[unity] SkeletonUtility replace flip with scale.

spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonExtensions.cs

@@ -98,6 +98,27 @@ namespace Spine.Unity {
 		}
 		#endregion
 
+		#region Skeleton
+		/// <summary>Sets the Skeleton's local scale using a UnityEngine.Vector2. If only individual components need to be set, set Skeleton.ScaleX or Skeleton.ScaleY.</summary>
+		public static void SetLocalScale (this Skeleton skeleton, Vector2 scale) {
+			skeleton.scaleX = scale.x;
+			skeleton.scaleY = scale.y;
+		}
+
+		/// <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
+			};
+		}
+		#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) {
@@ -149,13 +170,9 @@ namespace Spine.Unity {
 			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>Returns the Skeleton's local scale as a UnityEngine.Vector2. If only individual components are needed, use Skeleton.ScaleX or Skeleton.ScaleY.</summary>
+		public static Vector2 GetLocalScale (this Skeleton skeleton) {
+			return new Vector2(skeleton.scaleX, skeleton.scaleY);
 		}
 
 		/// <summary>Calculates a 2x2 Transformation Matrix that can convert a skeleton-space position to a bone-local position.</summary>

spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonUtility/SkeletonUtility.cs

@@ -103,6 +103,7 @@ namespace Spine.Unity {
 			int floatCount = floats.Length;
 
 			Bounds bounds = new Bounds();
+
 			bounds.center = new Vector3(floats[0], floats[1], 0);
 			for (int i = 2; i < floatCount; i += 2)
 				bounds.Encapsulate(new Vector3(floats[i], floats[i + 1], 0));
@@ -122,14 +123,7 @@ namespace Spine.Unity {
 		void Update () {
 			var skeleton = skeletonRenderer.skeleton;
 			if (boneRoot != null && skeleton != null) {
-				Vector3 flipScale = Vector3.one;
-				if (skeleton.scaleX < 0)
-					flipScale.x = -1;
-
-				if (skeleton.scaleY < 0)
-					flipScale.y = -1;
-
-				boneRoot.localScale = flipScale;
+				boneRoot.localScale = new Vector3(skeleton.scaleX, skeleton.scaleY, 1f);
 			}
 		}