How to use

scaled

method

in

com.google.ar.sceneform.math.Vector3

final Vector3 center = Vector3.add(firstPoint, secondPoint).scaled(.5f);
     directionFromTopToBottom.scaled(-halfHeight),
     Vector3.add(
       rightDirection.scaled(radius * cosTheta), upDirection.scaled(radius * sinTheta)));
 Vector3 normal =
   Vector3.subtract(topPosition, directionFromTopToBottom.scaled(-halfHeight)).normalized();
 topPosition = Vector3.add(topPosition, center);
 UvCoordinate uvCoordinate = new UvCoordinate(uStep * edgeIndex, 0);
     directionFromTopToBottom.scaled(halfHeight),
     Vector3.add(
       rightDirection.scaled(radius * cosTheta), upDirection.scaled(radius * sinTheta)));
 normal =
   Vector3.subtract(bottomPosition, directionFromTopToBottom.scaled(halfHeight))
     .normalized();
 bottomPosition = Vector3.add(bottomPosition, center);

    rightDirection.scaled(radius * cosTheta), upDirection.scaled(radius * sinTheta));
Vector3 normal = position.normalized();
position.set(Vector3.add(position, influencePoint));