FredrikSjoberg

// https://www.cs.rit.edu/~ncs/color/t_convert.html
struct RGB {
    // Percent
    let r: Float // [0,1]
    let g: Float // [0,1]
    let b: Float // [0,1]
    
    static func hsv(r: Float, g: Float, b: Float) -> HSV {
        let min = r < g ? (r < b ? r : b) : (g < b ? g : b)
        let max = r > g ? (r > b ? r : b) : (g > b ? g : b)

FredrikSjoberg

extension CGPoint : Hashable {
    func distance(point: CGPoint) -> Float {
        let dx = Float(x - point.x)
        let dy = Float(y - point.y)
        return sqrt((dx * dx) + (dy * dy))
    }
    public var hashValue: Int {
        // iOS Swift Game Development Cookbook
        // https://books.google.se/books?id=QQY_CQAAQBAJ&pg=PA304&lpg=PA304&dq=swift+CGpoint+hashvalue&source=bl&ots=1hp2Fph274&sig=LvT36RXAmNcr8Ethwrmpt1ynMjY&hl=sv&sa=X&ved=0CCoQ6AEwAWoVChMIu9mc4IrnxgIVxXxyCh3CSwSU#v=onepage&q=swift%20CGpoint%20hashvalue&f=false
        return x.hashValue << 32 ^ y.hashValue

FredrikSjoberg

//: Playground - noun: a place where people can play

import Foundation
import GameplayKit

struct Game: Sequence, IteratorProtocol {
    // Should return a random Int between 0-Param, ie 0<=x<3
    let random: (Int) -> Int
    let doors: Int = 3
    

FredrikSjoberg

func errorAndCode(code: AVError.Code) -> (Int, String) {
    return (code.rawValue, describeAVError(code: code))
}

func describeAVError(code: AVError.Code) -> String {
    switch code {
    case .unknown: return "unknown"
    case .outOfMemory: return "outOfMemory"
    case .sessionNotRunning: return "sessionNotRunning"
    case .deviceAlreadyUsedByAnotherSession: return "deviceAlreadyUsedByAnotherSession"

FredrikSjoberg

-11800 : unknown
-11801 : outOfMemory
-11803 : sessionNotRunning
-11804 : deviceAlreadyUsedByAnotherSession
-11805 : noDataCaptured
-11806 : sessionConfigurationChanged
-11807 : diskFull
-11808 : deviceWasDisconnected
-11809 : mediaChanged
-11810 : maximumDurationReached