void InitColors(PaintJob j)
{
Color[] colors = j.stream.colors;
if (colors == null || colors.Length != j.verts.Length)
{
Color[] orig = j.meshFilter.sharedMesh.colors;
if (j.meshFilter.sharedMesh.colors != null && j.meshFilter.sharedMesh.colors.Length > 0)
{
j.stream.colors = orig;
}
else
{
j.stream.SetColor(Color.white, j.verts.Length);
}
}
}