New file |
0,0 → 1,40 |
/* |
Copyright (c) 2004-2006, The Dojo Foundation |
All Rights Reserved. |
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Licensed under the Academic Free License version 2.1 or above OR the |
modified BSD license. For more information on Dojo licensing, see: |
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http://dojotoolkit.org/community/licensing.shtml |
*/ |
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dojo.provide("dojo.math.points"); |
dojo.require("dojo.math"); |
dojo.math.points = {translate:function (a, b) { |
if (a.length != b.length) { |
dojo.raise("dojo.math.translate: points not same size (a:[" + a + "], b:[" + b + "])"); |
} |
var c = new Array(a.length); |
for (var i = 0; i < a.length; i++) { |
c[i] = a[i] + b[i]; |
} |
return c; |
}, midpoint:function (a, b) { |
if (a.length != b.length) { |
dojo.raise("dojo.math.midpoint: points not same size (a:[" + a + "], b:[" + b + "])"); |
} |
var c = new Array(a.length); |
for (var i = 0; i < a.length; i++) { |
c[i] = (a[i] + b[i]) / 2; |
} |
return c; |
}, invert:function (a) { |
var b = new Array(a.length); |
for (var i = 0; i < a.length; i++) { |
b[i] = -a[i]; |
} |
return b; |
}, distance:function (a, b) { |
return Math.sqrt(Math.pow(b[0] - a[0], 2) + Math.pow(b[1] - a[1], 2)); |
}}; |
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