/// <summary>
/// Create triangles of hose mesh.
/// </summary>
/// <param name="isSeal">Is seal at both ends of hose?</param>
/// <returns>Triangles array.</returns>
protected int[] CreateTriangles(bool isSeal = false)
{
var triangles = MeshUtility.CreateTrianglesBasePrism(polygon, segmentCount, 0);
return(triangles.ToArray());
}