private void AddSplineShape()
    {
        var points = new[]
        {
            new Vector2(9, -1),
            new Vector2(8, -1),
            new Vector2(8, -2),
            new Vector2(8.8f, -3),
            new Vector2(8.4f, -1.5f),
        };

        SplineShapeMesh splineShape = SplineShapeMesh.AddSplineShape(Vector3.zero, points, 0.2f, null);

        splineShape.GetComponent <MeshRenderer>().material.color = Color.red;
    }