Game of Life Snippets



I was very impressed when I saw Mario Klingemann's game of line in 3 lines of code blog post late last year. I've been meaning to post about it for awhile - finally got around to it.

Mario Klingemann is the developer of Peacock... an excellent node based image generator written in ActionScript.

BitmapData.paletteMap() is very powerful. I haven't done much with it, but I have some ideas floating around.

For those of you that are game of live savvy... try other rule sets from the lexicon... my personal favorite has always been coral (45678/3). Here's a link to some more.

Another short game of life recently appeared on on the forums.... here... the forum post features a nice explanation for using a ConvolutionFilter and Threshold to create The Game of Life. The technique is so small and impressive looking that I figured I'd post it as is right here:

  1. addChild(new Bitmap(new BitmapData(stage.stageWidth, stage.stageHeight, false, 0)))["bitmapData"].noise(int(Math.random()*int.MAX_VALUE),0,255,7,true);
  2. addEventListener(Event.ENTER_FRAME, function (e) {
  3.    getChildAt(0)["bitmapData"].applyFilter(getChildAt(0)["bitmapData"], getChildAt(0)["bitmapData"].rect, new Point(), new ConvolutionFilter(3, 3, [3,3,3,3,2,3,3,3,3],255,0,true,false,0,1));
  4.    getChildAt(0)["bitmapData"].threshold(getChildAt(0)["bitmapData"], getChildAt(0)["bitmapData"].rect, new Point(), "==", 8, 0xFFFFFFFF, 0xFC);
  5.    getChildAt(0)["bitmapData"].threshold(getChildAt(0)["bitmapData"], getChildAt(0)["bitmapData"].rect, new Point(), "!=", 0xFFFFFFFF, 0x00000000)})

The above code is by Daniil Tutubalin forums.


Since writing this post the forum thread has grown to include a 4 line version and some additional discussion about this topic... be sure to check it out.

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