A* pathfinding doesn't work on mobile devices.

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Hello all! :slight_smile: I’m creating a 2d game, using NGUI and A* pathfinding algorithm. Everything was fine, until one day, I started my game on phone and AI objects didn’t run. After some researches, I found out that it’s a problem with A* function “OnPathComplete”. It just doesn’t call when we get path back.
Everything works fine on PC, but with this problem on devices (Samsung Galaxy mini 2; Samsung Galaxy Tab 2). I had tried to reload A* package to recover all scripts but it didn’t help.
Who knows why this problem appears - help me, please :slight_smile:

1 Answer

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First A* is just an algorithm and there are tons of implementations of it. You probably talk about one implementation of arongranberg.

I can tell you for sure that it works on Android :wink: In my last company we used it and ir worked as it should on Android (different models) and iPad.

You probably doing something wrong. Well now i can stop here since we don’t know what your code looks like or where it goes wrong.

Some additional points:

  • Do you have any platform dependend compilation? (#if UNITY_ANDROID …)?
  • Do you have checked your logcat for any errors?

Thanks for reply :) Yes, you're right, I'm using arongranberg's implementation. I know that it works for Android, it worked on my devices too, but something happened and it stopped working :( Do you have any platform dependend compilation? (#if UNITY_ANDROID ...)? - Yes, some string in NGUI scripts, but it worked before, and I didn't add anything like this Do you have checked your logcat for any errors? - For debug, I just showed strings on the screen like Debug.Log, and the string from OnPathComplete didn't showed up.

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