13 lines
242 B
JavaScript
13 lines
242 B
JavaScript
module.exports = length
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/**
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* Calculates the length of a vec2
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*
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* @param {vec2} a vector to calculate length of
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* @returns {Number} length of a
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*/
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function length(a) {
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var x = a[0],
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y = a[1]
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return Math.sqrt(x*x + y*y)
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} |