fix：1、更换项目，使用winter来创建

2026-04-22 11:13:16 +08:00
parent 173cfb2dc9
commit 83ff9f71ad
7375 changed files with 209752 additions and 157557 deletions
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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated January 1, 2020. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2020, 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.
+ *****************************************************************************/
+
+using UnityEngine;
+using System.Collections.Generic;
+using Spine.Unity.AnimationTools;
+
+namespace Spine.Unity {
+
+	/// <summary>
+	/// Add this component to a SkeletonMecanim GameObject
+	/// to turn motion of a selected root bone into Transform or RigidBody motion.
+	/// Local bone translation movement is used as motion.
+	/// All top-level bones of the skeleton are moved to compensate the root
+	/// motion bone location, keeping the distance relationship between bones intact.
+	/// </summary>
+	/// <remarks>
+	/// Only compatible with <c>SkeletonMecanim</c>.
+	/// For <c>SkeletonAnimation</c> or <c>SkeletonGraphic</c> please use
+	/// <see cref="SkeletonRootMotion">SkeletonRootMotion</see> instead.
+	/// </remarks>
+	[HelpURL("http://esotericsoftware.com/spine-unity#SkeletonMecanimRootMotion")]
+	public class SkeletonMecanimRootMotion : SkeletonRootMotionBase {
+		#region Inspector
+		const int DefaultMecanimLayerFlags = -1;
+		public int mecanimLayerFlags = DefaultMecanimLayerFlags;
+		#endregion
+
+		protected Vector2 movementDelta;
+
+		SkeletonMecanim skeletonMecanim;
+		public SkeletonMecanim SkeletonMecanim {
+			get {
+				return skeletonMecanim ? skeletonMecanim : skeletonMecanim = GetComponent<SkeletonMecanim>();
+			}
+		}
+
+		public override Vector2 GetRemainingRootMotion (int layerIndex) {
+			var pair = skeletonMecanim.Translator.GetActiveAnimationAndTime(layerIndex);
+			var animation = pair.Key;
+			var time = pair.Value;
+			if (animation == null)
+				return Vector2.zero;
+
+			float start = time;
+			float end = animation.duration;
+			return GetAnimationRootMotion(start, end, animation);
+		}
+
+		public override RootMotionInfo GetRootMotionInfo (int layerIndex) {
+			var pair = skeletonMecanim.Translator.GetActiveAnimationAndTime(layerIndex);
+			var animation = pair.Key;
+			var time = pair.Value;
+			if (animation == null)
+				return new RootMotionInfo();
+			return GetAnimationRootMotionInfo(animation, time);
+		}
+
+		protected override void Reset () {
+			base.Reset();
+			mecanimLayerFlags = DefaultMecanimLayerFlags;
+		}
+
+		protected override void Start () {
+			base.Start();
+			skeletonMecanim = GetComponent<SkeletonMecanim>();
+			if (skeletonMecanim) {
+				skeletonMecanim.Translator.OnClipApplied -= OnClipApplied;
+				skeletonMecanim.Translator.OnClipApplied += OnClipApplied;
+			}
+		}
+
+		void OnClipApplied(Spine.Animation animation, int layerIndex, float weight,
+				float time, float lastTime, bool playsBackward) {
+
+			if (((mecanimLayerFlags & 1<<layerIndex) == 0) || weight == 0)
+				return;
+
+			if (!playsBackward) {
+				movementDelta += weight * GetAnimationRootMotion(lastTime, time, animation);
+			}
+			else {
+				movementDelta -= weight * GetAnimationRootMotion(time, lastTime, animation);
+			}
+		}
+
+		protected override Vector2 CalculateAnimationsMovementDelta () {
+			// Note: movement delta is not gather after animation but
+			// in OnClipApplied after every applied animation.
+			Vector2 result = movementDelta;
+			movementDelta = Vector2.zero;
+			return result;
+		}
+	}
+}
@@ -0,0 +1,12 @@
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+guid: 95813afe390494344a6ce2cbc8bfb7d1
+timeCreated: 1592849332
+licenseType: Pro
+MonoImporter:
+  serializedVersion: 2
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+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,157 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated January 1, 2020. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2020, 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.
+ *****************************************************************************/
+
+using UnityEngine;
+using System.Collections.Generic;
+using Spine.Unity.AnimationTools;
+
+namespace Spine.Unity {
+
+	/// <summary>
+	/// Add this component to a SkeletonAnimation or SkeletonGraphic GameObject
+	/// to turn motion of a selected root bone into Transform or RigidBody motion.
+	/// Local bone translation movement is used as motion.
+	/// All top-level bones of the skeleton are moved to compensate the root
+	/// motion bone location, keeping the distance relationship between bones intact.
+	/// </summary>
+	/// <remarks>
+	/// Only compatible with SkeletonAnimation (or other components that implement
+	/// ISkeletonComponent, ISkeletonAnimation and IAnimationStateComponent).
+	/// For <c>SkeletonMecanim</c> please use
+	/// <see cref="SkeletonMecanimRootMotion">SkeletonMecanimRootMotion</see> instead.
+	/// </remarks>
+	[HelpURL("http://esotericsoftware.com/spine-unity#SkeletonRootMotion")]
+	public class SkeletonRootMotion : SkeletonRootMotionBase {
+		#region Inspector
+		const int DefaultAnimationTrackFlags = -1;
+		public int animationTrackFlags = DefaultAnimationTrackFlags;
+		#endregion
+
+		AnimationState animationState;
+		Canvas canvas;
+
+		public override Vector2 GetRemainingRootMotion (int trackIndex) {
+			TrackEntry track = animationState.GetCurrent(trackIndex);
+			if (track == null)
+				return Vector2.zero;
+
+			var animation = track.Animation;
+			float start = track.AnimationTime;
+			float end = animation.duration;
+			return GetAnimationRootMotion(start, end, animation);
+		}
+
+		public override RootMotionInfo GetRootMotionInfo (int trackIndex) {
+			TrackEntry track = animationState.GetCurrent(trackIndex);
+			if (track == null)
+				return new RootMotionInfo();
+
+			var animation = track.Animation;
+			float time = track.AnimationTime;
+			return GetAnimationRootMotionInfo(track.Animation, time);
+		}
+
+		protected override float AdditionalScale {
+			get {
+				return canvas ? canvas.referencePixelsPerUnit: 1.0f;
+			}
+		}
+
+		protected override void Reset () {
+			base.Reset();
+			animationTrackFlags = DefaultAnimationTrackFlags;
+		}
+
+		protected override void Start () {
+			base.Start();
+			var animstateComponent = skeletonComponent as IAnimationStateComponent;
+			this.animationState = (animstateComponent != null) ? animstateComponent.AnimationState : null;
+
+			if (this.GetComponent<CanvasRenderer>() != null) {
+				canvas = this.GetComponentInParent<Canvas>();
+			}
+		}
+
+		protected override Vector2 CalculateAnimationsMovementDelta () {
+			Vector2 localDelta = Vector2.zero;
+			int trackCount = animationState.Tracks.Count;
+
+			for (int trackIndex = 0; trackIndex < trackCount; ++trackIndex) {
+				// note: animationTrackFlags != -1 below covers trackIndex >= 32,
+				// with -1 corresponding to entry "everything" of the dropdown list.
+				if (animationTrackFlags != -1 && (animationTrackFlags & 1 << trackIndex) == 0)
+					continue;
+
+				TrackEntry track = animationState.GetCurrent(trackIndex);
+				TrackEntry next = null;
+				while (track != null) {
+					var animation = track.Animation;
+					float start = track.animationLast;
+					float end = track.AnimationTime;
+					var currentDelta = GetAnimationRootMotion(start, end, animation);
+					if (currentDelta != Vector2.zero) {
+						ApplyMixAlphaToDelta(ref currentDelta, next, track);
+						localDelta += currentDelta;
+					}
+
+					// Traverse mixingFrom chain.
+					next = track;
+					track = track.mixingFrom;
+				}
+			}
+			return localDelta;
+		}
+
+		void ApplyMixAlphaToDelta (ref Vector2 currentDelta, TrackEntry next, TrackEntry track) {
+			// Apply mix alpha to the delta position (based on AnimationState.cs).
+			float mix;
+			if (next != null) {
+				if (next.mixDuration == 0) { // Single frame mix to undo mixingFrom changes.
+					mix = 1;
+				}
+				else {
+					mix = next.mixTime / next.mixDuration;
+					if (mix > 1) mix = 1;
+				}
+				float mixAndAlpha = track.alpha * next.interruptAlpha * (1 - mix);
+				currentDelta *= mixAndAlpha;
+			}
+			else {
+				if (track.mixDuration == 0) {
+					mix = 1;
+				}
+				else {
+					mix = track.alpha * (track.mixTime / track.mixDuration);
+					if (mix > 1) mix = 1;
+				}
+				currentDelta *= mix;
+			}
+		}
+	}
+}
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: f21c9538588898a45a3da22bf4779ab3
+timeCreated: 1591121072
+licenseType: Pro
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+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,322 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated January 1, 2020. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2020, 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.
+ *****************************************************************************/
+
+using UnityEngine;
+using System.Collections.Generic;
+using Spine.Unity.AnimationTools;
+using System;
+
+namespace Spine.Unity {
+
+	/// <summary>
+	/// Base class for skeleton root motion components.
+	/// </summary>
+	abstract public class SkeletonRootMotionBase : MonoBehaviour {
+
+		#region Inspector
+		[SpineBone]
+		[SerializeField]
+		protected string rootMotionBoneName = "root";
+		public bool transformPositionX = true;
+		public bool transformPositionY = true;
+
+		public float rootMotionScaleX = 1;
+		public float rootMotionScaleY = 1;
+		/// <summary>Skeleton space X translation per skeleton space Y translation root motion.</summary>
+		public float rootMotionTranslateXPerY = 0;
+		/// <summary>Skeleton space Y translation per skeleton space X translation root motion.</summary>
+		public float rootMotionTranslateYPerX = 0;
+
+		[Header("Optional")]
+		public Rigidbody2D rigidBody2D;
+		public Rigidbody rigidBody;
+
+		public bool UsesRigidbody {
+			get { return rigidBody != null || rigidBody2D != null; }
+		}
+		#endregion
+
+		protected ISkeletonComponent skeletonComponent;
+		protected Bone rootMotionBone;
+		protected int rootMotionBoneIndex;
+		protected List<Bone> topLevelBones = new List<Bone>();
+		protected Vector2 initialOffset = Vector2.zero;
+		protected Vector2 tempSkeletonDisplacement;
+		protected Vector2 rigidbodyDisplacement;
+
+		protected virtual void Reset () {
+			FindRigidbodyComponent();
+		}
+
+		protected virtual void Start () {
+			skeletonComponent = GetComponent<ISkeletonComponent>();
+			GatherTopLevelBones();
+			SetRootMotionBone(rootMotionBoneName);
+			if (rootMotionBone != null)
+				initialOffset = new Vector2(rootMotionBone.x, rootMotionBone.y);
+
+			var skeletonAnimation = skeletonComponent as ISkeletonAnimation;
+			if (skeletonAnimation != null) {
+				skeletonAnimation.UpdateLocal -= HandleUpdateLocal;
+				skeletonAnimation.UpdateLocal += HandleUpdateLocal;
+			}
+		}
+
+		protected virtual void FixedUpdate () {
+			if (!this.isActiveAndEnabled)
+				return; // Root motion is only applied when component is enabled.
+
+			if (rigidBody2D != null) {
+				rigidBody2D.MovePosition(new Vector2(transform.position.x, transform.position.y)
+					+ rigidbodyDisplacement);
+			}
+			if (rigidBody != null) {
+				rigidBody.MovePosition(transform.position
+					+ new Vector3(rigidbodyDisplacement.x, rigidbodyDisplacement.y, 0));
+			}
+			Vector2 parentBoneScale;
+			GetScaleAffectingRootMotion(out parentBoneScale);
+			ClearEffectiveBoneOffsets(parentBoneScale);
+			rigidbodyDisplacement = Vector2.zero;
+			tempSkeletonDisplacement = Vector2.zero;
+		}
+
+		protected virtual void OnDisable () {
+			rigidbodyDisplacement = Vector2.zero;
+			tempSkeletonDisplacement = Vector2.zero;
+		}
+
+		protected void FindRigidbodyComponent () {
+			rigidBody2D = this.GetComponent<Rigidbody2D>();
+			if (!rigidBody2D)
+				rigidBody = this.GetComponent<Rigidbody>();
+
+			if (!rigidBody2D && !rigidBody) {
+				rigidBody2D = this.GetComponentInParent<Rigidbody2D>();
+				if (!rigidBody2D)
+					rigidBody = this.GetComponentInParent<Rigidbody>();
+			}
+		}
+
+		protected virtual float AdditionalScale { get { return 1.0f; } }
+		abstract protected Vector2 CalculateAnimationsMovementDelta ();
+		abstract public Vector2 GetRemainingRootMotion (int trackIndex = 0);
+
+		public struct RootMotionInfo {
+			public Vector2 start;
+			public Vector2 current;
+			public Vector2 mid;
+			public Vector2 end;
+			public bool timeIsPastMid;
+		};
+		abstract public RootMotionInfo GetRootMotionInfo (int trackIndex = 0);
+
+		public void SetRootMotionBone (string name) {
+			var skeleton = skeletonComponent.Skeleton;
+			int index = skeleton.FindBoneIndex(name);
+			if (index >= 0) {
+				this.rootMotionBoneIndex = index;
+				this.rootMotionBone = skeleton.bones.Items[index];
+			}
+			else {
+				Debug.Log("Bone named \"" + name + "\" could not be found.");
+				this.rootMotionBoneIndex = 0;
+				this.rootMotionBone = skeleton.RootBone;
+			}
+		}
+
+		public void AdjustRootMotionToDistance (Vector2 distanceToTarget, int trackIndex = 0, bool adjustX = true, bool adjustY = true,
+			float minX = 0, float maxX = float.MaxValue, float minY = 0, float maxY = float.MaxValue,
+			bool allowXTranslation = false, bool allowYTranslation = false) {
+
+			Vector2 distanceToTargetSkeletonSpace = (Vector2)transform.InverseTransformVector(distanceToTarget);
+			Vector2 scaleAffectingRootMotion = GetScaleAffectingRootMotion();
+			if (UsesRigidbody)
+				distanceToTargetSkeletonSpace -= tempSkeletonDisplacement;
+
+			Vector2 remainingRootMotionSkeletonSpace = GetRemainingRootMotion(trackIndex);
+			remainingRootMotionSkeletonSpace.Scale(scaleAffectingRootMotion);
+			if (remainingRootMotionSkeletonSpace.x == 0)
+				remainingRootMotionSkeletonSpace.x = 0.0001f;
+			if (remainingRootMotionSkeletonSpace.y == 0)
+				remainingRootMotionSkeletonSpace.y = 0.0001f;
+
+			if (adjustX)
+				rootMotionScaleX = Math.Min(maxX, Math.Max(minX, distanceToTargetSkeletonSpace.x / remainingRootMotionSkeletonSpace.x));
+			if (adjustY)
+				rootMotionScaleY = Math.Min(maxY, Math.Max(minY, distanceToTargetSkeletonSpace.y / remainingRootMotionSkeletonSpace.y));
+
+			if (allowXTranslation)
+				rootMotionTranslateXPerY = (distanceToTargetSkeletonSpace.x - remainingRootMotionSkeletonSpace.x * rootMotionScaleX) / remainingRootMotionSkeletonSpace.y;
+			if (allowYTranslation)
+				rootMotionTranslateYPerX = (distanceToTargetSkeletonSpace.y - remainingRootMotionSkeletonSpace.y * rootMotionScaleY) / remainingRootMotionSkeletonSpace.x;
+		}
+
+		public Vector2 GetAnimationRootMotion (Animation animation) {
+			return GetAnimationRootMotion(0, animation.duration, animation);
+		}
+
+		public Vector2 GetAnimationRootMotion (float startTime, float endTime,
+			Animation animation) {
+
+			var timeline = animation.FindTranslateTimelineForBone(rootMotionBoneIndex);
+			if (timeline != null) {
+				return GetTimelineMovementDelta(startTime, endTime, timeline, animation);
+			}
+			return Vector2.zero;
+		}
+
+		public RootMotionInfo GetAnimationRootMotionInfo (Animation animation, float currentTime) {
+			RootMotionInfo rootMotion = new RootMotionInfo();
+			var timeline = animation.FindTranslateTimelineForBone(rootMotionBoneIndex);
+			if (timeline != null) {
+				float duration = animation.duration;
+				float mid = duration * 0.5f;
+				rootMotion.start = timeline.Evaluate(0);
+				rootMotion.current = timeline.Evaluate(currentTime);
+				rootMotion.mid = timeline.Evaluate(mid);
+				rootMotion.end = timeline.Evaluate(duration);
+				rootMotion.timeIsPastMid = currentTime > mid;
+			}
+			return rootMotion;
+		}
+
+		Vector2 GetTimelineMovementDelta (float startTime, float endTime,
+			TranslateTimeline timeline, Animation animation) {
+
+			Vector2 currentDelta;
+			if (startTime > endTime) // Looped
+				currentDelta = (timeline.Evaluate(animation.duration) - timeline.Evaluate(startTime))
+					+ (timeline.Evaluate(endTime) - timeline.Evaluate(0));
+			else if (startTime != endTime) // Non-looped
+				currentDelta = timeline.Evaluate(endTime) - timeline.Evaluate(startTime);
+			else
+				currentDelta = Vector2.zero;
+			return currentDelta;
+		}
+
+		void GatherTopLevelBones () {
+			topLevelBones.Clear();
+			var skeleton = skeletonComponent.Skeleton;
+			foreach (var bone in skeleton.Bones) {
+				if (bone.Parent == null)
+					topLevelBones.Add(bone);
+			}
+		}
+
+		void HandleUpdateLocal (ISkeletonAnimation animatedSkeletonComponent) {
+			if (!this.isActiveAndEnabled)
+				return; // Root motion is only applied when component is enabled.
+
+			var boneLocalDelta = CalculateAnimationsMovementDelta();
+			Vector2 parentBoneScale;
+			Vector2 skeletonDelta = GetSkeletonSpaceMovementDelta(boneLocalDelta, out parentBoneScale);
+			ApplyRootMotion(skeletonDelta, parentBoneScale);
+		}
+
+		void ApplyRootMotion (Vector2 skeletonDelta, Vector2 parentBoneScale) {
+			// Apply root motion to Transform or RigidBody;
+			if (UsesRigidbody) {
+				rigidbodyDisplacement += (Vector2)transform.TransformVector(skeletonDelta);
+
+				// Accumulated displacement is applied on the next Physics update in FixedUpdate.
+				// Until the next Physics update, tempBoneDisplacement is offsetting bone locations
+				// to prevent stutter which would otherwise occur if we don't move every Update.
+				tempSkeletonDisplacement += skeletonDelta;
+				SetEffectiveBoneOffsetsTo(tempSkeletonDisplacement, parentBoneScale);
+			}
+			else {
+				transform.position += transform.TransformVector(skeletonDelta);
+				ClearEffectiveBoneOffsets(parentBoneScale);
+			}
+		}
+
+		Vector2 GetScaleAffectingRootMotion () {
+			Vector2 parentBoneScale;
+			return GetScaleAffectingRootMotion(out parentBoneScale);
+		}
+
+		Vector2 GetScaleAffectingRootMotion (out Vector2 parentBoneScale) {
+			var skeleton = skeletonComponent.Skeleton;
+			Vector2 totalScale = Vector2.one;
+			totalScale.x *= skeleton.ScaleX;
+			totalScale.y *= skeleton.ScaleY;
+
+			parentBoneScale = Vector2.one;
+			Bone scaleBone = rootMotionBone;
+			while ((scaleBone = scaleBone.parent) != null) {
+				parentBoneScale.x *= scaleBone.ScaleX;
+				parentBoneScale.y *= scaleBone.ScaleY;
+			}
+			totalScale = Vector2.Scale(totalScale, parentBoneScale);
+			totalScale *= AdditionalScale;
+			return totalScale;
+		}
+
+		Vector2 GetSkeletonSpaceMovementDelta (Vector2 boneLocalDelta, out Vector2 parentBoneScale) {
+			Vector2 skeletonDelta = boneLocalDelta;
+			Vector2 totalScale = GetScaleAffectingRootMotion(out parentBoneScale);
+			skeletonDelta.Scale(totalScale);
+
+			Vector2 rootMotionTranslation = new Vector2(
+				rootMotionTranslateXPerY * skeletonDelta.y,
+				rootMotionTranslateYPerX * skeletonDelta.x);
+
+			skeletonDelta.x *= rootMotionScaleX;
+			skeletonDelta.y *= rootMotionScaleY;
+			skeletonDelta.x += rootMotionTranslation.x;
+			skeletonDelta.y += rootMotionTranslation.y;
+
+			if (!transformPositionX) skeletonDelta.x = 0f;
+			if (!transformPositionY) skeletonDelta.y = 0f;
+			return skeletonDelta;
+		}
+
+		void SetEffectiveBoneOffsetsTo (Vector2 displacementSkeletonSpace, Vector2 parentBoneScale) {
+			// Move top level bones in opposite direction of the root motion bone
+			var skeleton = skeletonComponent.Skeleton;
+			foreach (var topLevelBone in topLevelBones) {
+				if (topLevelBone == rootMotionBone) {
+					if (transformPositionX) topLevelBone.x = displacementSkeletonSpace.x / skeleton.ScaleX;
+					if (transformPositionY) topLevelBone.y = displacementSkeletonSpace.y / skeleton.ScaleY;
+				}
+				else {
+					float offsetX = (initialOffset.x - rootMotionBone.x) * parentBoneScale.x;
+					float offsetY = (initialOffset.y - rootMotionBone.y) * parentBoneScale.y;
+					if (transformPositionX) topLevelBone.x = (displacementSkeletonSpace.x / skeleton.ScaleX) + offsetX;
+					if (transformPositionY) topLevelBone.y = (displacementSkeletonSpace.y / skeleton.ScaleY) + offsetY;
+				}
+			}
+		}
+
+		void ClearEffectiveBoneOffsets (Vector2 parentBoneScale) {
+			SetEffectiveBoneOffsetsTo(Vector2.zero, parentBoneScale);
+		}
+	}
+}
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