StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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22 lines
531 B
22 lines
531 B
module.exports = rotateX
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/**
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* Rotates a quaternion by the given angle about the X axis
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*
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* @param {quat} out quat receiving operation result
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* @param {quat} a quat to rotate
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* @param {number} rad angle (in radians) to rotate
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* @returns {quat} out
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*/
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function rotateX (out, a, rad) {
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rad *= 0.5
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var ax = a[0], ay = a[1], az = a[2], aw = a[3],
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bx = Math.sin(rad), bw = Math.cos(rad)
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out[0] = ax * bw + aw * bx
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out[1] = ay * bw + az * bx
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out[2] = az * bw - ay * bx
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out[3] = aw * bw - ax * bx
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return out
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}
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