Skip to content

Latest commit

 

History

History
executable file
·
81 lines (50 loc) · 1.28 KB

Parabola.md

File metadata and controls

executable file
·
81 lines (50 loc) · 1.28 KB

Parabola

public struct Parabola

Initializers

init(focus:directrixY:)

Constructor that defines parabola by the focus and the directrix that is Parallel to X-axis!

public init(focus: Site, directrixY: Double)

Parameters

  • focus: - focus: Parabola focus
  • directrixY: - directrixY: Directix Y

Properties

focus

var focus: Site

directrixY

var directrixY: Double

standardForm

Converts parabola to standart form (ax^2 + by * c)

var standardForm: (a: Double, b: Double, c: Double)

Methods

resolve(x:)

Resolves parabola equation against given X

public func resolve(x: Double) -> Double

Parameters

  • x: - x: given x

toQuadBezier(minX:maxX:)

Quadrativ Bezier representation of the Parabola clipped by X

public func toQuadBezier(minX: Double, maxX: Double) -> (start: Site, cp: Site, end: Site)

Parameters

  • minX: - minX: Min X clippling point
  • maxX: - maxX: Max X clippling point

intersectionX(_:)

X coordinate of the intersection with other Parabola (if present)

public func intersectionX(_ parabola: Parabola) -> Double?

Parameters

  • parabola: - parabola: other parabola