ben.swift

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

import UIKit
print("hello")
func generateRoute(coords: [(Double, Double)]) -> [(Double, Double)] {
    
    var route = [(Double, Double)]()
    
    for (i, coord) in coords.enumerate() {
        guard i > 0 else { continue }
        let prevCoord = coords[i-1]
        let m = (prevCoord.1 - coord.1) / (prevCoord.0 - coord.0)
        let b = coord.1 / (m * coord.0)
        let dir = m > 0 ? 1 : -1
        
        var lowLat = coord.0 < prevCoord.0 ? coord.0 : prevCoord.0
        let highLat = coord.0 < prevCoord.0 ? prevCoord.0 : coord.0
//        
//        while lowLat <= highLat {
//            let lng = m * lowLat + b
//            lowLat = dir < 0 ? lowLat + 0.001 : lowLat - 0.001
//            
//            route.append((lowLat, lng))
//        }
    }
    
    return route
}

let toTrain = [
    (40.74255874, -73.9358747),
    (40.74498105, -73.93550992),
    (40.74525741, -73.93780589),
    (40.74676927, -73.94415736)
]

print(generateRoute(toTrain))

let toHome = [
    (40.66636956, -73.98037523),
    (40.66689853, -73.98160368),
    (40.66267074, -73.98516297),
    (40.66381011, -73.9874804),
    (40.66291489, -73.98831725)
]