16 lines
433 B
JavaScript
16 lines
433 B
JavaScript
module.exports = random
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/**
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* Generates a random vector with the given scale
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*
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* @param {vec2} out the receiving vector
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* @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned
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* @returns {vec2} out
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*/
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function random(out, scale) {
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scale = scale || 1.0
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var r = Math.random() * 2.0 * Math.PI
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out[0] = Math.cos(r) * scale
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out[1] = Math.sin(r) * scale
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return out
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} |