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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Find asset labels at runtime

Unity allows me to add multiple labels to my assets in the editor (the little blue luggage tag in the corner of the inspector). I can use the Asset Database to find all assets with a certain tag from ...
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1answer
300 views

Unity Render Texture Artifacting

I'm having weird black artifacts appear on my render textures when they are transformed while the game is running. I am using a ScrollRect as a scrolling container for buttons (the buttons are just ...
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1answer
1k views

How can I make Network.RPC call a method with params object[]?

Why do I need to do this? The game I'm working on fully conforms to a component style design. Every component that a game object uses is placed on the object and is disabled/enabled based on it's ...
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2answers
270 views

Unity messes up the fileIDs

I'm working in a team of three people on a 2D game, and Unity recently has been messing up the fileID on many sprites: - m_Sprite: {fileID: 21300000, guid: 6186fa4d068aae8418d9520f658d1ee6, type: 3} ...
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1answer
790 views

Getting child collider when collision occurs in compound object in unity3d?

I have a compound object. The parent of the compound object hierarchy has a script that is listening to the OnTrigerXXX callbacks of the children. When this compound object collides with other objects ...
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1answer
336 views

Modular enemy behaviour in a shmup - Delegates unsuitable?

I'm creating a shmup type game and trying to implement the enemy wave system, which includes the associated enemy behaviours like their movement and bullet patterns. I've tried to separate the ...
2
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1answer
2k views

Can I break the UI MASK hierarchy in unity 4.6?

I'm using unity 4.6. I saw a couple of UI masks tutorials and saw that there's a certain hierarchy I can't seem to break: -Canvas --- Panel (holds the mask component) --------Image I want to move ...
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2answers
475 views

How can I implement a futuristic “barrier field” that reacts to hits?

I want to implement a "shield" that reacts to projectile hits. Currently, my colliders are mapped to the animated sprite's outline on all frames. I'm looking for something like the image below. For ...
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1answer
2k views

Draw Primitives with Unity 2D

I would like to be able to draw primitives in unity 2d to define my game objects. I have tried the following example: using UnityEngine; using System.Collections; public class ExampleClass : ...
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1answer
2k views

How can I access a script variable from another script in Unity?

I'm creating a space shooter (think Space Invaders or Galaga) where the GameManager persists between scenes but the player and enemies don't. I need to access a boolean value from the player and ...
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1answer
2k views

Unity3d wheelcollider falling through terrain

I have created simple project with 3D car and terrain. I have added 4 Wheel Colliders on model wheels. But when I run project wheels falling through terrain. Before run: After run: I am sure that ...
2
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1answer
388 views

What is the correct multiplication order for a 2D matrix?

I'm currently trying to create a camera and entity/model matrix for my 2D game similar to that of Unity3D. I've already tried to find answers to this question on stackoverflow/gamedev but i couldn't ...
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140 views

Accessing the command line from in-game?

Is there a way to interact with the command line (Linux/Windows) from in-game using a game engine such as Unity or Unreal? I would like to have the user be able to jump on a console or even just ...
2
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1answer
157 views

How can I trigger an event each time the rotation of my rigidbody2D is at a given value?

I would like to trigger an event each time my rigidbody2D is at a particular value. The event should only be triggered once for each given value per complete object revolution. Initial attempts at ...
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2answers
939 views

Using A*Pathfinding on terrain created by scripts?

I'm looking to use A* Path-finding as a method of navigating my game terrain. Trouble is, my terrain is built upon play using a script and A* grid does not detect this, therefore marking all nodes as ...
2
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1answer
1k views

change texture at runtime

How can I change the texture at runtime. I have done changing the label(text) at runtime. The following code is used using UnityEngine; using System.Collections; public class switchtime : ...
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1answer
1k views

How should I set up 2D animations for weapons in Unity?

I have a character composed of several sprites (legs, torso, head, arms). The character has the ability to pick up weapons, which are of varied types. Each type of weapon has its own animation ...
2
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2answers
249 views

Blender-to-Unity Animation Issue

I've been programming games for quite a few years now, but I recently thought I would try my hand at some simple 3D modeling and animation. I'm currently using Unity and Blender. In Blender, I was ...
2
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1answer
574 views

How to subscribe to an event fired from any Instance/Object of type X

I'm currently working on a small game-engine and i'm kinda stuck on finding the right pattern to subscribe to an event fired from any instance of type X.To understand what i'm trying to achieve, here ...
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3k views

Can the Shuriken particle system create particles with random shapes and sizes?

I want to create differently sized (but small, relative to the characters) dust clouds for player movement that move away from the player and fade away by shrinking. This animated GIF from Samurai ...
2
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1answer
866 views

Is there a way to view all colliders in a unity project at runtime (after the game have been deployed)?

I'm have created a small Unity project but physics has weird behavior (bug). Unfortunately it only happens on some specific hardware (after build), not on development machine. I don't know what is ...
2
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1answer
1k views

How do I save a screenshot and load it as a texture for use in game?

I have a Unity level that takes a screenshot taken in the previous level and applies it as a material to a Plane, the problem is that it will get stuck and not apply the most recent version of the ...
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1answer
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2D metaball liquid effect - how to feed output of one rendering pass as input to another shader

I'm attempting to make a shader for unity3d web project. I want to implement something like in the great answer by DMGregory in this question. in order to achieve a final look something like this.. ...
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2answers
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How can I manually draw a Sprite in Unity?

I'm creating a simple workaround on the unsupported prefab-on-prefab. I've thus created this simple class: [ExecuteInEditMode] public class PrefabLinker : MonoBehaviour { public GameObject ...
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1answer
2k views

Dynamic 2d terrain loading / stitching in Unity [closed]

I'm currently working on a top down 2d game (in Unity 2d) where I'd like to build a huge terrain for the player to explore. My question is - do you have any good practices or ideas on how to chunk the ...
2
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1answer
531 views

Animating feet seperately from the body

I have a character and I would like to animate a walking animation for it. However i get the following result when I animate it: (ignore the green lines/ markers/ sound) As you can see the foot ...
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1answer
1k 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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3answers
5k 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 ...
2
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1answer
754 views

Surface shader with VertexLit causes black object

I wrote the simplest possible surface shader: Shader "SimpleSurf" { Properties { _MainTex ("Base (RGB)", 2D) = "white" {} } SubShader { Tags {"RenderType"="Opaque" } ...
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1answer
1k views

Unity UV map, tint / change color of texture

I have an array of vertices with texture coordinates for a UV map in Unity: newUV.Add(new Vector2 (0, 1)); // FACE 1 newUV.Add(new Vector2 (1, 1)); newUV.Add(new Vector2 (1, 0)); newUV.Add(new ...
2
votes
1answer
3k views

Procedural terrain - how to blend textures between dynamic meshes

I think I should structure this question better. I'm developing a procedural terrain structured with voxel chunks. Every chunk: contains a NxNxN voxel array generated with perlin noise 3d ...
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3answers
4k views

Polygons vs sprites rendering performance in Unity for windows phone 8

I'm currently building a windows phone 8 game with unity, having 111 (no more no less) sprites being updated each frames. I have a strong overhead in the profiler (70% to 90% minimum) I tried the ...
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2answers
999 views

How can I support many point light sources in a dynamically-generated level in Unity?

I'm currently working with a dungeon game which is similar to Dungeon Keeper by Mythic Entertainment. I'm using Unity and developing this game for Ipad 2 and above. Player can modify his dungeon, and ...
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1answer
4k views

Understanding Torque in Unity

This is (hopefully) a simple question that should avoid me asking a more complex question. This is in Unity (2D) but hopefully this is a general physics principle I am not getting. I am applying a ...
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3answers
340 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 ...
2
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1answer
1k 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. ...
2
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1answer
2k 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 ...
2
votes
1answer
528 views

Project collision shapes to plane for 2.5D collision detection

I am working on a top down 2.5D game. In the game anything that overlaps on the screen should be 'colliding' with each other regardless of whether they are on the same plane in the 3D world. This is ...
2
votes
1answer
456 views

dynamic 2d texture creation in unity from script

I'm coming from HTML5 and I'm used to having the 2D Canvas API I can use to generate textures. Is there anything similar in Unity3D? For example, let's say at runtime I want to render a circle, put 3 ...
2
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1answer
378 views

Model a chain with different elements in Unity 3D

I have to model, in unity 3D, a chain that is composed of various elements. some flexible, some rigid. The idea is to realize a human-chain where each person is linked to the other by their hands. ...
2
votes
2answers
630 views

Player jitter when positioned at large coordinate values

I am trying to make a simple top down scrolling shooter using Unity3D comprising of the following elements: 1) Top down orthographic camera: points at 65 degrees towards the ground. At a height of ...
2
votes
1answer
846 views

One to one aiming in 2D platformer

Hello all I have been having an issue with a 2D platformer I'm working on in Unity. It has an aiming style similar to Shadow Complex where the aiming will rotate around the character in direction to ...
2
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2answers
2k views

pathFinding performance in Unity3d

I am making Sniper game in unity 3d. In this game zombies will come randomly towards the sniper and sniper have to kill them. I am using RAIN(indie) for path finding. It works best when zombies are ...
2
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1answer
290 views

Component-based programming with child objects

I am presently working on a game in Unity3d and have come to a cross road regarding scripting for repetitive child objects. Should these child objects handle its own scripting for best practice? For ...
2
votes
1answer
1k views

Android SDK does not include any platforms!

This question has been asked several times on the Unity answers website, but there's no solid answer to it! Problem: While trying to build a game for android in Unity, I receive this error: Android ...
2
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1answer
894 views

Lightmapping & runtime combine children

Is it possible to have lightmapping on runtime generated combine children in Unity? It is possible to bake combined meshes when they are done in the editor, but the .apk/.ipa size increases too much. ...
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3answers
6k views

Unity map size limit?

Does Unity have a map size limit and if there is what is the limit? Is there a way to work around it? I am making a open world zombie survival world and I want to make a really big map. Thanks!
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3answers
3k views

What needs to be done to port a Windows Flash game to Android?

My team has developed a game using Flash (with Lua embeded) that targets Windows. And we want to port that game to Android (also iOS in the future). It's acceptable to rewrite the Flash part of ...
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2answers
1k views

Relative cam movement and momentum on arbitrary surface

I have been working on a game for quite long, think sonic classic physics in 3D or tony hawk psx, with unity3D. However I'm stuck at the most fundamental aspect of movement. The requirement is that I ...
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1answer
2k views

How to set an EditorGUI foreground color for the light Unity skin?

Writing an asset management GUI as part of our editor tools, I am in some places colouring LabelFields. Working mostly in the dark Pro skin, this seems to work just fine: GUI.color = Color.green; ...