public void ChangeRandom()
{
Mesh clonedMesh = MeshUtility.CloneMesh(originalMesh);
//set submesh triangles or texture gets all screwed up
for (int i = 0; i < clonedMesh.subMeshCount; i++)
{
clonedMesh.SetTriangles(originalMesh.GetTriangles(i), i);
}
//set submesh triangles or texture gets all screwed up
for (int i = 0; i < clonedMesh.subMeshCount; i++)
{
clonedMesh.SetTriangles(originalMesh.GetTriangles(i), i);
}
//dont always change just in case it matters
if (Random.Range(0, 7) < 4)
{
//get current verts
List <Vector3> tempVerts = new List <Vector3>();
clonedMesh.GetVertices(tempVerts);
List <Vector3> relatedVerts = tempVerts.GroupBy(x => x)
.Where(g => g.Count() > 1)
.Select(y => y.Key)
.ToList();
foreach (Vector3 vert in relatedVerts)
{
Vector3 currVert = vert;
currVert.x += Random.Range(0f, range);
currVert.y += Random.Range(0f, range);
currVert.z += Random.Range(0f, range);
//replace all similar verts with updated random position
for (int i = 0; i < tempVerts.Count; i++)
{
if (tempVerts[i] == vert)
{
tempVerts[i] = currVert;
}
}
}
clonedMesh.SetVertices(tempVerts);
}
clonedMesh.RecalculateBounds();
clonedMesh.RecalculateNormals();
clonedMesh.RecalculateTangents();
MeshUtility.SetMesh(transform, clonedMesh);
}