From 0a24fc576f5d540ca4235e9ab0bf70ac5d7c7031 Mon Sep 17 00:00:00 2001
From: Dgizusse <rej.rioux@gmail.com>
Date: Mon, 13 May 2013 19:04:31 -0400
Subject: [PATCH] - Recalculate normals only if required by the
 SpriteCollection.

---
 spine-tk2d/Code/tk2dSpineSkeleton.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/spine-tk2d/Code/tk2dSpineSkeleton.cs b/spine-tk2d/Code/tk2dSpineSkeleton.cs
index ba41a3c90..b0fb8f4e5 100644
--- a/spine-tk2d/Code/tk2dSpineSkeleton.cs
+++ b/spine-tk2d/Code/tk2dSpineSkeleton.cs
@@ -137,7 +137,10 @@ public class tk2dSpineSkeleton : MonoBehaviour, tk2dRuntime.ISpriteCollectionFor
 		mesh.colors = colors;
 		mesh.uv = uvs;
 		mesh.triangles = triangles;
-		mesh.RecalculateNormals();
+		
+		if (skeletonDataAsset.sprites.normalGenerationMode != tk2dSpriteCollection.NormalGenerationMode.None) {
+			mesh.RecalculateNormals();
+		}
 		
 		renderer.sharedMaterial = skeletonDataAsset.sprites.spriteCollection.inst.materials[0];
 	}