From: Matthew Margolis <mrmargolis@...>
Date: 2004-09-21T11:02:15+09:00
Subject: Re: Filling a 2D array

Mehr, Assaph (Assaph) wrote:

>>>Gah, posted too soon!
>>>
>>># initialize an array of arrays:
>>>@tileArray = Array.new(@height) { Array.new }
>>># Initizlize arrays of tiles:
>>>@height.times { @tileArray.push Array.new(@width) {Tile.new} }
>>>      
>>>
>
>  
>
>>Ah, that makes sense. 
>>    
>>
>
>I should REALLY get coffee before I post anything more today!
>
>If you use my example above you'll end up with @tileArray being an Array
>with the first @height elements being empty Arrays and the second
>@height arrays being the tile arrays. The first initialization should
>just be
>  @tileArray = []
>So you could use the push method in the block. However, it's probably
>cleaner (and a bit more efficient) to use:
>  @tileArray = Array.new(@width) { Array.new(@height) {Tile.new} }
>
>Thus the first parameter is the number of elements in the array and the
>second is a block to call for each cell, for both rows and columns.
>
>I'll go get coffee now.
>
>  
>
Excellent.  This time I have run a few tests before responding and have 
verified that your advice is good.

-Matthew Margolis