[unity] Fix generated rotated regions.

spine-unity/Assets/spine-unity/Modules/AttachmentTools/AttachmentTools.cs

@@ -371,9 +371,11 @@ namespace Spine.Unity.Modules.AttachmentTools {
 		public static Texture2D ToTexture (this AtlasRegion ar, bool applyImmediately = true, TextureFormat textureFormat = SpineTextureFormat, bool mipmaps = UseMipMaps) {
 			Texture2D sourceTexture = ar.GetMainTexture();
 			Rect r = ar.GetUnityRect(sourceTexture.height);
-			Texture2D output = new Texture2D((int)r.width, (int)r.height, textureFormat, mipmaps);
+			int width = (int)r.width;
+			int height = (int)r.height;
+			Texture2D output = new Texture2D(width, height, textureFormat, mipmaps);
 			output.name = ar.name;
-			Color[] pixelBuffer = sourceTexture.GetPixels((int)r.x, (int)r.y, (int)r.width, (int)r.height);
+			Color[] pixelBuffer = sourceTexture.GetPixels((int)r.x, (int)r.y, width, height);
 			output.SetPixels(pixelBuffer);
 
 			if (applyImmediately)
@@ -453,7 +455,17 @@ namespace Spine.Unity.Modules.AttachmentTools {
 		static AtlasRegion UVRectToAtlasRegion (Rect uvRect, string name, AtlasPage page, float offsetX, float offsetY, bool rotate) {			
 			var tr  = UVRectToTextureRect(uvRect, page.width, page.height);
 			var rr = tr.SpineUnityFlipRect(page.height);
-			int w = (int)rr.width, h = (int)rr.height, x = (int)rr.x, y = (int)rr.y;
+
+			int x = (int)rr.x, y = (int)rr.y;
+			int w, h;
+			if (rotate) {
+				w = (int)rr.height;
+				h = (int)rr.width;
+			} else {
+				w = (int)rr.width;
+				h = (int)rr.height;
+			}
+
 			return new AtlasRegion {
 				page = page,
 				name = name,