index.js
function (from, to) {
    this.lerpingScale = true;
    this.startLerpTimeScale = this.now();
    this.startScale = new THREE.Vector3(from.x, from.y, from.z);
    this.targetScale = new THREE.Vector3(to.x, to.y, to.z);
  }
function (from, to) {
    this.lerpingScale = true;
    this.startLerpTimeScale = this.now();
    this.startScale = new THREE.Vector3(from.x, from.y, from.z);
    this.targetScale = new THREE.Vector3(to.x, to.y, to.z);
  }
Start lerp to scale (vec3)