module.exports = lerp; /** * Performs a linear interpolation between two vec3's * * @param {vec3} out the receiving vector * @param {vec3} a the first operand * @param {vec3} b the second operand * @param {Number} t interpolation amount between the two inputs * @returns {vec3} out */ function lerp(out, a, b, t) { var ax = a[0], ay = a[1], az = a[2] out[0] = ax + t * (b[0] - ax) out[1] = ay + t * (b[1] - ay) out[2] = az + t * (b[2] - az) return out }