public static Shape CylinderR(int n, double lineLn = 1, double lineR = 0.1, int m = 2) =>
(
(Surfaces.Cylinder(n, m) +
Surfaces.Circle(n, 2) +
Surfaces.CircleM(n, 2).Move(0, 0, m - 1))
.Scale(lineR, lineR, lineLn / (m - 1))
).Normalize();
public static Shape ArrowR(int n,
double lineLn = 1, double lineR = 0.01,
double arrowLn = 0.05, double arrowR = 0.02) =>
(
(
(Surfaces.Cylinder(n, 2) + Surfaces.Circle(n, 2)).Scale(lineR, lineR, lineLn) +
(Surfaces.Circle(n, 2) + Surfaces.ConeM(n, 2).Move(0, 0, 1)).Scale(arrowR, arrowR, arrowLn).Move(0, 0, lineLn)
)
).Normalize();
