2025-10-29 14:12:27 +01:00

92 lines
3.3 KiB
Dart

//
// Spine Runtimes License Agreement
// Last updated April 5, 2025. Replaces all prior versions.
//
// Copyright (c) 2013-2025, Esoteric Software LLC
//
// Integration of the Spine Runtimes into software or otherwise creating
// derivative works of the Spine Runtimes is permitted under the terms and
// conditions of Section 2 of the Spine Editor License Agreement:
// http://esotericsoftware.com/spine-editor-license
//
// Otherwise, it is permitted to integrate the Spine Runtimes into software
// or otherwise create derivative works of the Spine Runtimes (collectively,
// "Products"), provided that each user of the Products must obtain their own
// Spine Editor license and redistribution of the Products in any form must
// include this license and copyright notice.
//
// THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
// BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
import 'package:spine_flutter/spine_flutter.dart';
import 'package:flutter/material.dart';
class PhysicsTest extends StatefulWidget {
const PhysicsTest({super.key});
@override
PhysicsState createState() => PhysicsState();
}
class PhysicsState extends State<PhysicsTest> {
late SpineWidgetController controller;
Offset? mousePosition;
Offset? lastMousePosition;
@override
void initState() {
super.initState();
controller = SpineWidgetController(
onInitialized: (controller) {
controller.animationState.setAnimation(0, "eyeblink-long", true);
controller.animationState.setAnimation(1, "wings-and-feet", true);
},
onAfterUpdateWorldTransforms: (controller) {
if (lastMousePosition == null) {
lastMousePosition = mousePosition;
return;
}
if (mousePosition == null) {
return;
}
final dx = mousePosition!.dx - lastMousePosition!.dx;
final dy = mousePosition!.dy - lastMousePosition!.dy;
final position = controller.skeleton.getPosition();
position.x += dx;
position.y += dy;
controller.skeleton.setPosition(position.x, position.y);
lastMousePosition = mousePosition;
},
);
}
void _updateBonePosition(Offset position) {
mousePosition = controller.toSkeletonCoordinates(position);
}
@override
Widget build(BuildContext context) {
reportLeaks();
return Scaffold(
appBar: AppBar(title: const Text('Physics (drag anywhere)')),
body: GestureDetector(
onPanDown: (drag) => _updateBonePosition(drag.localPosition),
onPanUpdate: (drag) => _updateBonePosition(drag.localPosition),
child: SpineWidget.fromAsset("assets/celestial-circus.atlas", "assets/celestial-circus-pro.skel", controller),
),
);
}
}