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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162 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
141 views

Projecting a light onto a quad

I need to project the light onto the quad and use its value for translating the vertices. I'm currently having 6 vertices, two quads, The points are A X C B Y D Point X, Y are coming from two ...
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1answer
111 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
146 views

How can I play an animation in response to an event?

I've written a script to play an animation, but it starts immediately as my level loads. Instead, I want it only to start when triggered by some event or after a given timeout. How can I do this?
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1answer
141 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
159 views

Why is my Snake' tail rendering the wrong sprite? [closed]

I am making a snake game in Unity. The game is simple, using Texture2D to display the head, tail and body parts. I am stuck with this problem: I stored 4 textures (each one for one of the four ...
5
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1answer
155 views

How can I implement Objective-C libraries in Unity?

I've been a "hardcore" developer for sometime now, as I've always worked with pure code reactive rendering, and contributed to Cocos2d library some time ago , (It is the one I used for my games) . But ...
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1answer
447 views

Textures in Unity3D appear with lower quality than in Photoshop

I made game assets that look great in Photoshop, but they look like crap when I import then into Unity and run the game. Why?
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1answer
307 views

Level loading works in Unity editor, but quits when deployed

In my level selection screen, all but the first level start out locked. When I click on a level, it loads perfectly in Unity editor. However, when I build the game on a real device, the game stops as ...
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2answers
988 views

how to call the specific animation?

I have a script to control the player simply moves Left, move right, etc.. but the animation when winning, losing, or Light, just put it on the animation and animator and no script for it. I wanted ...
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1answer
327 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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3answers
882 views

Should I use scenes in Unity for menus?

I assume scenes are for different levels, but should I use them for menu screens or is there a specific tool for menu screens?
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1answer
154 views

3D model editor manipulators

I'm trying to make my own 3D model editor to better learn 3D programming. I have my translate manipulators and I'm trying to calculate the Vector2 that the mouse would have to move in order to move an ...
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0answers
512 views

Frequent stuttering, high FPS spikes with VSync option turned on in Unity standalone build

I'm experiencing an issue using Unity 4.3.2 and standalone builds. If I turn on VSync in the project's Quality settings, running the game at the native monitor resolution, I'll frequently get high ...
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2answers
230 views

Print on the GUI in Unity

I'm trying to show the players name on the GUI with a label. GUI.Label(new Rect(10,10, 100, 30), playerName); Instead of use the default style I want to use a different font with larger character. ...
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1answer
102 views

How can I switch between texture atlases based on the iOS version?

How can I switch between atlases (with different resolutions) in Unity based on the runtime iOS version?
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2answers
101 views

Can I make a character solid but not lose non-physics behaviour?

My character can walk around in the world, but walks through other objects, for example a cylinder (stand-in for a cannon). To fix this I added a capsule collider to each of the character and ...
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1answer
1k views

How to create public Arrays of game objects so that they can be assigned through inspector

I am making a unity2D game. I need to declare public array of gameobjects so that I can assign them colliders, textures through inspector by drag n drop. Is there any way to do this? I am using c#. I ...
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3answers
114 views

How can I reorient the axes of an object?

I spent some time in Unity yesterday trying to fire a sphere from a horizontal cylinder (like a ball from a cannon). I was using Vector3.forward, but the sphere kept coming out the top of the cylinder ...
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2answers
113 views

Can you adjust the proportions of a 3D model via scripting?

We are developing a game in Unity where the character is different ages in different levels. Would it be possible to use a single 3D model asset, and alter its proportions via scripting to achieve ...
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1answer
502 views

Variable Jump in Unity3d

I implemented variable jumping in unity for an endless running game. My question, how can I make the jump frame rate independent? My algorithm if ( keyDown ){ isJumping = true ySpeed += ...
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4answers
1k views

Infinite 3D Cave in Unity

A friend and I are hoping to make a game in Unity in which you fly through an infinite 3D cave that can twist and wind in any direction (though obviously not to the point that the turns are impossible ...
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2answers
264 views

Possible to create transparency shader which doesn't stack alpha values

The image above best demonstrates what I'm trying to achieve. It's a transparent shader for objects, but wherever the objects with this shader intersect they don't add together but simply merge with ...
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0answers
109 views

SpotLight in ForwardBase pass using forward rendering

Is there anyway I can force Unity to allow me using a custom shader to render spotlights in a ForwardBase pass (using Forward Rendering Path)? For what I could see since now: Unity use and ...
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1answer
220 views

How to make game menu in Unity using only the editor?

I am trying to implement a game menu screen in which all the levels are locked initially. Just like Angry Birds. When user scores he'll be promoted the level unlocks.
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174 views

Unity not updating sprite animations (possible bug)

I have a simple animation of a foot which i want to change sprites from one sprite to another, which is seen in the following two images: now as one can see in the animation timeline there is a ...
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2answers
394 views

Using Behavior Trees and Events together

I am beginning to work with behavior trees and am unsure how events should be handled within the tree. Lets say we have a space game where the player is dogfighting with a handful of other ships, some ...
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2answers
355 views

Unity Grid System

I'm creating a tower defence game and I've been struggling on one of the core parts of the game. What I'm trying to do is create a plane that the user can clink on and build a tower at that location. ...
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1answer
119 views

How can I make an attached gameobject behave correctly on character flip?

I have a character that on start-up is equipped with another gameobject/prefab as a weapon, attaching it to a hand. void Start() { handFront = transform.Find ...
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1answer
700 views

How to Integrate Unity with Google Play Game Services for iPhone and Android games

I want to integrate Google Play Game Services for Apple's iOS and for Android. How can I do this efficiently?
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1answer
327 views

Finding the correct speed for AI to turn to reach goal

I have a ship that travels at max speed maxSpeed and can turn rotationSpeed degrees per second. The ship always moves in the direction it is facing which means that the faster the ship is travelling ...
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2answers
2k views

How can I make RPC function calls in Unity?

I am making a multiplayer game. I am sending score via the server and client but I want to be sure that can I call an RPC function of a script from any other script. For example, say Table_Manager as ...
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1answer
142 views

How to put basic scripting/variable changes into dialog xml files?

I have a simple XML structure for my dialog between the player and NPCs. What I'd like to do is put variable changes (and maybe other things) directly into the XML. So, for instance, if you select a ...
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2answers
596 views

Intelligently move aircraft using curves

I am trying to code a script to move an aircraft entity from point A to point B and at some point in the middle of moving have the aircraft forward vector face Point C (to fire a missile at an enemy ...
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1answer
3k views

How do I randomly spawn objects in 2D game?

How do I randomly spawn few different sprites on screen so they're not overlapping or half visible on render. The sprites should immediately start shrinking until they disappear. I've tried to ...
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2answers
3k views

Shader that “cuts” hole through all geometry

How can I create a shader that "cuts" through all geometry, only rendering the clearing background in Unity? An example: That's a prism in a huge white box-shaped room. The surface of the prism is ...
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2answers
3k views

Playing an animation relative to current Transform in unity?

I have an animation created with the built-in dope sheet. It plays correctly but I would like it to be played relative to current object transformation. For example I have a palm tree that moves its ...
2
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1answer
184 views

Adding an object viewer to a Unity Editor Window

I'm wondering if its possible to add an object viewer (For example when you import an .fbx file into unity you can see a small preview of it in the inspector) to a Unity Editor Window? I've looked ...
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2answers
1k views

How does the Unity3D entity system work?

I saw the Java Artemis Entity Component System and thought of the entity system in Unity3D. In Artemis for example you can only add one component type to each entity and the logic is not in the ...
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1answer
354 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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1answer
396 views

Increase animation speed according to the swipe speed in unity for Android

I have the animation done through Maya and brought the FBX file to unity. Here is my code to calculate the speed of the swipe: Vector2 speedMeasuredInScreenWidthsPerSecond ...
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2answers
215 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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0answers
899 views

Unity 2D - SpotLight and Shadow

I've been having some trouble in the process of creating my 2D game. Here is the thing, i want to create a light source on the top of the screen, blocked by some rocks and letting only go through some ...
2
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1answer
11k views

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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1answer
46 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
62 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 ...
2
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1answer
4k 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 ...
3
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1answer
1k 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
940 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 ...