Farini

//  Pathfinder
//  Created by Carlos Farini on 8/21/21.

/**
 This is a tutorial that tries to approach the following question:
 
 How to make a `SCNNode` follow a 3D Path (with orientation) created with Blender NURBS curve.
 
 A: Simple. Move and Point to the next object.
 

Farini

extension NSImage {
    
    /// Returns the height of the current image.
    var height: CGFloat {
        return self.size.height
    }
    
    /// Returns the width of the current image.
    var width: CGFloat {
        return self.size.width

Farini

/**
 A CIFilter that uses a Metal function that converts a black pixel (or almost black) to a transparent pixel.
 */
class BLKTransparent: CIFilter {
    
    private var kernel: CIColorKernel
    
    var inputImage: CIImage?
    var threshold: Float?
    

Farini

/// Gets the Last Modified and Created Date of the file at path.
func fileDateAttributes(at path:String) -> (created:Date?, modified:Date?) {
    
    do {
        let attributes:[FileAttributeKey:Any] = try FileManager.default.attributesOfItem(atPath: path)
        let modificationDate = attributes[FileAttributeKey.modificationDate] as? Date
        let creationDate = attributes[FileAttributeKey.creationDate] as? Date
        return (creationDate, modificationDate)
    }catch{
        print("Error getting attributes of file: \(path). Check if file exists and that the system can access its attributes.")

Farini

import UIKit

// MARK: - Friends

class Person:Equatable{
    
    static func == (lhs: Person, rhs: Person) -> Bool {
        return lhs.name == rhs.name
    }