paiai_ios/PaiAi/PaiaiUIKit/Reusable/Extension/CoreGraphics/CGPointExt.swift

//
//  CGPointExt.swift
//  ExtensionKit
//
//  Created by FFIB on 2017/9/13.
//  Copyright © 2017年 FFIB. All rights reserved.
//

import UIKit


extension CGPoint {
    public static func + (lhs: CGPoint, rhs: CGPoint) -> CGPoint {
        return CGPoint(x: lhs.x + rhs.x, y: lhs.y + rhs.y)
    }
    
    public static func - (lhs: CGPoint, rhs: CGPoint) -> CGPoint {
        return CGPoint(x: lhs.x - rhs.x, y: lhs.y - rhs.y)
    }
    
    public static func * (lhs: CGPoint, rhs: CGPoint) -> CGPoint {
        return CGPoint(x: lhs.x * rhs.x, y: lhs.y * rhs.y)
    }
    
    public static func / (lhs: CGPoint, rhs: CGPoint) -> CGPoint {
        return CGPoint(x: lhs.x / rhs.x, y: lhs.y / rhs.y)
    }
    
    public static func += (lhs:CGPoint, rhs: CGPoint) -> CGPoint {
        return lhs + rhs
    }
    
    public static func -= (lhs:CGPoint, rhs: CGPoint) -> CGPoint {
        return lhs - rhs
    }
    
    public static func *= (lhs:CGPoint, rhs: CGPoint) -> CGPoint {
        return lhs * rhs
    }
    
    public static func /= (lhs:CGPoint, rhs: CGPoint) -> CGPoint {
        return lhs / rhs
    }
    
    public func distance(to target: CGPoint) -> CGFloat {
        return sqrt(pow(self.x - target.x, 2) + pow(self.y - target.y, 2))
    }
    
    public static func == (lhs: CGPoint, rhs: CGPoint) -> Bool {
        return lhs.x == rhs.x && lhs.y == rhs.y
    }
    
}