25.13.2 Half-cones
The
half_cone
command creates half-cones.
half_cone
takes three arguments:
A
, a point.
v
, a direction vector.
θ, a real number.
half_cone(
A
,
v
,θ
)
returns and draws the half cone with vertex
A
, opening in the direction
v
with an aperture of 2θ.
Example
half_cone
([0,1,0],[0,0,1],
pi
/3)