// Use this for initialization
void Start()
{
foreach (MeshFilter meshSource in meshSources)
{
Vector3[] verts = meshSource.mesh.vertices;
Vector3[] normals = meshSource.mesh.normals;
VertInfo[] vertInfo = new VertInfo[verts.Length];
for (int i = 0; i < verts.Length; i++)
{
vertInfo[i] = new VertInfo()
{
vert = verts[i],
origIndex = i,
normal = normals[i]
};
}
var groups = vertInfo.GroupBy(x => x.vert);
VertInfo[] processedVertInfo = new VertInfo[vertInfo.Length];
int index = 0;
foreach (IGrouping <Vector3, VertInfo> group in groups)
{
Vector3 avgNormal = zeroVec;
foreach (VertInfo item in group)
{
avgNormal += item.normal;
}
avgNormal = avgNormal / group.Count();
foreach (VertInfo item in group)
{
processedVertInfo[index] = new VertInfo()
{
vert = item.vert,
origIndex = item.origIndex,
normal = item.normal,
averagedNormal = avgNormal
};
index++;
}
}
Color[] colors = new Color[verts.Length];
for (int i = 0; i < processedVertInfo.Length; i++)
{
VertInfo info = processedVertInfo[i];
int origIndex = info.origIndex;
Vector3 normal = info.averagedNormal;
Color normColor = new Color(normal.x, normal.y, normal.z, 1);
colors[origIndex] = normColor;
}
meshSource.mesh.colors = colors;
}
}
private void ConvertMeshes(Transform a_meshObject)
{
// Check for object children, if so then convert their meshes too
if (a_meshObject.childCount > 0)
{
for (int i = 0; i < a_meshObject.childCount; ++i)
{
ConvertMeshes(a_meshObject.GetChild(i));
}
}
MeshFilter meshSource = a_meshObject.GetComponent <MeshFilter>();
// Early out if this object doesn't have a mesh filter
if (meshSource == null)
{
return;
}
m_objectCount++;
// Check if an object with the same model has already been converted
foreach (MeshFilter m in m_converted)
{
// If there is a model that has already been converted then set
// this meshfilter to the converted one
if (m.sharedMesh == meshSource.sharedMesh)
{
meshSource = m;
return;
}
}
Vector3[] verts = meshSource.sharedMesh.vertices;
Vector3[] normals = meshSource.sharedMesh.normals;
VertInfo[] vertInfo = new VertInfo[verts.Length];
for (int i = 0; i < verts.Length; i++)
{
vertInfo[i] = new VertInfo()
{
vert = verts[i],
origIndex = i,
normal = normals[i]
};
}
var groups = vertInfo.GroupBy(x => x.vert);
VertInfo[] processedVertInfo = new VertInfo[vertInfo.Length];
int index = 0;
foreach (IGrouping <Vector3, VertInfo> group in groups)
{
Vector3 avgNormal = zeroVec;
foreach (VertInfo item in group)
{
avgNormal += item.normal;
}
avgNormal = avgNormal / group.Count();
foreach (VertInfo item in group)
{
processedVertInfo[index] = new VertInfo()
{
vert = item.vert,
origIndex = item.origIndex,
normal = item.normal,
averagedNormal = avgNormal
};
index++;
}
}
Color[] colors = new Color[verts.Length];
for (int i = 0; i < processedVertInfo.Length; i++)
{
VertInfo info = processedVertInfo[i];
int origIndex = info.origIndex;
Vector3 normal = info.averagedNormal;
Color normColor = new Color(normal.x, normal.y, normal.z, 1);
colors[origIndex] = normColor;
}
meshSource.sharedMesh.colors = colors;
meshSource.sharedMesh.RecalculateNormals();
// Add the converted mesh to the converted list
m_converted.Add(meshSource);
}