How to use

set

method

in

com.google.ar.sceneform.math.Vector3

@Override
protected void onStart(HitTestResult hitTestResult, MotionEvent motionEvent) {
 debugLog("Started: " + pointerId);
 position.set(GesturePointersUtility.motionEventToPosition(motionEvent, pointerId));
 gesturePointersUtility.retainPointerId(pointerId);
}

@Override
protected boolean updateGesture(HitTestResult hitTestResult, MotionEvent motionEvent) {
 int actionId = motionEvent.getPointerId(motionEvent.getActionIndex());
 int action = motionEvent.getActionMasked();
 if (action == MotionEvent.ACTION_MOVE) {
  Vector3 newPosition = GesturePointersUtility.motionEventToPosition(motionEvent, pointerId);
  if (!Vector3.equals(newPosition, position)) {
   delta.set(Vector3.subtract(newPosition, position));
   position.set(newPosition);
   debugLog("Updated: " + pointerId + " : " + position);
   return true;
  }
 } else if (actionId == pointerId
   && (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_POINTER_UP)) {
  complete();
 } else if (action == MotionEvent.ACTION_CANCEL) {
  cancel();
 }
 return false;
}

@Override
protected boolean updateGesture(HitTestResult hitTestResult, MotionEvent motionEvent) {
 int actionId = motionEvent.getPointerId(motionEvent.getActionIndex());
 int action = motionEvent.getActionMasked();
 if (action == MotionEvent.ACTION_CANCEL) {
  cancel();
  return false;
 }
 boolean touchEnded = action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_POINTER_UP;
 if (touchEnded && (actionId == pointerId1 || actionId == pointerId2)) {
  complete();
  return false;
 }
 if (action != MotionEvent.ACTION_MOVE) {
  return false;
 }
 Vector3 newPosition1 = GesturePointersUtility.motionEventToPosition(motionEvent, pointerId1);
 Vector3 newPosition2 = GesturePointersUtility.motionEventToPosition(motionEvent, pointerId2);
 deltaRotationDegrees =
   calculateDeltaRotation(newPosition1, newPosition2, previousPosition1, previousPosition2);
 previousPosition1.set(newPosition1);
 previousPosition2.set(newPosition2);
 debugLog("Update: " + deltaRotationDegrees);
 return true;
}

@Override
public boolean canStartTransformation(DragGesture gesture) {
 Node targetNode = gesture.getTargetNode();
 if (targetNode == null) {
  return false;
 }
 BaseTransformableNode transformableNode = getTransformableNode();
 if (targetNode != transformableNode && !targetNode.isDescendantOf(transformableNode)) {
  return false;
 }
 if (!transformableNode.isSelected() && !transformableNode.select()) {
  return false;
 }
 Vector3 initialForwardInWorld = transformableNode.getForward();
 Node parent = transformableNode.getParent();
 if (parent != null) {
  initialForwardInLocal.set(parent.worldToLocalDirection(initialForwardInWorld));
 } else {
  initialForwardInLocal.set(initialForwardInWorld);
 }
 return true;
}

Vector3 deltaPosition1 = Vector3.subtract(newPosition1, previousPosition1);
Vector3 deltaPosition2 = Vector3.subtract(newPosition2, previousPosition2);
previousPosition1.set(newPosition1);
previousPosition2.set(newPosition2);

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

localPosition.set(-0.5f * image.getExtentX(), 0.0f, -0.5f * image.getExtentZ());
cornerNode = new Node();
cornerNode.setParent(this);
localPosition.set(0.5f * image.getExtentX(), 0.0f, -0.5f * image.getExtentZ());
cornerNode = new Node();
cornerNode.setParent(this);
localPosition.set(0.5f * image.getExtentX(), 0.0f, 0.5f * image.getExtentZ());
cornerNode = new Node();
cornerNode.setParent(this);
localPosition.set(-0.5f * image.getExtentX(), 0.0f, 0.5f * image.getExtentZ());
cornerNode = new Node();
cornerNode.setParent(this);

Vector3 deltaPosition1 = Vector3.subtract(newPosition1, previousPosition1);
Vector3 deltaPosition2 = Vector3.subtract(newPosition2, previousPosition2);
previousPosition1.set(newPosition1);
previousPosition2.set(newPosition2);

  Quaternion.rotateVector(rotationFromAToB, Vector3.right()).normalized();
Vector3 upDirection = Quaternion.rotateVector(rotationFromAToB, Vector3.up()).normalized();
desiredUp.set(upDirection);

initialForwardInLocal.set(anchorNode.worldToLocalDirection(initialForwardInWorld));