/// <summary>
/// Converts the first column of a matrix into a vertex.
/// </summary>
/// <param name="matrix">The matrix to convert.</param>
/// <returns>A vertex version of the first column of the matrix.</returns>
public static Vertex MatrixToVertex(Matrix matrix)
{
return new Vertex(matrix[0, 0], matrix[1, 0], matrix[2, 0], matrix[3, 0]);
}
/// <summary>
/// Converts a vertex into a 4-hight, 1-width matrix.
/// </summary>
/// <param name="vertex">The vertex to convert</param>
/// <returns>A Matrix[4, 1] version of the vertex.</returns>
public static Matrix VertexToMatrix(Vertex vertex)
{
var matrix = new Matrix(4, 1);
matrix[0, 0] = vertex.X;
matrix[1, 0] = vertex.Y;
matrix[2, 0] = vertex.Z;
matrix[3, 0] = vertex.W;
return matrix;
}