public static Vector4FArrayList CreateRandomVector4FArray(int count, IFloatRandomNumberGenerator r)
 {
     Vector4FArrayList result  = new Vector4FArrayList(count);
     for(int i = 0; i < count; i++)
     {
         result.Add(new Vector4F(r.NextFloat(),r.NextFloat(), r.NextFloat(),r.NextFloat()));
     }
     return result;
 }
 /// <summary>
 /// Transform the vectors in the given array and put the result in another array.
 /// </summary>
 /// <param name="vectors">An array of vectors to transform.</param>
 /// <param name="transformation">The transformation.</param>
 /// <param name="result">An array of vectors to put the transformation results in (should be empty).</param>
 public static void TransformArray(Vector4FArrayList vectors, Matrix4F transformation, Vector4FArrayList result)
 {
     for (int i = 0; i < vectors.Count; i++)
     {
         result.Add(transformation * vectors[i]);
     }
 }