mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2025-12-21 01:36:02 +08:00
110 lines
3.9 KiB
Swift
110 lines
3.9 KiB
Swift
/******************************************************************************
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* Spine Runtimes License Agreement
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* Last updated April 5, 2025. Replaces all prior versions.
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*
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* Copyright (c) 2013-2025, Esoteric Software LLC
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*
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* Integration of the Spine Runtimes into software or otherwise creating
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* derivative works of the Spine Runtimes is permitted under the terms and
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* conditions of Section 2 of the Spine Editor License Agreement:
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* http://esotericsoftware.com/spine-editor-license
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*
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* Otherwise, it is permitted to integrate the Spine Runtimes into software
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* or otherwise create derivative works of the Spine Runtimes (collectively,
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* "Products"), provided that each user of the Products must obtain their own
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* Spine Editor license and redistribution of the Products in any form must
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* include this license and copyright notice.
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*
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* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
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* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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import SwiftUI
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import Spine
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struct Physics: View {
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@StateObject
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var model = PhysicsModel()
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var body: some View {
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ZStack {
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Color(red: 51 / 255, green: 51 / 255, blue: 51 / 255).ignoresSafeArea()
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SpineView(
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from: .bundle(atlasFileName: "celestial-circus-pma.atlas", skeletonFileName: "celestial-circus-pro.skel"),
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controller: model.controller
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)
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.gesture(
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DragGesture(minimumDistance: 0)
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.onChanged { gesture in
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model.updateBonePosition(position: gesture.location)
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}
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)
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}
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.navigationTitle("Physics (drag anywhere)")
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.navigationBarTitleDisplayMode(.inline)
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}
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}
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#Preview {
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Physics()
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}
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final class PhysicsModel: ObservableObject {
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@Published
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var controller: SpineController!
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@Published
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var mousePosition: CGPoint?
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@Published
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var lastMousePosition: CGPoint?
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init() {
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controller = SpineController(
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onInitialized: { controller in
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controller.animationState.setAnimationByName(
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trackIndex: 0,
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animationName: "eyeblink",
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loop: true
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)
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controller.animationState.setAnimationByName(
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trackIndex: 1,
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animationName: "wings-and-feet",
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loop: true
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)
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},
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onAfterUpdateWorldTransforms: {
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[weak self] controller in guard let self else { return }
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guard let lastMousePosition else {
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self.lastMousePosition = mousePosition
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return
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}
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guard let mousePosition else {
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return
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}
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let dx = mousePosition.x - lastMousePosition.x
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let dy = mousePosition.y - lastMousePosition.y
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let positionX = controller.skeleton.x + Float(dx)
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let positionY = controller.skeleton.y + Float(dy)
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controller.skeleton.setPosition(x: positionX, y: positionY)
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self.lastMousePosition = mousePosition
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}
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)
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}
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func updateBonePosition(position: CGPoint) {
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mousePosition = controller.toSkeletonCoordinates(position: position)
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}
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}
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