简单的翻牌

//
//  ViewController.m
//  翻页测试
//
//  Created by nyhx on 16/6/29.
//  Copyright © 2016年 nyhx. All rights reserved.
//

#import "ViewController.h"

#define RADIANS_TO_DEGREES(radians) ((radians) * (180.0 / M_PI))
#define DEGREES_TO_RADIANS(angle) ((angle) / 180.0 * M_PI)


@interface ViewController ()
{
    BOOL  isAllowButRig;
    BOOL  isAllowTopRig;
    BOOL  isAllowButLef;
    BOOL  isAllowTopLef;
    
    BOOL  isAllowLef;
    BOOL  isAllowRig;
    BOOL  isAllowTop;
    BOOL  isAllowBut;
}
@property (weak, nonatomic) IBOutlet UIView *backView;
@property (weak, nonatomic) IBOutlet UIImageView *PukeImageView;
@property (nonatomic,strong) UIImageView * ZImageView;

@property (nonatomic,strong) CAShapeLayer * shapeLayer;
@property (nonatomic,strong) CAShapeLayer * BackShapeLayer;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    _PukeImageView.image=[UIImage imageNamed:@"back.jpg"];
    _ZImageView=[[UIImageView alloc]initWithFrame:_PukeImageView.frame];
    _ZImageView.image=[UIImage imageNamed:@"7.jpg"];
    
    [self.backView addSubview:_ZImageView];
    
    //create shape layer
    _shapeLayer =[CAShapeLayer layer];
    _shapeLayer.strokeColor =[UIColor clearColor].CGColor;
    _shapeLayer.fillColor = [UIColor blueColor].CGColor;
    _shapeLayer.lineWidth = 1;
    _shapeLayer.lineJoin = kCALineJoinRound;
    _shapeLayer.lineCap = kCALineCapRound;
    _ZImageView.layer.mask=_shapeLayer;
    
    //create shape layer
    _BackShapeLayer =[CAShapeLayer layer];
    _BackShapeLayer.strokeColor =[UIColor clearColor].CGColor;
    _BackShapeLayer.fillColor = [UIColor blueColor].CGColor;
    _BackShapeLayer.lineWidth = 1;
    _BackShapeLayer.lineJoin = kCALineJoinRound;
    _BackShapeLayer.lineCap = kCALineCapRound;
    _PukeImageView.layer.mask=_BackShapeLayer;
    
    //path2
    CGPoint point11=CGPointMake(0, 0);
    CGPoint point22=CGPointMake(_PukeImageView.frame.size.width, 0);
    CGPoint point33=CGPointMake(_PukeImageView.frame.size.width, _PukeImageView.frame.size.height);
    CGPoint point44=CGPointMake(0, _PukeImageView.frame.size.height);
    
    UIBezierPath *path2 = [[UIBezierPath alloc] init];
    [path2 moveToPoint:point11];
    [path2 addLineToPoint:point22];
    [path2 addLineToPoint:point33];
    [path2 addLineToPoint:point44];
    [path2 addLineToPoint:point11];
    _BackShapeLayer.path = path2.CGPath;
    
}
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    isAllowButRig=NO;
    isAllowTopRig=NO;
    isAllowButLef=NO;
    isAllowTopLef=NO;
    isAllowLef=NO;
    isAllowRig=NO;
    isAllowTop=NO;
    isAllowBut=NO;
    
    CGPoint point=[[touches anyObject] locationInView:self.PukeImageView];
    if (point.x>=0&&point.x<self.PukeImageView.frame.size.width/3.0&&point.y>=0&&point.y<self.PukeImageView.frame.size.height/3.0) {//左上角
        isAllowTopLef=YES;
    }
    if (point.x>=self.PukeImageView.frame.size.width/3.0&&point.x<self.PukeImageView.frame.size.width/3.0*2.0&&point.y>=0&&point.y<self.PukeImageView.frame.size.height/3.0) {//上
        isAllowTop=YES;
    }
    if (point.x>=self.PukeImageView.frame.size.width/3.0*2.0&&point.x<self.PukeImageView.frame.size.width&&point.y>=0&&point.y<self.PukeImageView.frame.size.height/3.0) {//右上角
        isAllowTopRig=YES;
    }
    
    if (point.x>=0&&point.x<self.PukeImageView.frame.size.width/3.0&&point.y>=self.PukeImageView.frame.size.height/3.0&&point.y<self.PukeImageView.frame.size.height/3.0*2.0) {//左
        isAllowLef=YES;
    }
    if (point.x>=self.PukeImageView.frame.size.width/3.0*2.0&&point.x<self.PukeImageView.frame.size.width&&point.y>=self.PukeImageView.frame.size.height/3.0&&point.y<self.PukeImageView.frame.size.height/3.0*2.0) {//右
        isAllowRig=YES;
    }
    
    if (point.x>=0&&point.x<self.PukeImageView.frame.size.width/3.0&&point.y>=self.PukeImageView.frame.size.height/3.0*2.0&&point.y<self.PukeImageView.frame.size.height) {//左下角
        isAllowButLef=YES;
    }
    if (point.x>=self.PukeImageView.frame.size.width/3.0&&point.x<self.PukeImageView.frame.size.width/3.0*2.0&&point.y>=self.PukeImageView.frame.size.height/3.0*2.0&&point.y<self.PukeImageView.frame.size.height) {//下
        isAllowBut=YES;
    }
    if (point.x>=self.PukeImageView.frame.size.width/3.0*2.0&&point.x<self.PukeImageView.frame.size.width&&point.y>=self.PukeImageView.frame.size.height/3.0*2.0&&point.y<self.PukeImageView.frame.size.height) {//右下角
        isAllowButRig=YES;
    }
}
-(void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    if (isAllowButRig) {
        _ZImageView.layer.anchorPoint=CGPointMake(0, 1);
        CGPoint point=[[touches anyObject] locationInView:self.backView];
        [self MoveButRigWithPoint:point];
    }
    
    if (isAllowTopRig) {
        _ZImageView.layer.anchorPoint=CGPointMake(0, 0);
        CGPoint point=[[touches anyObject] locationInView:self.backView];
        [self MoveTopRigWithPoint:point];
    }
    
    if (isAllowButLef) {
        _ZImageView.layer.anchorPoint=CGPointMake(1, 1);
        CGPoint point=[[touches anyObject] locationInView:self.backView];
        [self MoveButLefWithPoint:point];
    }
    
    if (isAllowTopLef) {
        _ZImageView.layer.anchorPoint=CGPointMake(1, 0);
        CGPoint point=[[touches anyObject] locationInView:self.backView];
        [self MoveTopLefWithPoint:point];
    }
    
    if (isAllowLef) {
        _ZImageView.layer.anchorPoint=CGPointMake(1, 0.5);
        CGPoint point=[[touches anyObject] locationInView:self.backView];
        [self MoveLefWithPoint:point];
    }
    
    if (isAllowRig) {
        _ZImageView.layer.anchorPoint=CGPointMake(0, 0.5);
        CGPoint point=[[touches anyObject] locationInView:self.backView];
        [self MoveRigWithPoint:point];
    }
    
    if (isAllowTop) {
        _ZImageView.layer.anchorPoint=CGPointMake(0.5, 1);
        CGPoint point=[[touches anyObject] locationInView:self.backView];
        [self MoveTopWithPoint:point];
    }
    
    if (isAllowBut) {
        _ZImageView.layer.anchorPoint=CGPointMake(0.5, 0);
        CGPoint point=[[touches anyObject] locationInView:self.backView];
        [self MoveButWithPoint:point];
    }
    
}
-(void)MoveLefWithPoint:(CGPoint)point
{
    float K=point.x-_PukeImageView.frame.origin.x;
    if (K<=0) {
        return;
    }
    _ZImageView.layer.position=CGPointMake(_PukeImageView.frame.origin.x+K, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height/2);
    
    CGPoint rigPoint2=CGPointMake(_PukeImageView.frame.origin.x+K/2.0, _PukeImageView.frame.origin.y);
    CGPoint rigPoint3=CGPointMake(_PukeImageView.frame.origin.x+K, _PukeImageView.frame.origin.y);
    CGPoint rigPoint4=CGPointMake(_PukeImageView.frame.origin.x+K, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    CGPoint rigPoint5=CGPointMake(_PukeImageView.frame.origin.x+K/2.0, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    //path1
    [self changeShapeLayerPathWithLayer:_shapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint2],[NSValue valueWithCGPoint:rigPoint3],[NSValue valueWithCGPoint:rigPoint4],[NSValue valueWithCGPoint:rigPoint5]] andConvertView:_ZImageView];
    //path2
    CGPoint rigPoint11=rigPoint3;
    CGPoint rigPoint22=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y);
    CGPoint rigPoint33=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    CGPoint rigPoint44=rigPoint4;
    [self changeShapeLayerPathWithLayer:_BackShapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint22],[NSValue valueWithCGPoint:rigPoint33],[NSValue valueWithCGPoint:rigPoint44],[NSValue valueWithCGPoint:rigPoint11]] andConvertView:_PukeImageView];
    
}
-(void)MoveRigWithPoint:(CGPoint)point
{
    float K=_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-point.x;
    if (K<=0) {
        return;
    }
    _ZImageView.layer.position=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-K, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height/2.0);
    
    CGPoint rigPoint2=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-K/2.0, _PukeImageView.frame.origin.y);
    CGPoint rigPoint3=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-K, _PukeImageView.frame.origin.y);
    CGPoint rigPoint4=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-K, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    CGPoint rigPoint5=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-K/2.0, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    //path1
    [self changeShapeLayerPathWithLayer:_shapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint2],[NSValue valueWithCGPoint:rigPoint3],[NSValue valueWithCGPoint:rigPoint4],[NSValue valueWithCGPoint:rigPoint5]] andConvertView:_ZImageView];
    //path2
    CGPoint rigPoint11=rigPoint3;
    CGPoint rigPoint22=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y);
    CGPoint rigPoint33=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    CGPoint rigPoint44=rigPoint4;
    [self changeShapeLayerPathWithLayer:_BackShapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint22],[NSValue valueWithCGPoint:rigPoint33],[NSValue valueWithCGPoint:rigPoint44],[NSValue valueWithCGPoint:rigPoint11]] andConvertView:_PukeImageView];
    
}
-(void)MoveTopWithPoint:(CGPoint)point
{
    float K=point.y-_PukeImageView.frame.origin.y;
    if (K<=0) {
        return;
    }
    _ZImageView.layer.position=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width/2.0, _PukeImageView.frame.origin.y+K);
    
    CGPoint rigPoint2=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+K/2.0);
    CGPoint rigPoint3=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+K);
    CGPoint rigPoint4=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+K);
    CGPoint rigPoint5=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+K/2.0);
    //path1
    [self changeShapeLayerPathWithLayer:_shapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint2],[NSValue valueWithCGPoint:rigPoint3],[NSValue valueWithCGPoint:rigPoint4],[NSValue valueWithCGPoint:rigPoint5]] andConvertView:_ZImageView];
    //path2
    CGPoint rigPoint11=rigPoint3;
    CGPoint rigPoint22=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    CGPoint rigPoint33=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    CGPoint rigPoint44=rigPoint4;
    [self changeShapeLayerPathWithLayer:_BackShapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint22],[NSValue valueWithCGPoint:rigPoint33],[NSValue valueWithCGPoint:rigPoint44],[NSValue valueWithCGPoint:rigPoint11]] andConvertView:_PukeImageView];
    
}
-(void)MoveButWithPoint:(CGPoint)point
{
    float K=_PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-point.y;
    if (K<=0) {
        return;
    }
    _ZImageView.layer.position=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width/2.0, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-K);
    
    CGPoint rigPoint2=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-K/2.0);
    CGPoint rigPoint3=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-K);
    CGPoint rigPoint4=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-K);
    CGPoint rigPoint5=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-K/2.0);
    //path1
    [self changeShapeLayerPathWithLayer:_shapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint2],[NSValue valueWithCGPoint:rigPoint3],[NSValue valueWithCGPoint:rigPoint4],[NSValue valueWithCGPoint:rigPoint5]] andConvertView:_ZImageView];
    //path2
    CGPoint rigPoint11=rigPoint3;
    CGPoint rigPoint22=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y);
    CGPoint rigPoint33=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y);
    CGPoint rigPoint44=rigPoint4;
    [self changeShapeLayerPathWithLayer:_BackShapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint22],[NSValue valueWithCGPoint:rigPoint33],[NSValue valueWithCGPoint:rigPoint44],[NSValue valueWithCGPoint:rigPoint11]] andConvertView:_PukeImageView];
    
}


#pragma ---角

-(void)MoveTopLefWithPoint:(CGPoint)point
{
    float K=point.x-_PukeImageView.frame.origin.x;
    float L=point.y-_PukeImageView.frame.origin.y;
    if (K<=0||L<=0) {
        return;
    }
    float bianX=(K*K+L*L)/(2*K);
    float HuduCos1=(K-bianX)/bianX;//角1cos弧度
    
    CGPoint rigPoint2=CGPointZero;
    CGPoint rigPoint3=CGPointZero;
    if (RADIANS_TO_DEGREES(acosf(HuduCos1))<90.0) {//情况1
        
        float bianY=K/L*bianX;
        
        _ZImageView.layer.position=point;
        _ZImageView.layer.transform=CATransform3DMakeRotation(acosf(HuduCos1), 0, 0, 1);//正面旋转
        
        rigPoint2=CGPointMake(_PukeImageView.frame.origin.x+bianX, _PukeImageView.frame.origin.y) ;
        rigPoint3=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+bianY);
        
    }
    else{//情况2
        
        float bianY=(K*K+L*L)/(2*L);
        bianX=L/K*bianY;
        
        _ZImageView.layer.position=point;
        _ZImageView.layer.transform=CATransform3DMakeRotation(acosf(HuduCos1), 0, 0, 1);//正面旋转
        
        rigPoint2=CGPointMake(_PukeImageView.frame.origin.x+bianX, _PukeImageView.frame.origin.y) ;
        rigPoint3=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+bianY);
    }
    
    //path1
    [self changeShapeLayerPathWithLayer:_shapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint2],[NSValue valueWithCGPoint:rigPoint3],[NSValue valueWithCGPoint:point]] andConvertView:_ZImageView];
    
    //path2
    CGPoint rigPoint11=rigPoint2;
    CGPoint rigPoint22=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y);
    CGPoint rigPoint33=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    CGPoint rigPoint44=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    CGPoint rigPoint55=rigPoint3;
    [self changeShapeLayerPathWithLayer:_BackShapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint22],[NSValue valueWithCGPoint:rigPoint33],[NSValue valueWithCGPoint:rigPoint44],[NSValue valueWithCGPoint:rigPoint55],[NSValue valueWithCGPoint:rigPoint11]] andConvertView:_PukeImageView];
}


-(void)MoveButLefWithPoint:(CGPoint)point
{
    float K=point.x-_PukeImageView.frame.origin.x;
    float L=_PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-point.y;
    if (K<=0||L<=0) {
        return;
    }
    float bianX=(K*K+L*L)/(2*K);
    float HuduCos1=(K-bianX)/bianX;//角1cos弧度
    
    CGPoint rigPoint2=CGPointZero;
    CGPoint rigPoint3=CGPointZero;
    if (RADIANS_TO_DEGREES(acosf(HuduCos1))<90.0) {//情况1
        
        float bianY=K/L*bianX;
        
        _ZImageView.layer.position=point;
        _ZImageView.layer.transform=CATransform3DMakeRotation(acosf(HuduCos1), 0, 0, -1);//正面旋转
        
        rigPoint2=CGPointMake(_PukeImageView.frame.origin.x+bianX, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height) ;
        rigPoint3=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-bianY);
        
    }
    else{//情况2
        
        float bianY=(K*K+L*L)/(2*L);
        bianX=L/K*bianY;
        
        _ZImageView.layer.position=point;
        _ZImageView.layer.transform=CATransform3DMakeRotation(DEGREES_TO_RADIANS(180.0-RADIANS_TO_DEGREES(asinf(K/bianY))), 0, 0, -1);//正面旋转
        
        rigPoint2=CGPointMake(_PukeImageView.frame.origin.x+bianX, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height) ;
        rigPoint3=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-bianY);
    }
    
    //path1
    [self changeShapeLayerPathWithLayer:_shapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint2],[NSValue valueWithCGPoint:rigPoint3],[NSValue valueWithCGPoint:point]] andConvertView:_ZImageView];
    
    //path2
    CGPoint rigPoint11=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y);
    CGPoint rigPoint22=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y);
    CGPoint rigPoint33=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    CGPoint rigPoint44=rigPoint2;
    CGPoint rigPoint55=rigPoint3;
    [self changeShapeLayerPathWithLayer:_BackShapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint22],[NSValue valueWithCGPoint:rigPoint33],[NSValue valueWithCGPoint:rigPoint44],[NSValue valueWithCGPoint:rigPoint55],[NSValue valueWithCGPoint:rigPoint11]] andConvertView:_PukeImageView];
}
-(void)MoveTopRigWithPoint:(CGPoint)point
{
    
    float K=_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-point.x;
    float L=point.y-_PukeImageView.frame.origin.y;
    if (K<=0||L<=0) {
        return;
    }
    float bianX=(K*K+L*L)/(2*K);
    float HuduCos1=(K-bianX)/bianX;//角1cos弧度
    
    CGPoint rigPoint2=CGPointZero;
    CGPoint rigPoint3=CGPointZero;
    if (RADIANS_TO_DEGREES(acosf(HuduCos1))<90.0) {//情况1
        
        float bianY=K/L*bianX;
        
        _ZImageView.layer.position=point;
        _ZImageView.layer.transform=CATransform3DMakeRotation(acosf(HuduCos1), 0, 0, -1);//正面旋转
        
        rigPoint2=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-bianX, _PukeImageView.frame.origin.y) ;
        rigPoint3=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+bianY);
        
    }
    else{//情况2
        
        float bianY=(K*K+L*L)/(2*L);
        bianX=L/K*bianY;
        
        _ZImageView.layer.position=point;
        _ZImageView.layer.transform=CATransform3DMakeRotation(acosf(HuduCos1), 0, 0, -1);//正面旋转
        
        rigPoint2=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-bianX, _PukeImageView.frame.origin.y) ;
        rigPoint3=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+bianY);
    }
    
    //path1
    [self changeShapeLayerPathWithLayer:_shapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint2],[NSValue valueWithCGPoint:rigPoint3],[NSValue valueWithCGPoint:point]] andConvertView:_ZImageView];
    
    //path2
    CGPoint rigPoint11=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y);
    CGPoint rigPoint22=rigPoint2;
    CGPoint rigPoint33=rigPoint3;
    CGPoint rigPoint44=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    CGPoint rigPoint55=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    [self changeShapeLayerPathWithLayer:_BackShapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint22],[NSValue valueWithCGPoint:rigPoint33],[NSValue valueWithCGPoint:rigPoint44],[NSValue valueWithCGPoint:rigPoint55],[NSValue valueWithCGPoint:rigPoint11]] andConvertView:_PukeImageView];
}

-(void)MoveButRigWithPoint:(CGPoint)point
{
    float K=_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-point.x;
    float L=_PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-point.y;
    if (K<=0||L<=0) {
        return;
    }
    float bianX=(K*K+L*L)/(2*K);
    float HuduCos1=(K-bianX)/bianX;//角1cos弧度
    
    CGPoint rigPoint2=CGPointZero;
    CGPoint rigPoint3=CGPointZero;
    if (RADIANS_TO_DEGREES(acosf(HuduCos1))<90.0) {//情况1
        
        float bianY=K/L*bianX;
        
        _ZImageView.layer.position=point;
        _ZImageView.layer.transform=CATransform3DMakeRotation(acosf(HuduCos1), 0, 0, 1);//正面旋转
        
        rigPoint2=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-bianX, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height) ;
        rigPoint3=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-bianY);
        
    }
    else{//情况2
        
        float bianY=(K*K+L*L)/(2*L);
        bianX=L/K*bianY;
        
        _ZImageView.layer.position=point;
        _ZImageView.layer.transform=CATransform3DMakeRotation(DEGREES_TO_RADIANS(180.0-RADIANS_TO_DEGREES(asinf(K/bianY))), 0, 0, 1);//正面旋转
        
        rigPoint2=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width-bianX, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height) ;
        rigPoint3=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height-bianY);
    }
    
    //path1
    [self changeShapeLayerPathWithLayer:_shapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint2],[NSValue valueWithCGPoint:rigPoint3],[NSValue valueWithCGPoint:point]] andConvertView:_ZImageView];
    
    //path2
    CGPoint rigPoint11=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y);
    CGPoint rigPoint22=CGPointMake(_PukeImageView.frame.origin.x+_PukeImageView.frame.size.width, _PukeImageView.frame.origin.y);
    CGPoint rigPoint33=rigPoint3;
    CGPoint rigPoint44=rigPoint2;
    CGPoint rigPoint55=CGPointMake(_PukeImageView.frame.origin.x, _PukeImageView.frame.origin.y+_PukeImageView.frame.size.height);
    [self changeShapeLayerPathWithLayer:_BackShapeLayer andArr:@[[NSValue valueWithCGPoint:rigPoint22],[NSValue valueWithCGPoint:rigPoint33],[NSValue valueWithCGPoint:rigPoint44],[NSValue valueWithCGPoint:rigPoint55],[NSValue valueWithCGPoint:rigPoint11]] andConvertView:_PukeImageView];
}

-(void)changeShapeLayerPathWithLayer:(CAShapeLayer *)layer andArr:(NSArray *)arr andConvertView:(UIImageView *)convertView
{
    NSValue * lastValue=[arr lastObject];
    
    UIBezierPath *path = [[UIBezierPath alloc] init];
    [path moveToPoint:[self.backView convertPoint:[lastValue CGPointValue] toView:convertView]];
    
    for (NSValue * value in arr) {
        CGPoint point=[self.backView convertPoint:[value CGPointValue] toView:convertView];
        [path addLineToPoint:point];
    }
    layer.path=path.CGPath;
}
-(void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    NSLog(@"111");
}
@end