bool CloneAndSaveMesh()
{
bool cloned = _meshFilter.CloneAndSaveMesh(SaveMeshToFbxFolder);
SelectMesh();
return(cloned);
}
public static bool Freeze(this Transform transform, Vector3 position, Quaternion rotation, Vector3 scale,
bool saveToFBX)
{
MeshFilter filter = transform.GetComponent <MeshFilter>();
Mesh mesh = filter != null ? filter.sharedMesh : null;
Collider collider = transform.GetComponent <Collider>();
PropertyInfo colliderCenterProperty = collider.GetType().GetProperty("center");
Vector3 initialColliderCenter = Vector3.zero;
Vector3 initialPos = Vector3.zero;
if (colliderCenterProperty != null)
{
initialColliderCenter = (Vector3)colliderCenterProperty.GetValue(collider, null);
initialPos = transform.position;
}
Transform[] children = new Transform[transform.childCount];
// remove children so they don't move along
for (int i = 0; i < children.Length; i++)
{
children[i] = transform.GetChild(i);
}
for (int i = 0; i < children.Length; i++)
{
children[i].parent = null;
}
Vector3[] worldVertices = null;
Vector3[] worldNormals = null;
if (mesh)
{
worldVertices = mesh.vertices.Select(v => transform.TransformPoint(v)).ToArray();
worldNormals = mesh.normals.Select(v => transform.TransformDirection(v)).ToArray();
string path = AssetDatabase.GetAssetPath(mesh);
if (!path.EndsWith(".asset") && !string.IsNullOrEmpty(path))
{
bool cloned = filter.CloneAndSaveMesh(saveToFBX);
mesh = filter.sharedMesh;
if (!cloned)
{
return(false);
}
}
}
transform.position = position;
transform.rotation = rotation;
transform.localScale = scale;
if (mesh)
{
Vector3[] vertices = worldVertices.Select(v => transform.InverseTransformPoint(v)).ToArray();
Vector3[] normals = worldNormals.Select(v => transform.InverseTransformDirection(v)).ToArray();
mesh.vertices = vertices;
mesh.normals = normals;
mesh.RecalculateBounds();
}
if (collider)
{
if (collider is MeshCollider)
{
MeshCollider m = collider as MeshCollider;
m.sharedMesh = mesh;
m.convex = !m.convex;
m.convex = !m.convex;
}
if (colliderCenterProperty != null)
{
colliderCenterProperty.SetValue(collider,
initialColliderCenter + (initialPos - transform.position), null);
}
}
// re add children
for (int i = 0; i < children.Length; i++)
{
children[i].parent = transform;
}
return(true);
}