Merge pull request EsotericSoftware#46 from Dgizusse/master

Small fix and optimization when updating the mesh.
rueshyna · May 15, 2013 · 78d687e · 78d687e
2 parents 27d6766 + 99c8efb
commit 78d687e
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/spine-tk2d/Code/tk2dSpineSkeleton.cs b/spine-tk2d/Code/tk2dSpineSkeleton.cs
@@ -131,11 +131,24 @@ private void UpdateMesh() {
 			}
 		}
 
+		mesh.Clear();
+
 		mesh.vertices = vertices;
 		mesh.colors = colors;
 		mesh.uv = uvs;
 		mesh.triangles = triangles;
-		mesh.RecalculateNormals();
+
+		if (skeletonDataAsset.sprites.normalGenerationMode != tk2dSpriteCollection.NormalGenerationMode.None) {
+			mesh.RecalculateNormals();
+
+			if (skeletonDataAsset.sprites.normalGenerationMode == tk2dSpriteCollection.NormalGenerationMode.NormalsAndTangents) {
+				Vector4[] tangents = new Vector4[mesh.normals.Length];
+				for (int t = 0; t < tangents.Length; ++t) {
+					tangents[t] = new Vector4(1, 0, 0, 1);
+				}
+				mesh.tangents = tangents;
+			}
+		}
 
 		renderer.sharedMaterial = skeletonDataAsset.sprites.spriteCollection.inst.materials[0];
 	}