ggerard / bez

Utilities for working with bezier curves in SwiftUI

Bez is a swift package aimed at making Bézier curves easy to work with and manipulate. Try out the PathEditor for a quick way to get started!

The various utilities included are:

• Interpolation Functions
• Derivatives
• Arc Lengths
• Segmentation
• Subdivision
• Lookup Table Generation
• Path Description -> Normalized SwiftUI Shape Conversion

Quick Start

1. Snag that URL from the github repo
2. In Xcode -> File -> Swift Packages -> Add Package Dependencies
3. Paste the URL Into the box
4. Specify the minimum version number (1.0.5)
5. Copy/Paste the following snippet Into The ContentView.swift file

import SwiftUI
import bez

struct ContentView: View {
    @ObservedObject var polybezier: PolyBezier = PolyBezier(Circle().path(in: .init(x: 50, y: 100, width: 100, height: 100)))
    var body: some View {
        NavigationView {
            PathEditor(polybezier: _polybezier, name: "Shape",
                save:  { (name , path) in print(path)})
                .navigationBarTitle("Bez Editor", displayMode: .inline)
            
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView().colorScheme(.dark)
    }
}

Mathematical Background

Example Uses

The PSlider component of the Sliders SwiftUI Library