19 lines
439 B
JavaScript
19 lines
439 B
JavaScript
module.exports = cross;
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/**
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* Computes the cross product of two vec3's
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*
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* @param {vec3} out the receiving vector
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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 {vec3} out
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*/
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function cross(out, a, b) {
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var ax = a[0], ay = a[1], az = a[2],
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bx = b[0], by = b[1], bz = b[2]
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out[0] = ay * bz - az * by
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out[1] = az * bx - ax * bz
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out[2] = ax * by - ay * bx
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return out
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} |