Sceneform SDK for Android was open sourced and archived ( github.com/google-ar/sceneform-android-sdk ) with version 1.16.0.
This site ( developers.google.com/sceneform ) serves as the documentation archive for the previous version, Sceneform SDK for Android 1.15.0.
Do not use version 1.17.0 of the Sceneform Maven artifacts .
The 1.17.1 Maven artifacts can be used. Other than the version, however, the 1.17.1 artifacts are identical to the 1.15.0 artifacts.

Vector3Evaluator

Page Summary

Vector3Evaluator is a type evaluator used for animating positions and other 3D vectors in Sceneform.
It provides a way to smoothly transition between two Vector3 values.
It includes an evaluate method to calculate intermediate Vector3 values based on a fraction.
Vector3Evaluator inherits standard methods from Object and implements the TypeEvaluator interface.

public class Vector3Evaluator

TypeEvaluator for Vector3. Used to animate positions and other vectors.

evaluate (float fraction, Vector3 startValue, Vector3 endValue)

From class java.lang.Object

From interface android.animation.TypeEvaluator

abstract Vector3

evaluate (float arg0, Vector3 arg1, Vector3 arg2)

fraction
startValue
endValue