normal2d {affiner}R Documentation

2D normal vectors

Description

normal2d() is an S3 generic that computes a 2D normal vector.

Usage

normal2d(x, ...)

## S3 method for class 'Coord2D'
normal2d(x, ..., normalize = TRUE)

## S3 method for class 'Line2D'
normal2d(x, ..., normalize = TRUE)

Arguments

x

Object to compute a 2D normal vector for such as a Line2D object.

...

Passed to or from other methods.

normalize

If TRUE coerce to a normalize vector

Value

A Coord2D (normal) vector

Examples

  p <- as_coord2d(x = 2, y = 3)
  normal2d(p)
  normal2d(p, normalize = FALSE)

[Package affiner version 0.1.3 Index]