motor, motionconverter custom

snippet.dart

import 'package:motor/motor.dart';

class My3DMotionConverter implements MotionConverter<Vector3> {
  @override
  List<double> normalize(Vector3 value) => [value.x, value.y, value.z];

  @override
  Vector3 denormalize(List<double> values) => Vector3(values[0], values[1], values[2]);
}

Widget build(BuildContext context) {
  return MotionBuilder(
    motion: CupertinoMotion.bouncy(),
    value: Vector3(100, 100, 100),
    converter: My3DMotionConverter(),
    // ...
  );
}