2
votes
1answer
282 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
1answer
117 views

Slow Update to improve performance?

For my enemy AI, I only need decision making to be done every second or every half second. Would it make a meaningful difference if I didn't run the analyzing method in the Update, but rather invoked ...
2
votes
1answer
140 views

When one should use events in Unity and how they impact performance?

let's say that inside an OnGUI() script we want to call a method from another script to handle a particular situation. From a prestational point of view, what's the difference between these 3 ...
2
votes
3answers
920 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 ...
0
votes
1answer
700 views

Directional light causes an FPS drop

I have only one object in the scene and it is lit with a directional light. It uses the mobile/diffuse shader. The issue is that on iPhone 4 the FPS drops from ~42FPS to ~11FPS when the directional ...
-2
votes
1answer
166 views

Optimization Question about Singleton [closed]

I am using Unity with c#. I have two objects and one needs to call a function from the other which is a Singleton. For this I have two solutions. But what's the best thing to do : - Call for : ...
0
votes
1answer
571 views

Using 4096*4096 background image in uinty tk2d

I am new to Unity and I am developing a game using unity its a 2d game i am using tk2d framework. I have a big background image(4096*4096) how can I load this background so only visible part of the ...
2
votes
0answers
549 views

How to occlude lights in Unity3D?

First off, I own Unity Pro. I've been looking in to occluding lights when they aren't being viewed for a while now to improve performance. The main methods I ran in to were using BecameVisible() and ...
2
votes
2answers
2k views

How do I simulate a crowd in the stadium stands?

I'm working on a mobile sports game with Unity. I'm wondering how I could create an efficient effect of an audience in the stadium. I know that with more than 15 characters in my games (with 1800 ...
4
votes
1answer
7k views

How to detect collision in Unity3D without rigid bodies?

The target platform of my game is mobile devices therefore I try to develop it performance oriented. It will be a strategy game so I don't really need physics in it, consequently I did not add ...
3
votes
4answers
2k views

IOS OpenGl transparency performance issue

I have built a game in Unity that uses OpenGL ES 1.1 for IOS. I have a nice constant frame rate of 30 until i place a semi transparent texture over the top on my entire scene. I expect the drop in ...
4
votes
1answer
3k views

Starting a Java activity in Unity3d Android

I wrote a small Java activity extension of UnityPlayerActivity similar to what is described in the Unity docs. It has a method for displaying a song picking interface using an ACTION_GET_CONTENT ...
11
votes
2answers
3k views

How should I account for the GC when building games with Unity?

*As far as I know, Unity3D for iOS is based on the Mono runtime and Mono has only generational mark & sweep GC. This GC system can't avoid GC time which stops game system. Instance pooling can ...
4
votes
1answer
2k views

Unity3D GUI - what exactly it does when create controls and check their statuses?

On unity3d website in the manual on this page: http://unity3d.com/support/documentation/Components/gui-Controls.html I found an example of "GUI.changed" function usage(below). And it looks like it ...