项目 movemain0114
viewcontroller
实现位置移动，尺寸变化
//
// ViewController.swift
// movemore0114
//
// Created by Mac on 1/14/19.
// Copyright © 2019 wjb. All rights reserved.
//
import UIKit
class ViewController: UIViewController {
//黄色视图
@IBOutlet weak var yellowView: UIView!
//绿色视图
@IBOutlet weak var greenView: UIView!
//动画效果，黄色做移动，绿色做大小变化
//绿色视图中心点变量初始化，加载完成后赋值
var greenView_center :CGPoint?
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
//变量赋值
greenView_center = greenView.center
}
//加载动画效果
override func viewDidAppear(_ animated: Bool) {
UIView.animate(withDuration: 2, delay: 0, options: [UIView.AnimationOptions.autoreverse,.repeat], animations: {
//移动Y轴坐标
self.yellowView.center.y += 500
}, completion: nil)
UIView.animate(withDuration: 1, delay: 0, usingSpringWithDamping: 0.2, initialSpringVelocity: 1, options: [UIView.AnimationOptions.autoreverse,.repeat], animations: {
//改变大小
self.greenView.frame = CGRect(x: self.greenView_center!.x - 60 , y: self.greenView_center!.y - 60, width: 150, height: 150)
}, completion: nil)
//usingSpringWithDamping: 0.2, initialSpringVelocity: 1
//UIView.AnimationOptions.autoreverse 重复 ,.repeat 重复
}
}
secondviewcontroller
弹出，关闭，显示
//
// secondViewController.swift
// movemore0114
//
// Created by Mac on 1/14/19.
// Copyright © 2019 wjb. All rights reserved.
//
import UIKit
class secondViewController: UIViewController {
@IBOutlet weak var redView: UIView!
//关闭
@IBAction func closeButton(_ sender: UIButton) {
//视图透明
redView.alpha = 0
}
//弹出
@IBAction func openButton(_ sender: UIButton) {
//视图不透明
redView.alpha = 1
//初始变形
redView.transform = CGAffineTransform(scaleX: 0.5, y: 2)
//执行动画方法
UIView.animate(withDuration: 1, delay: 0, usingSpringWithDamping: 0.2, initialSpringVelocity: 1, options: UIView.AnimationOptions.curveEaseOut, animations: {
//恢复原始状态
self.redView.transform = CGAffineTransform.identity
}, completion: nil)
}
override func viewDidLoad() {
super.viewDidLoad()
//初始，视图透明
redView.alpha = 0
// Do any additional setup after loading the view.
}
/*
// MARK: - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
// Get the new view controller using segue.destination.
// Pass the selected object to the new view controller.
}
*/
}
thirsviewcontroller
背景图移动循环
//
// thirsViewController.swift
// movemore0114
//
// Created by Mac on 1/14/19.
// Copyright © 2019 wjb. All rights reserved.
//
import UIKit
class thirsViewController: UIViewController {
let bgImageView = UIImageView()
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
bgImageView.image = UIImage(named: "bg0114")
bgImageView.frame = CGRect(x: 0, y: 0, width: (bgImageView.image?.size.width)!, height: view.frame.height)
view.addSubview(bgImageView)
}
//执行加载完后的动画
override func viewDidAppear(_ animated: Bool) {
UIView.animate(withDuration: 20, delay: 0, options: [UIView.AnimationOptions.autoreverse,.repeat], animations: {
self.bgImageView.center.x = self.bgImageView.center.x - (self.bgImageView.image?.size.width)! + self.view.frame.width
}, completion: nil)
}
/*
// MARK: - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
// Get the new view controller using segue.destination.
// Pass the selected object to the new view controller.
}
*/
}