/// <summary>
/// Recalculates a mesh's normals while retaining smoothed common vertices.
/// </summary>
/// <param name="mesh"></param>
internal static void RecalculateNormals(PolyMesh mesh)
{
//null checks
if (mesh == null)
{
return;
}
int[][] smooth = GetSmoothSeamLookup(mesh);
mesh.RecalculateNormals();
if (smooth != null)
{
Vector3[] normals = mesh.normals;
for (int i = 0; i < smooth.Length; ++i)
{
int[] l = smooth[i];
Vector3 n = Math.Average(normals, l);
for (int j = 0; j < l.Length; ++j)
{
normals[l[j]] = n;
}
}
mesh.normals = normals;
}
}
/// <summary>
/// Recalculates a mesh's normals while retaining smoothed common vertices.
/// </summary>
/// <param name="mesh"></param>
internal static void RecalculateNormals(PolyMesh mesh)
{
//null checks
if (mesh == null)
{
return;
}
List <List <int> > smooth = GetSmoothSeamLookup(mesh);
mesh.RecalculateNormals();
if (smooth != null)
{
Vector3[] normals = mesh.normals;
foreach (List <int> l in smooth)
{
Vector3 n = PolyMath.Average(normals, l);
foreach (int i in l)
{
normals[i] = n;
}
}
mesh.normals = normals;
}
}
