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ikekou/gist:5559123

Last active December 17, 2015 05:38
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[Math][JavaScript][CoffeeScript]座標(p1x,p1y)と(p2x,p2y)の距離を求める
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gistfile1.coffee
getDistance:(p1x,p1y,p2x,p2y)->
dx=p1x-p2x
dy=p1y-p2y
return Math.sqrt(dx*dx+dy*dy)
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