My question is, am I converting this code correctly from CS to JS?
cs: Vector3 extra = Vector3.up * (Physics.gravity.y * gravityScale) * (fallMultiplier - 1) * Time.deltaTime;
JS: var extra = pc.Vec3.UP.clone().mulScalar(this.app.systems.rigidbody.gravity.y * this.gravityScale).clone().mulScalar(this.fallMultiplier- 1).mulScalar(dt);