//直接上代码,在外面只要调用,传入图片数组即可.
// Created by 刘志武 on 2016/12/3.
// Copyright ? 2016年 zhiwuLiu. All rights reserved.
//
#import "LaunchView.h"
#define L_Base_Tag 10000
#define L_Rotate_Rate 1
#define L_SCREEN_WIDHT [UIScreen mainScreen].bounds.size.width //屏幕宽度
#define L_SCREEN_HEIGHT [UIScreen mainScreen].bounds.size.height //屏幕高
@implementation LaunchView
-(instancetype)initWithFrame:(CGRect)frame{
self = [super initWithFrame:frame];
if (self) {
}
return self;
}
//重写图片数组的setter方法
-(void)setImagesArray:(NSArray *)imagesArray
{
_imagesArray = imagesArray;
[self creatSubViews];
}
-(void)creatSubViews
{
NSArray *imageArr = [NSArray arrayWithArray:_imagesArray];
UIScrollView *mainScrollView = [[UIScrollView alloc]initWithFrame:CGRectMake(0, 0, L_SCREEN_WIDHT, L_SCREEN_HEIGHT)];
mainScrollView.pagingEnabled = YES;
mainScrollView.bounces = NO;
mainScrollView.contentSize = CGSizeMake(L_SCREEN_WIDHT*imageArr.count, L_SCREEN_HEIGHT);
mainScrollView.showsHorizontalScrollIndicator = NO;
mainScrollView.delegate = self;
[self addSubview:mainScrollView];
//添加云彩图片
UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 330, L_SCREEN_WIDHT, 170*L_SCREEN_WIDHT/1242.0)];
imageView.image = [UIImage imageNamed:@"yun.png"];
[self addSubview:imageView];
for (int i=0; i<imageArr.count; i++) {
UIView *rotateView = [[UIView alloc]initWithFrame:CGRectMake(L_SCREEN_WIDHT*i, 0, L_SCREEN_WIDHT, L_SCREEN_HEIGHT*2)];
[rotateView setTag:L_Base_Tag+i];
[mainScrollView addSubview:rotateView];
if (i!=0) {
rotateView.alpha = 0;
}
UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, L_SCREEN_WIDHT, L_SCREEN_HEIGHT)];
imageView.image = [UIImage imageNamed:imageArr[i]];
[rotateView addSubview:imageView];
//最后页面添加按钮
if (i == imageArr.count-1) {
UIControl *control = [[UIControl alloc]initWithFrame:CGRectMake(0, L_SCREEN_HEIGHT-80, L_SCREEN_WIDHT, 50)];
control.backgroundColor = [UIColor blackColor];
[control addTarget:self action:@selector(ClickToRemove) forControlEvents:UIControlEventTouchUpInside];
[rotateView addSubview:control];
}
}
UIView *firstView = [mainScrollView viewWithTag:L_Base_Tag];
[mainScrollView bringSubviewToFront:firstView];
}
-(void)scrollViewDidScroll:(UIScrollView *)scrollView{
UIView * view1 = [scrollView viewWithTag:L_Base_Tag];
UIView * view2 = [scrollView viewWithTag:L_Base_Tag+1];
UIView * view3 = [scrollView viewWithTag:L_Base_Tag+2];
UIView * view4 = [scrollView viewWithTag:L_Base_Tag+3];
UIImageView * imageView1 = (UIImageView *)[scrollView viewWithTag:L_Base_Tag*2];
UIImageView * imageView2 = (UIImageView *)[scrollView viewWithTag:L_Base_Tag*2+1];
UIImageView * imageView3 = (UIImageView *)[scrollView viewWithTag:L_Base_Tag*2+2];
UIImageView * imageView4 = (UIImageView *)[scrollView viewWithTag:L_Base_Tag*2+3];
CGFloat xOffset = scrollView.contentOffset.x;
//根据偏移量旋转
CGFloat rotateAngle = -1 * 1.0/L_SCREEN_WIDHT * xOffset * M_PI_2 * L_Rotate_Rate;
view1.layer.transform = CATransform3DMakeRotation(rotateAngle, 0, 0, 1);
view2.layer.transform = CATransform3DMakeRotation(M_PI_2*1+rotateAngle, 0, 0, 1);
view3.layer.transform = CATransform3DMakeRotation(M_PI_2*2+rotateAngle, 0, 0, 1);
view4.layer.transform = CATransform3DMakeRotation(M_PI_2*3+rotateAngle, 0, 0, 1);
//根据偏移量位移（保证中心点始终都在屏幕下方中间）
view1.center = CGPointMake(0.5 * L_SCREEN_WIDHT+xOffset, L_SCREEN_HEIGHT);
view2.center = CGPointMake(0.5 * L_SCREEN_WIDHT+xOffset, L_SCREEN_HEIGHT);
view3.center = CGPointMake(0.5 * L_SCREEN_WIDHT+xOffset, L_SCREEN_HEIGHT);
view4.center = CGPointMake(0.5 * L_SCREEN_WIDHT+xOffset, L_SCREEN_HEIGHT);
//当前哪个视图放在最上面
if (xOffset<L_SCREEN_WIDHT*0.5) {
[scrollView bringSubviewToFront:view1];
}else if (xOffset>=L_SCREEN_WIDHT*0.5 && xOffset < L_SCREEN_WIDHT*1.5){
[scrollView bringSubviewToFront:view2];
}else if (xOffset >=L_SCREEN_WIDHT*1.5 && xOffset < L_SCREEN_WIDHT*2.5){
[scrollView bringSubviewToFront:view3];
}else if (xOffset >=L_SCREEN_WIDHT*2.5)
{
[scrollView bringSubviewToFront:view4];
}
//调节其透明度
CGFloat xoffset_More = xOffset*1.5>L_SCREEN_WIDHT?L_SCREEN_WIDHT:xOffset*1.5;
if (xOffset < L_SCREEN_WIDHT) {
view1.alpha = (L_SCREEN_WIDHT - xoffset_More)/L_SCREEN_WIDHT;
imageView1.alpha = (L_SCREEN_WIDHT - xOffset)/L_SCREEN_WIDHT;;
}
if (xOffset <= L_SCREEN_WIDHT) {
view2.alpha = xoffset_More / L_SCREEN_WIDHT;
imageView2.alpha = xOffset / L_SCREEN_WIDHT;
}
if (xOffset >L_SCREEN_WIDHT && xOffset <= L_SCREEN_WIDHT*2) {
view2.alpha = (L_SCREEN_WIDHT*2 - xOffset)/L_SCREEN_WIDHT;
view3.alpha = (xOffset - L_SCREEN_WIDHT)/ L_SCREEN_WIDHT;
imageView2.alpha = (L_SCREEN_WIDHT*2 - xOffset)/L_SCREEN_WIDHT;
imageView3.alpha = (xOffset - L_SCREEN_WIDHT)/ L_SCREEN_WIDHT;
}
if (xOffset >L_SCREEN_WIDHT*2 ) {
view3.alpha = (L_SCREEN_WIDHT*3 - xOffset)/L_SCREEN_WIDHT;
view4.alpha = (xOffset - L_SCREEN_WIDHT*2)/ L_SCREEN_WIDHT;
imageView3.alpha = (L_SCREEN_WIDHT*3 - xOffset)/L_SCREEN_WIDHT;
imageView4.alpha = (xOffset - L_SCREEN_WIDHT*2)/ L_SCREEN_WIDHT;
}
//调节背景色
if (xOffset <L_SCREEN_WIDHT && xOffset>0) {
self.backgroundColor = [UIColor colorWithRed:(140-40.0/L_SCREEN_WIDHT*xOffset)/255.0 green:(255-25.0/L_SCREEN_WIDHT*xOffset)/255.0 blue:(255-100.0/L_SCREEN_WIDHT*xOffset)/255.0 alpha:1];
}else if (xOffset>=L_SCREEN_WIDHT &&xOffset<L_SCREEN_WIDHT*2){
self.backgroundColor = [UIColor colorWithRed:(100+30.0/L_SCREEN_WIDHT*(xOffset-L_SCREEN_WIDHT))/255.0 green:(230-40.0/L_SCREEN_WIDHT*(xOffset-L_SCREEN_WIDHT))/255.0 blue:(155-5.0/320*(xOffset-L_SCREEN_WIDHT))/255.0 alpha:1];
}else if (xOffset>=L_SCREEN_WIDHT*2 &&xOffset<L_SCREEN_WIDHT*3){
self.backgroundColor = [UIColor colorWithRed:(130-50.0/L_SCREEN_WIDHT*(xOffset-L_SCREEN_WIDHT*2))/255.0 green:(190-40.0/L_SCREEN_WIDHT*(xOffset-L_SCREEN_WIDHT*2))/255.0 blue:(150+50.0/L_SCREEN_WIDHT*(xOffset-L_SCREEN_WIDHT*2))/255.0 alpha:1];
}else if (xOffset>=L_SCREEN_WIDHT*3 &&xOffset<L_SCREEN_WIDHT*4){
self.backgroundColor = [UIColor colorWithRed:(80-10.0/L_SCREEN_WIDHT*(xOffset-L_SCREEN_WIDHT*3))/255.0 green:(150-25.0/L_SCREEN_WIDHT*(xOffset-L_SCREEN_WIDHT*3))/255.0 blue:(200-90.0/L_SCREEN_WIDHT*(xOffset-L_SCREEN_WIDHT*3))/255.0 alpha:1];
}
}
#pragma 按钮的点击方法
-(void)ClickToRemove
{
NSLog(@"进入主界面");
}
@end
时间： 2024-10-01 23:46:33