Generate a cylinder mesh — generate

Creates a cylinder from start to end with the given radius, subdivided into segments around the axis. Both end caps are included unless caps = FALSE is passed.

Usage

generate_cylinder(
  start,
  end,
  radius = 0.5,
  segments = 32,
  color = c(1, 1, 1, 1),
  caps = TRUE
)

Arguments

start: Length-3 vector: cylinder start point.
end: Length-3 vector: cylinder end point.
radius: Cylinder radius.
segments: Subdivision count (default 32).
color: Length-4 RGBA colour.
caps: Whether to close both ends with caps (default TRUE). Pass FALSE for an open tube, which roughly halves the number of vertices and triangles. Useful for edges whose ends are hidden by other geometry.

Value

A mesh descriptor list.

Examples

mesh <- generate_cylinder(c(0, -1, 0), c(0, 1, 0), radius = 0.5)
nrow(mesh$vertices)
#> [1] 130
open <- generate_cylinder(c(0, -1, 0), c(0, 1, 0), radius = 0.5, caps = FALSE)
nrow(open$vertices)
#> [1] 64