Add another particle layout case I've seen

The triangulation seems to have been reversed on this fbx; unclear whether some other tool broke the fbx, but it's easy enough to support. Change-Id: Id000b015155f569cb16a4d9cbbf78d2432bfab3d
icosa-foundation · Jul 9, 2019 · 8f16ee4 · 8f16ee4
1 parent 5f30951
commit 8f16ee4
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/UnitySDK/Assets/TiltBrush/Scripts/Editor/ParticleMesh.cs b/UnitySDK/Assets/TiltBrush/Scripts/Editor/ParticleMesh.cs
@@ -134,6 +134,12 @@ internal QuadType ClassifyQuad(int iiVert, WarningCallback callback) {
          m_triangles[i+2] == v+2 &&
          m_triangles[i+3] == v+0 &&
          m_triangles[i+4] == v+2 &&
+         m_triangles[i+5] == v+3) ||
+        (m_triangles[i  ] == v   &&
+         m_triangles[i+1] == v+3 &&
+         m_triangles[i+2] == v+1 &&
+         m_triangles[i+3] == v+0 &&
+         m_triangles[i+4] == v+2 &&
          m_triangles[i+5] == v+3)) {
       if (m_lastMod == null || (v % 4) != m_lastMod.Value) {
         // if (m_lastMod != null) {