fredgrott

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]);
}

fredgrott

import 'package:motor/motor.dart';

MotionBuilder(
  motion: MaterialSpringMotion.expressiveSpatialDefault,
  value: const Offset(100, 100),
  from: Offset.zero,
  converter: OffsetMotionConverter(),
  builder: (context, value, child) {
    return Transform.translate(
      offset: value,

fredgrott

import 'package:motor/motor.dart';

MotionBuilder(
  motion: CupertinoMotion.bouncy(),
  value: const Offset(100, 100),
  from: Offset.zero,
  converter: OffsetMotionConverter(),
  builder: (context, value, child) {
    return Transform.translate(
      offset: value,

fredgrott

import 'package:motor/motor.dart';

SingleMotionBuilder(
  motion: CupertinoMotion.bouncy(),
  value: targetValue, // Changes trigger smooth spring animation
  builder: (context, value, child) {
    return Container(
      width: value,
      height: value,
      color: Colors.blue,

fredgrott

import 'package:motor/motor.dart'
  
final customMaterial = MaterialSpringMotion(
  damping: 0.8,
  stiffness: 500,
);

fredgrott

import 'package:motor/motor.dart';

final customMotion = CupertinoMotion(
  duration: Duration(milliseconds: 600),
  bounce: 0.3,
);

fredgrott

import 'package:motor/motor.dart';

// Physics-based motion (natural, responsive)
final spring = CupertinoMotion.bouncy(); // Or `Motion.bouncySpring()`
final material = MaterialSpringMotion.standardSpatialDefault();

fredgrott

import 'package:motor/motor.dart'
  
AnimatedContainer(
   duration: const Duration(milliseconds: 500),
   curve: MotionCurve(spring: CupertinoMotion.bouncy, velocity: .3),
   height: size,
   width: size,
   color: Colors.blue,
 ),

fredgrott

impoart 'package:motor/motor.dart';

// Duration-based motion (traditional Flutter approach)
final linear = Motion.linear(Duration(seconds: 1));

final withCurve = Motion.curved(Duration(seconds: 1), Curves.easeInOut);

fredgrott

defaults write -g com.apple.SwiftUI.DisableSolarium -bool YES
defaults write com.apple.finder com.apple.SwiftUI.DisableSolarium -bool YES
defaults write com.apple.Preview com.apple.SwiftUI.DisableSolarium -bool YES

then restart or do these commands

killall finder
killall Preview