15 lines
374 B
JavaScript
15 lines
374 B
JavaScript
module.exports = squaredDistance;
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/**
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* Calculates the squared euclidian distance between two vec3's
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*
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* @param {vec3} a the first operand
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* @param {vec3} b the second operand
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* @returns {Number} squared distance between a and b
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*/
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function squaredDistance(a, b) {
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var x = b[0] - a[0],
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y = b[1] - a[1],
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z = b[2] - a[2]
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return x*x + y*y + z*z
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} |