public static Mesh FixMesh(Mesh originalMesh, Vector3 extents)
{
Bounds bounds = originalMesh.bounds;
Bounds fixBounds = new Bounds(bounds.center, extents * 2.0f);
Mesh fixVertices = HBUtils.BoundsToMesh(fixBounds);
CombineInstance fixInstance = new CombineInstance();
fixInstance.mesh = fixVertices;
fixInstance.subMeshIndex = 0;
fixInstance.transform = Matrix4x4.identity;
CombineInstance[] combineInstances = new CombineInstance[originalMesh.subMeshCount];
for (int i = 0; i < originalMesh.subMeshCount; ++i)
{
CombineInstance submeshInstance = new CombineInstance();
submeshInstance.mesh = Subdivider.ExtractSubmesh(originalMesh, i);
submeshInstance.transform = Matrix4x4.identity;
CombineInstance[] submeshInstances = new[] { fixInstance, submeshInstance };
Mesh fixedSubmesh = new Mesh();
fixedSubmesh.CombineMeshes(submeshInstances, true);
CombineInstance meshInstance = new CombineInstance();
meshInstance.mesh = fixedSubmesh;
meshInstance.transform = Matrix4x4.identity;
meshInstance.subMeshIndex = 0;
combineInstances[i] = meshInstance;
}
Mesh fixedMesh = new Mesh();
fixedMesh.CombineMeshes(combineInstances, false);
return(fixedMesh);
}
private static void Subdivide()
{
if (Application.isPlaying)
{
EditorUtility.DisplayDialog("Unable to Subdivide Mesh", "Application.isPlaying == true", "OK");
return;
}
foreach (Transform transform in Selection.transforms)
{
MeshFilter meshFilter = transform.GetComponent <MeshFilter>();
if (meshFilter == null)
{
Debug.LogWarning("Select object with MeshFilter component attached");
return;
}
if (meshFilter.sharedMesh == null)
{
Debug.LogError("meshFilter.sharedMesh is null");
return;
}
Undo.RecordObject(meshFilter, "Subdivide");
HBFixBounds hbFixBounds = transform.GetComponent <HBFixBounds>();
if (hbFixBounds == null)
{
Mesh mesh = Subdivider.Subdivide4(meshFilter.sharedMesh);
if (!meshFilter.sharedMesh.name.Contains("HBSubdivided"))
{
mesh.name = meshFilter.sharedMesh.name + " HBSubdivided";
}
else
{
mesh.name = meshFilter.sharedMesh.name;
}
meshFilter.sharedMesh = mesh;
}
else
{
if (hbFixBounds.OriginalMesh != meshFilter.sharedMesh)
{
hbFixBounds.Rollback();
}
Mesh mesh = Subdivider.Subdivide4(meshFilter.sharedMesh);
if (!hbFixBounds.OriginalMesh.name.Contains("HBSubdivided"))
{
mesh.name = hbFixBounds.OriginalMesh.name + " HBSubdivided";
}
else
{
mesh.name = hbFixBounds.OriginalMesh.name;
}
hbFixBounds.OriginalMesh = mesh;
hbFixBounds.FixBounds(false);
}
Undo.RecordObject(meshFilter, "Subdivide");
}
}