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Question by Captain_Mayonnaise · Jul 30, 2014 at 04:06 PM · javascriptarray

2 Dimensional Array doesn't seem to work

Title says it all, here's the code:

 var grid = new Array();
 var terrainSize = GetComponent(Terrain).terrainData.size;
 for (var i = 0; i < terrainSize.x; i++) {
     grid.Push(new Array());
     for (var j = 0; j < terrainSize.z; j++) {
         grid[i].Push(false);
     }
 }

And when I try to run it I get the following error:

Assets/Scripts/TerrainManagement.js(9,33): BCE0019: 'push' is not a member of 'Object'.

Why are arrays not being created in the spaces in the grid 1D array?

Sorry, I've probably done something stupid but I'm pretty new to JS so.

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Answer by Eric5h5 · Jul 30, 2014 at 04:16 PM

Never use the Array class; it's slow and untyped. If you want a 2D array, use an actual 2D array, especially since that's what TerrainData functions require:

 var grid = new float[sizeX, sizeY];
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avatar image Captain_Mayonnaise · Jul 30, 2014 at 05:04 PM 0
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Thank you! This is exactly what I wanted anyway but I found loads of things saying that JS has no way of doing it like that. Tried so many things :D Thanks

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