@jscad/modeling/src/maths/vec2/lerp.js

Constructive Solid Geometry (CSG) Library for JSCAD

/**
 * Performs a linear interpolation between two vectors.
 *
 * @param {vec2} out - receiving vector
 * @param {vec2} a - first operand
 * @param {vec2} b - second operand
 * @param {Number} t - interpolation amount between the two vectors
 * @returns {vec2} out
 * @alias module:modeling/maths/vec2.lerp
 */
const lerp = (out, a, b, t) => {
  const ax = a[0]
  const ay = a[1]
  out[0] = ax + t * (b[0] - ax)
  out[1] = ay + t * (b[1] - ay)
  return out
}

module.exports = lerp