/// <summary>
/// Create triangles of hose side mesh.
/// </summary>
/// <returns></returns>
protected int[] CreateSideTriangles()
{
var polygonVertices = polygon + 1;
var leftCenter = polygonVertices * segmentCount;
var triangles = MeshUtility.CreateTrianglesBasePolygon(polygon, leftCenter, leftCenter + 1, false);
var rightCenter = leftCenter + polygonVertices + 1;
triangles.AddRange(MeshUtility.CreateTrianglesBasePolygon(polygon, rightCenter, rightCenter + 1));
return(triangles.ToArray());
}