20 lines
498 B
JavaScript
20 lines
498 B
JavaScript
module.exports = lerp;
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/**
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* Performs a linear interpolation between 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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* @param {Number} t interpolation amount between the two inputs
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* @returns {vec3} out
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*/
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function lerp(out, a, b, t) {
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var ax = a[0],
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ay = a[1],
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az = a[2]
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out[0] = ax + t * (b[0] - ax)
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out[1] = ay + t * (b[1] - ay)
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out[2] = az + t * (b[2] - az)
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return out
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} |