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/******************************************************************************
* Spine Runtimes Software License v2.5
*
* Copyright (c) 2013-2016, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable, and
* non-transferable license to use, install, execute, and perform the Spine
* Runtimes software and derivative works solely for personal or internal
* use. Without the written permission of Esoteric Software (see Section 2 of
* the Spine Software License Agreement), you may not (a) modify, translate,
* adapt, or develop new applications using the Spine Runtimes or otherwise
* create derivative works or improvements of the Spine Runtimes or (b) remove,
* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
* or other intellectual property or proprietary rights notices on or in the
* Software, including any copy thereof. Redistributions in binary or source
* form must include this license and terms.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "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 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 THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
using UnityEngine;
namespace Spine.Unity {
public static class SkeletonExtensions {
#region Colors
const float ByteToFloat = 1f / 255f;
public static Color GetColor (this Skeleton s) { return new Color(s.r, s.g, s.b, s.a); }
public static Color GetColor (this RegionAttachment a) { return new Color(a.r, a.g, a.b, a.a); }
public static Color GetColor (this MeshAttachment a) { return new Color(a.r, a.g, a.b, a.a); }
public static Color GetColor (this Slot s) { return new Color(s.r, s.g, s.b, s.a); }
public static Color GetColorTintBlack (this Slot s) { return new Color(s.r2, s.g2, s.b2, 1f); }
public static void SetColor (this Skeleton skeleton, Color color) {
skeleton.A = color.a;
skeleton.R = color.r;
skeleton.G = color.g;
skeleton.B = color.b;
}
public static void SetColor (this Skeleton skeleton, Color32 color) {
skeleton.A = color.a * ByteToFloat;
skeleton.R = color.r * ByteToFloat;
skeleton.G = color.g * ByteToFloat;
skeleton.B = color.b * ByteToFloat;
}
public static void SetColor (this Slot slot, Color color) {
slot.A = color.a;
slot.R = color.r;
slot.G = color.g;
slot.B = color.b;
}
public static void SetColor (this Slot slot, Color32 color) {
slot.A = color.a * ByteToFloat;
slot.R = color.r * ByteToFloat;
slot.G = color.g * ByteToFloat;
slot.B = color.b * ByteToFloat;
}
public static void SetColor (this RegionAttachment attachment, Color color) {
attachment.A = color.a;
attachment.R = color.r;
attachment.G = color.g;
attachment.B = color.b;
}
public static void SetColor (this RegionAttachment attachment, Color32 color) {
attachment.A = color.a * ByteToFloat;
attachment.R = color.r * ByteToFloat;
attachment.G = color.g * ByteToFloat;
attachment.B = color.b * ByteToFloat;
}
public static void SetColor (this MeshAttachment attachment, Color color) {
attachment.A = color.a;
attachment.R = color.r;
attachment.G = color.g;
attachment.B = color.b;
}
public static void SetColor (this MeshAttachment attachment, Color32 color) {
attachment.A = color.a * ByteToFloat;
attachment.R = color.r * ByteToFloat;
attachment.G = color.g * ByteToFloat;
attachment.B = color.b * ByteToFloat;
}
#endregion
#region Bone
/// <summary>Sets the bone's (local) X and Y according to a Vector2</summary>
public static void SetPosition (this Bone bone, Vector2 position) {
bone.X = position.x;
bone.Y = position.y;
}
/// <summary>Sets the bone's (local) X and Y according to a Vector3. The z component is ignored.</summary>
public static void SetPosition (this Bone bone, Vector3 position) {
bone.X = position.x;
bone.Y = position.y;
}
/// <summary>Gets the bone's local X and Y as a Vector2.</summary>
public static Vector2 GetLocalPosition (this Bone bone) {
return new Vector2(bone.x, bone.y);
}
/// <summary>Gets the position of the bone in Skeleton-space.</summary>
public static Vector2 GetSkeletonSpacePosition (this Bone bone) {
return new Vector2(bone.worldX, bone.worldY);
}
/// <summary>Gets a local offset from the bone and converts it into Skeleton-space.</summary>
public static Vector2 GetSkeletonSpacePosition (this Bone bone, Vector2 boneLocal) {
Vector2 o;
bone.LocalToWorld(boneLocal.x, boneLocal.y, out o.x, out o.y);
return o;
}
/// <summary>Gets the bone's Unity World position using its Spine GameObject Transform. UpdateWorldTransform needs to have been called for this to return the correct, updated value.</summary>
public static Vector3 GetWorldPosition (this Bone bone, UnityEngine.Transform spineGameObjectTransform) {
return spineGameObjectTransform.TransformPoint(new Vector3(bone.worldX, bone.worldY));
}
public static Vector3 GetWorldPosition (this Bone bone, UnityEngine.Transform spineGameObjectTransform, float positionScale) {
return spineGameObjectTransform.TransformPoint(new Vector3(bone.worldX * positionScale, bone.worldY * positionScale));
}
/// <summary>Gets a skeleton space UnityEngine.Quaternion representation of bone.WorldRotationX.</summary>
public static Quaternion GetQuaternion (this Bone bone) {
var halfRotation = Mathf.Atan2(bone.c, bone.a) * 0.5f;
return new Quaternion(0, 0, Mathf.Sin(halfRotation), Mathf.Cos(halfRotation));
}
/// <summary>Gets a bone-local space UnityEngine.Quaternion representation of bone.rotation.</summary>
public static Quaternion GetLocalQuaternion (this Bone bone) {
var halfRotation = bone.rotation * Mathf.Deg2Rad * 0.5f;
return new Quaternion(0, 0, Mathf.Sin(halfRotation), Mathf.Cos(halfRotation));
}
/// <summary>Gets the internal bone matrix as a Unity bonespace-to-skeletonspace transformation matrix.</summary>
public static Matrix4x4 GetMatrix4x4 (this Bone bone) {
return new Matrix4x4 {
m00 = bone.a, m01 = bone.b, m03 = bone.worldX,
m10 = bone.c, m11 = bone.d, m13 = bone.worldY,
m33 = 1
};
}
/// <summary>Calculates a 2x2 Transformation Matrix that can convert a skeleton-space position to a bone-local position.</summary>
public static void GetWorldToLocalMatrix (this Bone bone, out float ia, out float ib, out float ic, out float id) {
float a = bone.a, b = bone.b, c = bone.c, d = bone.d;
float invDet = 1 / (a * d - b * c);
ia = invDet * d;
ib = invDet * -b;
ic = invDet * -c;
id = invDet * a;
}
/// <summary>UnityEngine.Vector2 override of Bone.WorldToLocal. This converts a skeleton-space position into a bone local position.</summary>
public static Vector2 WorldToLocal (this Bone bone, Vector2 worldPosition) {
Vector2 o;
bone.WorldToLocal(worldPosition.x, worldPosition.y, out o.x, out o.y);
return o;
}
/// <summary>Sets the skeleton-space position of a bone.</summary>
/// <returns>The local position in its parent bone space, or in skeleton space if it is the root bone.</returns>
public static Vector2 SetPositionSkeletonSpace (this Bone bone, Vector2 skeletonSpacePosition) {
if (bone.parent == null) { // root bone
bone.SetPosition(skeletonSpacePosition);
return skeletonSpacePosition;
} else {
var parent = bone.parent;
Vector2 parentLocal = parent.WorldToLocal(skeletonSpacePosition);
bone.SetPosition(parentLocal);
return parentLocal;
}
}
#endregion
#region Attachments
public static Material GetMaterial (this Attachment a) {
object rendererObject = null;
var renderableAttachment = a as IHasRendererObject;
if (renderableAttachment != null) {
rendererObject = renderableAttachment.RendererObject;
}
if (rendererObject == null)
return null;
#if SPINE_TK2D
return (rendererObject.GetType() == typeof(Material)) ? (Material)rendererObject : (Material)((AtlasRegion)rendererObject).page.rendererObject;
#else
return (Material)((AtlasRegion)rendererObject).page.rendererObject;
#endif
}
/// <summary>Fills a Vector2 buffer with local vertices.</summary>
/// <param name="va">The VertexAttachment</param>
/// <param name="slot">Slot where the attachment belongs.</param>
/// <param name="buffer">Correctly-sized buffer. Use attachment's .WorldVerticesLength to get the correct size. If null, a new Vector2[] of the correct size will be allocated.</param>
public static Vector2[] GetLocalVertices (this VertexAttachment va, Slot slot, Vector2[] buffer) {
int floatsCount = va.worldVerticesLength;
int bufferTargetSize = floatsCount >> 1;
buffer = buffer ?? new Vector2[bufferTargetSize];
if (buffer.Length < bufferTargetSize) throw new System.ArgumentException(string.Format("Vector2 buffer too small. {0} requires an array of size {1}. Use the attachment's .WorldVerticesLength to get the correct size.", va.Name, floatsCount), "buffer");
if (va.bones == null) {
var localVerts = va.vertices;
for (int i = 0; i < bufferTargetSize; i++) {
int j = i * 2;
buffer[i] = new Vector2(localVerts[j], localVerts[j+1]);
}
} else {
var floats = new float[floatsCount];
va.ComputeWorldVertices(slot, floats);
Bone sb = slot.bone;
float ia, ib, ic, id, bwx = sb.worldX, bwy = sb.worldY;
sb.GetWorldToLocalMatrix(out ia, out ib, out ic, out id);
for (int i = 0; i < bufferTargetSize; i++) {
int j = i * 2;
float x = floats[j] - bwx, y = floats[j+1] - bwy;
buffer[i] = new Vector2(x * ia + y * ib, x * ic + y * id);
}
}
return buffer;
}
/// <summary>Calculates world vertices and fills a Vector2 buffer.</summary>
/// <param name="a">The VertexAttachment</param>
/// <param name="slot">Slot where the attachment belongs.</param>
/// <param name="buffer">Correctly-sized buffer. Use attachment's .WorldVerticesLength to get the correct size. If null, a new Vector2[] of the correct size will be allocated.</param>
public static Vector2[] GetWorldVertices (this VertexAttachment a, Slot slot, Vector2[] buffer) {
int worldVertsLength = a.worldVerticesLength;
int bufferTargetSize = worldVertsLength >> 1;
buffer = buffer ?? new Vector2[bufferTargetSize];
if (buffer.Length < bufferTargetSize) throw new System.ArgumentException(string.Format("Vector2 buffer too small. {0} requires an array of size {1}. Use the attachment's .WorldVerticesLength to get the correct size.", a.Name, worldVertsLength), "buffer");
var floats = new float[worldVertsLength];
a.ComputeWorldVertices(slot, floats);
for (int i = 0, n = worldVertsLength >> 1; i < n; i++) {
int j = i * 2;
buffer[i] = new Vector2(floats[j], floats[j + 1]);
}
return buffer;
}
/// <summary>Gets the PointAttachment's Unity World position using its Spine GameObject Transform.</summary>
public static Vector3 GetWorldPosition (this PointAttachment attachment, Slot slot, Transform spineGameObjectTransform) {
Vector3 skeletonSpacePosition;
skeletonSpacePosition.z = 0;
attachment.ComputeWorldPosition(slot.bone, out skeletonSpacePosition.x, out skeletonSpacePosition.y);
return spineGameObjectTransform.TransformPoint(skeletonSpacePosition);
}
/// <summary>Gets the PointAttachment's Unity World position using its Spine GameObject Transform.</summary>
public static Vector3 GetWorldPosition (this PointAttachment attachment, Bone bone, Transform spineGameObjectTransform) {
Vector3 skeletonSpacePosition;
skeletonSpacePosition.z = 0;
attachment.ComputeWorldPosition(bone, out skeletonSpacePosition.x, out skeletonSpacePosition.y);
return spineGameObjectTransform.TransformPoint(skeletonSpacePosition);
}
#endregion
}
}
namespace Spine {
using System;
using System.Collections.Generic;
public struct BoneMatrix {
public float a, b, c, d, x, y;
/// <summary>Recursively calculates a worldspace bone matrix based on BoneData.</summary>
public static BoneMatrix CalculateSetupWorld (BoneData boneData) {
if (boneData == null)
return default(BoneMatrix);
// End condition: isRootBone
if (boneData.parent == null)
return GetInheritedInternal(boneData, default(BoneMatrix));
BoneMatrix result = CalculateSetupWorld(boneData.parent);
return GetInheritedInternal(boneData, result);
}
static BoneMatrix GetInheritedInternal (BoneData boneData, BoneMatrix parentMatrix) {
var parent = boneData.parent;
if (parent == null) return new BoneMatrix(boneData); // isRootBone
float pa = parentMatrix.a, pb = parentMatrix.b, pc = parentMatrix.c, pd = parentMatrix.d;
BoneMatrix result = default(BoneMatrix);
result.x = pa * boneData.x + pb * boneData.y + parentMatrix.x;
result.y = pc * boneData.x + pd * boneData.y + parentMatrix.y;
switch (boneData.transformMode) {
case TransformMode.Normal: {
float rotationY = boneData.rotation + 90 + boneData.shearY;
float la = MathUtils.CosDeg(boneData.rotation + boneData.shearX) * boneData.scaleX;
float lb = MathUtils.CosDeg(rotationY) * boneData.scaleY;
float lc = MathUtils.SinDeg(boneData.rotation + boneData.shearX) * boneData.scaleX;
float ld = MathUtils.SinDeg(rotationY) * boneData.scaleY;
result.a = pa * la + pb * lc;
result.b = pa * lb + pb * ld;
result.c = pc * la + pd * lc;
result.d = pc * lb + pd * ld;
break;
}
case TransformMode.OnlyTranslation: {
float rotationY = boneData.rotation + 90 + boneData.shearY;
result.a = MathUtils.CosDeg(boneData.rotation + boneData.shearX) * boneData.scaleX;
result.b = MathUtils.CosDeg(rotationY) * boneData.scaleY;
result.c = MathUtils.SinDeg(boneData.rotation + boneData.shearX) * boneData.scaleX;
result.d = MathUtils.SinDeg(rotationY) * boneData.scaleY;
break;
}
case TransformMode.NoRotationOrReflection: {
float s = pa * pa + pc * pc, prx;
if (s > 0.0001f) {
s = Math.Abs(pa * pd - pb * pc) / s;
pb = pc * s;
pd = pa * s;
prx = MathUtils.Atan2(pc, pa) * MathUtils.RadDeg;
} else {
pa = 0;
pc = 0;
prx = 90 - MathUtils.Atan2(pd, pb) * MathUtils.RadDeg;
}
float rx = boneData.rotation + boneData.shearX - prx;
float ry = boneData.rotation + boneData.shearY - prx + 90;
float la = MathUtils.CosDeg(rx) * boneData.scaleX;
float lb = MathUtils.CosDeg(ry) * boneData.scaleY;
float lc = MathUtils.SinDeg(rx) * boneData.scaleX;
float ld = MathUtils.SinDeg(ry) * boneData.scaleY;
result.a = pa * la - pb * lc;
result.b = pa * lb - pb * ld;
result.c = pc * la + pd * lc;
result.d = pc * lb + pd * ld;
break;
}
case TransformMode.NoScale:
case TransformMode.NoScaleOrReflection: {
float cos = MathUtils.CosDeg(boneData.rotation), sin = MathUtils.SinDeg(boneData.rotation);
float za = pa * cos + pb * sin;
float zc = pc * cos + pd * sin;
float s = (float)Math.Sqrt(za * za + zc * zc);
if (s > 0.00001f)
s = 1 / s;
za *= s;
zc *= s;
s = (float)Math.Sqrt(za * za + zc * zc);
float r = MathUtils.PI / 2 + MathUtils.Atan2(zc, za);
float zb = MathUtils.Cos(r) * s;
float zd = MathUtils.Sin(r) * s;
float la = MathUtils.CosDeg(boneData.shearX) * boneData.scaleX;
float lb = MathUtils.CosDeg(90 + boneData.shearY) * boneData.scaleY;
float lc = MathUtils.SinDeg(boneData.shearX) * boneData.scaleX;
float ld = MathUtils.SinDeg(90 + boneData.shearY) * boneData.scaleY;
if (boneData.transformMode != TransformMode.NoScaleOrReflection ? pa * pd - pb * pc < 0 : false) {
zb = -zb;
zd = -zd;
}
result.a = za * la + zb * lc;
result.b = za * lb + zb * ld;
result.c = zc * la + zd * lc;
result.d = zc * lb + zd * ld;
break;
}
}
return result;
}
/// <summary>Constructor for a local bone matrix based on Setup Pose BoneData.</summary>
public BoneMatrix (BoneData boneData) {
float rotationY = boneData.rotation + 90 + boneData.shearY;
float rotationX = boneData.rotation + boneData.shearX;
a = MathUtils.CosDeg(rotationX) * boneData.scaleX;
c = MathUtils.SinDeg(rotationX) * boneData.scaleX;
b = MathUtils.CosDeg(rotationY) * boneData.scaleY;
d = MathUtils.SinDeg(rotationY) * boneData.scaleY;
x = boneData.x;
y = boneData.y;
}
/// <summary>Constructor for a local bone matrix based on a bone instance's current pose.</summary>
public BoneMatrix (Bone bone) {
float rotationY = bone.rotation + 90 + bone.shearY;
float rotationX = bone.rotation + bone.shearX;
a = MathUtils.CosDeg(rotationX) * bone.scaleX;
c = MathUtils.SinDeg(rotationX) * bone.scaleX;
b = MathUtils.CosDeg(rotationY) * bone.scaleY;
d = MathUtils.SinDeg(rotationY) * bone.scaleY;
x = bone.x;
y = bone.y;
}
public BoneMatrix TransformMatrix (BoneMatrix local) {
return new BoneMatrix {
a = this.a * local.a + this.b * local.c,
b = this.a * local.b + this.b * local.d,
c = this.c * local.a + this.d * local.c,
d = this.c * local.b + this.d * local.d,
x = this.a * local.x + this.b * local.y + this.x,
y = this.c * local.x + this.d * local.y + this.y
};
}
}
public static class SkeletonExtensions {
public static bool IsWeighted (this VertexAttachment va) {
return va.bones != null && va.bones.Length > 0;
}
public static bool IsRenderable (this Attachment a) {
return a is IHasRendererObject;
}
#region Transform Modes
public static bool InheritsRotation (this TransformMode mode) {
const int RotationBit = 0;
return ((int)mode & (1U << RotationBit)) == 0;
}
public static bool InheritsScale (this TransformMode mode) {
const int ScaleBit = 1;
return ((int)mode & (1U << ScaleBit)) == 0;
}
#endregion
#region Posing
internal static void SetPropertyToSetupPose (this Skeleton skeleton, int propertyID) {
int tt = propertyID >> 24;
var timelineType = (TimelineType)tt;
int i = propertyID - (tt << 24);
Bone bone;
IkConstraint ikc;
PathConstraint pc;
switch (timelineType) {
// Bone
case TimelineType.Rotate:
bone = skeleton.bones.Items[i];
bone.rotation = bone.data.rotation;
break;
case TimelineType.Translate:
bone = skeleton.bones.Items[i];
bone.x = bone.data.x;
bone.y = bone.data.y;
break;
case TimelineType.Scale:
bone = skeleton.bones.Items[i];
bone.scaleX = bone.data.scaleX;
bone.scaleY = bone.data.scaleY;
break;
case TimelineType.Shear:
bone = skeleton.bones.Items[i];
bone.shearX = bone.data.shearX;
bone.shearY = bone.data.shearY;
break;
// Slot
case TimelineType.Attachment:
skeleton.SetSlotAttachmentToSetupPose(i);
break;
case TimelineType.Color:
skeleton.slots.Items[i].SetColorToSetupPose();
break;
case TimelineType.TwoColor:
skeleton.slots.Items[i].SetColorToSetupPose();
break;
case TimelineType.Deform:
skeleton.slots.Items[i].attachmentVertices.Clear();
break;
// Skeleton
case TimelineType.DrawOrder:
skeleton.SetDrawOrderToSetupPose();
break;
// IK Constraint
case TimelineType.IkConstraint:
ikc = skeleton.ikConstraints.Items[i];
ikc.mix = ikc.data.mix;
ikc.bendDirection = ikc.data.bendDirection;
break;
// TransformConstraint
case TimelineType.TransformConstraint:
var tc = skeleton.transformConstraints.Items[i];
var tcData = tc.data;
tc.rotateMix = tcData.rotateMix;
tc.translateMix = tcData.translateMix;
tc.scaleMix = tcData.scaleMix;
tc.shearMix = tcData.shearMix;
break;
// Path Constraint
case TimelineType.PathConstraintPosition:
pc = skeleton.pathConstraints.Items[i];
pc.position = pc.data.position;
break;
case TimelineType.PathConstraintSpacing:
pc = skeleton.pathConstraints.Items[i];
pc.spacing = pc.data.spacing;
break;
case TimelineType.PathConstraintMix:
pc = skeleton.pathConstraints.Items[i];
pc.rotateMix = pc.data.rotateMix;
pc.translateMix = pc.data.translateMix;
break;
}
}
/// <summary>Resets the DrawOrder to the Setup Pose's draw order</summary>
public static void SetDrawOrderToSetupPose (this Skeleton skeleton) {
var slotsItems = skeleton.slots.Items;
int n = skeleton.slots.Count;
var drawOrder = skeleton.drawOrder;
drawOrder.Clear(false);
drawOrder.GrowIfNeeded(n);
System.Array.Copy(slotsItems, drawOrder.Items, n);
}
/// <summary>Resets the color of a slot to Setup Pose value.</summary>
public static void SetColorToSetupPose (this Slot slot) {
slot.r = slot.data.r;
slot.g = slot.data.g;
slot.b = slot.data.b;
slot.a = slot.data.a;
slot.r2 = slot.data.r2;
slot.g2 = slot.data.g2;
slot.b2 = slot.data.b2;
}
/// <summary>Sets a slot's attachment to setup pose. If you have the slotIndex, Skeleton.SetSlotAttachmentToSetupPose is faster.</summary>
public static void SetAttachmentToSetupPose (this Slot slot) {
var slotData = slot.data;
slot.Attachment = slot.bone.skeleton.GetAttachment(slotData.name, slotData.attachmentName);
}
/// <summary>Resets the attachment of slot at a given slotIndex to setup pose. This is faster than Slot.SetAttachmentToSetupPose.</summary>
public static void SetSlotAttachmentToSetupPose (this Skeleton skeleton, int slotIndex) {
var slot = skeleton.slots.Items[slotIndex];
var attachmentName = slot.data.attachmentName;
if (string.IsNullOrEmpty(attachmentName)) {
slot.Attachment = null;
} else {
var attachment = skeleton.GetAttachment(slotIndex, attachmentName);
slot.Attachment = attachment;
}
}
/// <summary>
/// Shortcut for posing a skeleton at a specific time. Time is in seconds. (frameNumber / 30f) will give you seconds.
/// If you need to do this often, you should get the Animation object yourself using skeleton.data.FindAnimation. and call Apply on that.</summary>
/// <param name = "skeleton">The skeleton to pose.</param>
/// <param name="animationName">The name of the animation to use.</param>
/// <param name = "time">The time of the pose within the animation.</param>
/// <param name = "loop">Wraps the time around if it is longer than the duration of the animation.</param>
public static void PoseWithAnimation (this Skeleton skeleton, string animationName, float time, bool loop = false) {
// Fail loud when skeleton.data is null.
Spine.Animation animation = skeleton.data.FindAnimation(animationName);
if (animation == null) return;
animation.Apply(skeleton, 0, time, loop, null, 1f, MixPose.Setup, MixDirection.In);
}
/// <summary>Pose a skeleton according to a given time in an animation.</summary>
public static void PoseSkeleton (this Animation animation, Skeleton skeleton, float time, bool loop = false) {
animation.Apply(skeleton, 0, time, loop, null, 1f, MixPose.Setup, MixDirection.In);
}
/// <summary>Resets Skeleton parts to Setup Pose according to a Spine.Animation's keyed items.</summary>
public static void SetKeyedItemsToSetupPose (this Animation animation, Skeleton skeleton) {
animation.Apply(skeleton, 0, 0, false, null, 0, MixPose.Setup, MixDirection.Out);
}
#endregion
#region Skins
/// <summary><see cref="Spine.Skin.FindNamesForSlot(int,List)"/></summary>
public static void FindNamesForSlot (this Skin skin, string slotName, SkeletonData skeletonData, List<string> results) {
int slotIndex = skeletonData.FindSlotIndex(slotName);
skin.FindNamesForSlot(slotIndex, results);
}
/// <summary><see cref="Spine.Skin.FindAttachmentsForSlot(int,List)"/></summary>
public static void FindAttachmentsForSlot (this Skin skin, string slotName, SkeletonData skeletonData, List<Attachment> results) {
int slotIndex = skeletonData.FindSlotIndex(slotName);
skin.FindAttachmentsForSlot(slotIndex, results);
}
#endregion
}
}