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bstro/gist:6149453

Created August 4, 2013 06:42
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gistfile1.coffee
left = Bacon.fromEventTarget(document, 'keyup').map('.keyCode').filter((x) -> x is 37).map [-1,0]
up = Bacon.fromEventTarget(document, 'keyup').map('.keyCode').filter((x) -> x is 38).map [0,1]
right = Bacon.fromEventTarget(document, 'keyup').map('.keyCode').filter((x) -> x is 39).map [1,0]
down = Bacon.fromEventTarget(document, 'keyup').map('.keyCode').filter((x) -> x is 40).map [0,-1]
keys = Bacon.mergeAll(up,down,left,right).log()
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