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kld-affine

A collection of classes used in affine geometry


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kld-affine

A collection of classes used in affine geometry. This currently consists of the following:

  • Point2D
  • Vector2D
  • Matrix2D

These have been extracted from kld-intersections so they can stand alone. As such, there are some parts of the API that I want to remove, but I will need to update kld-intersections before being able to do that. Specifically, I would like to remove all self-mutable methods in preference of a more functional approach that creates a new instance with each modification.

Install

npm install kld-affine

Point2D

A class used to represent two-dimensional points on a plane. This currently supports the following methods:

  • clone
  • add
  • addEquals - deprecated
  • rmoveTo - deprecated
  • scalarAdd
  • scalarAddEquals - deprecated
  • subtract
  • subtractEquals - deprecated
  • scalarSubtract
  • scalarSubtractEquals - deprecated
  • multiply
  • multiplyEquals - deprecated
  • divide
  • divideEquals - deprecated
  • compare
  • equals
  • lerp
  • distanceFrom
  • min
  • max
  • toString
  • setXY - deprecated
  • setFromPoint - deprecated
  • swap - deprecated

Vector2D

A class used to represent a two-dimensional vector. This currently supports the following methods:

  • length
  • dot
  • cross
  • unit
  • unitEquals - deprecated
  • add
  • addEquals - deprecated
  • subtract
  • subtractEquals - deprecated
  • multiply
  • multiplyEquals - deprecated
  • divide
  • divideEquals - deprecated
  • perp
  • perpendicular
  • project
  • equals
  • toString
  • Vector2D.fromPoints

Matrix2D

A class used to represent affine transformations. This current supports the following methods:

  • multiply
  • inverse
  • translate
  • scale
  • scaleNonUniform
  • rotate
  • rotateFromVector
  • flipX
  • flipY
  • skewX
  • skewY
  • equals
  • toString

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Package last updated on 15 Nov 2013

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