a buffer that exists and was created on on the GPU?

I'm looking for a unity API or function call to allow me to do the following ... I wrote some really complex functions that are compute shaders. These compute shaders manage a huge compute buffer ...
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1answer
292 views

How can I expose a property to Unity that should be treated like an asset path?

I want to be able to do something like this: public FileInfo XmlBehaviourFile; And then use the asset browser in the Unity editor to select an asset. Ideally, I would like to limit it to XML files ...
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4answers
8k views

Unity: Flip Sprite Direction

I'm toying around with the new Sprite class in Unity, and I'm trying to work out how to change the direction the sprite is facing ("flip" it). I'm sure I can most likely just scale it across the x ...
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1answer
248 views

Camera movement and threshold not working

I have a platformer that is in progress, part of this has a camera which I only want to move when the character moves out of a certain threshold, to try to accomplish this I have the following if ...
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0answers
881 views

Unity 4 mecanim; 'Quaternion to Matrix conversion failed, input quaternion is invalid'

I'm trying to animate a stick figure in Unity, with placeholder animations. Character is built/animated in Blender, exported to FBX. When imported to Unity, everything appears correct in the editor. ...
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1answer
319 views

Set alpha cutoff value Unity3d

I am continuing my previous question( link ). Now its working as per this demo. and the coding written to set cutoff is here : function Update () { renderer.material.SetFloat("_Cutoff", ...
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1answer
616 views

How can I create 2D shadows that let me detect when the player is inside them?

I'm working on a 2D platform game, and I want my platforms to cast shadows along with some way to detect if the player is inside the shadow area (that is, not hit by the sun). More specifically: I ...
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5answers
653 views

Goalkeeper Jumping Algorithm?

This may be a "best way to" question, so may be susceptible to opinion-based answers (which is ok for me). But I would also like if there are any tutorials , research papers , etc. I'm trying to make ...
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1answer
808 views

Instantiate prefab in editor script

I'm working on a script to battle against nested prefabs. The script finds and replaces certain prefabs with a new version of that prefab. Now finding the prefabs is easy: ...
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1answer
662 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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0answers
84 views

Tilemap mesh issue with z, -z axis

I don't understand why the created mesh is upside down if z ( z*tileSize ) is positive, the mesh is then rendered with the texture looking down. With "-z", the mesh texture is looking up correctly, ...
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1answer
409 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
301 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 ...
4
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1answer
1k views

Faking 2d light using shader (Unity, Shaderlab)

Since the concept was difficult to explain in words for someone who's not quite familiar with shader, I described it in pictures. I'm currently using Unity and it seems Shaderlab is the best choice ...
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1answer
331 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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2answers
1k views

How does Unity3D lower an imported .obj vertex count?

I have a question regarding how Unity3D handles importing of .obj files. I'm importing this teapot: http://groups.csail.mit.edu/graphics/classes/6.837/F03/models/teapot.obj The number of vertices ...
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2answers
91 views

string on GUI.Button not showned

I am sure that inventoryItem.Name contains "Wood" cause i see it when i add a breakpoint. Still i get nothing in the game. Just empty buttons. void DrawInventoryContent (int id) { ...
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1answer
10k views

Can Unity 2D be used to make pixel-art games?

I'm looking at the new 2D features introduced in Unity 4.3, and I think I might be missing something. To me it looks like they are designed for high-res 2D games, where scaling the sprites is ok, but ...
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2answers
1k views

textures in tilemap games: use 2d planes or 3d objects? (example with Dragons of Atlantis)

How to create the textures in games such as Dragons of Atlantis? I was thinking about 2 ways: using 2d planes to save space and memory, using the color from the 3d software adding a very simple ...
4
votes
1answer
2k views

Advance efficient water physics simulation [closed]

Summary: I am looking at creating a large(ish) ocean which multiple ships will be present in doing their own thing. I want the ocean to be a life like as possible but without compromising too much on ...
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1answer
395 views

Behave Plugin : Behavior Tree Perpetually “Running” actions Prempting problem

I am using the Behave Plugin to make behavior trees for my game So, I have a behavior tree that looks like this : http://imagebin.org/278510 The Actions marked in Red are basically Perpetually ...
2
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1answer
505 views

Unity3D free in game purchase solution [closed]

Am making an android game with unity and i want to add an in-game purchase feature, i looked around and all the suggestion lead to non-free plugins (mainly prime31 plugin) but in the current moment i ...
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vote
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 ...
0
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2answers
162 views

Unity3D JavaScript/.NET code throwing compilation error with a List-thingy [closed]

So, I do this: var intlist:List.<System.Int32>; intlist.Add(1); And where I say intlist.Add(1) I get: NullReferenceException: Object reference not set to an instance of an object Weird, ...
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2answers
368 views

Unity3d and Windows 8 run game in frame

How do I set Unity3D to run my game on Windows 8 in a fixed size frame (with a border around it) and not in fullscreen? I tried setting this in the Unity script and in the final C# project, but ...
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2answers
317 views

How can I tell the player that a key or other item can be discarded?

We're working on a survival horror classical Resident evil (1, 2, 3, 0, REmake) type of game - link. I'm using Unity3D with C#. There's something that's kinda puzzling me - more a game design ...
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1answer
1k views

Is there a way to create a sky-sphere instead of a skybox in Unity3D?

In a 3D game, how can I make a sky background seen at the horizon? I tried adding a texture to the skybox but since it's a box it looks horrible. When I'm not using a texture it's not notable that it ...
0
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1answer
1k views

How can I have my third-person camera track slightly ahead of the player as he or she moves?

I have a 3rd person camera controller in a top-down game. I have my cameran following the player and I currently use linear interpolation to make the movement smooth and a little laggy. But I would ...