public void Update(int slices, VBOManager VBOManager)
 {
     int counter = 0;
     foreach (Bucket b in VBOManager.buckets)
     {
         counter += b.Lines.Count;
         if (b.Modified)
             UpdateBucket(b, slices);
     }
 }
 public void BuildCompleteMesh(int slices, VBOManager manager)
 {
     foreach (Bucket b in manager.buckets)
         UpdateBucket(b, slices);
 }