Question by TK Han · Nov 04, 2013 at 07:42 AM · loop freeze nested

Nested for-loop freezing Unity

 for (int i = 0; i < Chunk.Width; i++)
 {
     for (int j = 0; j < Chunk.Height; j++)
     {
         for (int k = 0; k < Chunk.Length; k++)
         {
             //Debug.Log(new Vector3(i, j, k));
             //if (random.Next(2) == 1)
             //{
             //    Debug.Log("Adding block");
             //    chunk.Set(i, j, k, testBlock);
             //}
         }
     }
 }

Above code works well. However, the editor freezes on play when I uncomment ANY of the lines within the innermost for-loop.

It's weird that Unity has no problem running the loop when there is nothing in it, but freezes just by adding a Debug.Log line.

I can't seem to figure out what is the problem, so I would be grateful if anyone can tell me what's wrong with the code and how I can fix it.

Add comment · Show 4

tanoshimi · Nov 04, 2013 at 07:47 AM 0

This looks to be a duplicate of http://answers.unity3d.com/questions/568762/nested-for-loop-freezing-unity-1.html - could a mod check/remove please?

Cains · Nov 04, 2013 at 07:49 AM 0

Is this in an update() function? If so how big is Chunk.Width, Chunk.Height, and Chunk.Length? If this is the case you'll be logging and completing this Set function a great many times per second. That's some extreme processing that will likely freeze your game.

Of course if you leave it empty it's not nearly as much processing and won't freeze.