转盘菜单

效果图

代理传递消息

//
//  CXYCircleMenuView.h
//  MagicLamp
//
//  Created by  on 2017/10/20.
//  Copyright © 2017年 YF Ding. All rights reserved.
//

#import <UIKit/UIKit.h>
@protocol CXYCircleMenuViewDeleagte<NSObject>
-(void)bleBtnClick;
-(void)phoneMusicBtnClick;
-(void)deviceMusicBtnClick;
-(void)lightBtnClick;
-(void)fmBtnClick;
-(void)outVoiceBtnClick;
-(void)voiceKardBtnClick;

@end
@interface CXYCircleMenuView : UIView
@property (nonatomic,assign)id<CXYCircleMenuViewDeleagte>delegate;
@end

实现

//
//  CXYCircleMenuView.m
//  MagicLamp
//
//  Created by  on 2017/10/20.
//  Copyright © 2017年 YF Ding. All rights reserved.
//

#import "CXYCircleMenuView.h"
#define DIST(pointA,pointB) sqrtf((pointA.x-pointB.x)*(pointA.x-pointB.x)+(pointA.y-pointB.y)*(pointA.y-pointB.y))
@interface CXYCircleMenuView()
@property (nonatomic, strong) UIView *content;
@property (nonatomic, assign) CGPoint startPoint;
@property (nonatomic, strong) NSMutableArray <UIView *>*views;
@end
@implementation CXYCircleMenuView
-(NSMutableArray *)views{
    if (!_views) {
        _views = [[NSMutableArray alloc] initWithCapacity:0];
    }
    return _views;
}
- (instancetype)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        [self setUpView];
    }
    return self;
}
-(void)setUpView{
    
    NSArray <NSString *> *imageNameArray = @[
                                             @"music",@"itunes-blue",@"light_bulb",@"radio",
                                              @"volume",@"memorycard",];
    NSArray <NSString *> *titleArraay = @[@"手机音乐",@"设备音乐",@"灯光模式",@"收音模式",@"外部声源",@"声卡模式"];
    UIView *contentView = [[UIView alloc] initWithFrame:CGRectMake(0, self.height/2-self.width/2, self.width, self.width)];
    self.content = contentView;
    [self addSubview:contentView];
    UIButton *centerImageView =[UIButton buttonWithType:UIButtonTypeCustom];
    centerImageView.frame = CGRectMake(self.centerX- KSCREEN_WIDTH/6, self.centerY-KSCREEN_WIDTH/6, KSCREEN_WIDTH/3, KSCREEN_WIDTH/3);
    
    centerImageView.backgroundColor = [UIColor clearColor];
    [centerImageView setImage:[UIImage imageNamed:@"bluetooth"] forState:UIControlStateNormal];
    [centerImageView addTarget:self action:@selector(tabberBtnClick:) forControlEvents:UIControlEventTouchUpInside];
    centerImageView.tag = 7;
    [self addSubview:centerImageView];
    [self setCircleMenuViewWithIconArray:imageNameArray WithTitle:titleArraay];
    
    
}
-(void)setCircleMenuViewWithIconArray:(NSArray *)icons WithTitle:(NSArray *)titles{
    for (int i = 0; i<icons.count; i++) {
        CGFloat x = KSCREEN_WIDTH/2*sin(2*M_PI/icons.count*i);
        CGFloat y = KSCREEN_WIDTH/2*cos(2*M_PI/icons.count*i);
        UIView *menuView = [[UIView alloc] initWithFrame:CGRectMake(KSCREEN_WIDTH/2 + 3*x/4 - KSCREEN_WIDTH/8, KSCREEN_WIDTH/2 + 3*y/4 - KSCREEN_WIDTH/8, KSCREEN_WIDTH/4, KSCREEN_WIDTH/4)];
        menuView.backgroundColor = [UIColor clearColor];
        [self.views addObject:menuView];
        UIButton *tabbarBtn = [UIButton buttonWithType:UIButtonTypeCustom];
        [tabbarBtn setImage:[UIImage imageNamed:icons[i]] forState:UIControlStateNormal];
        tabbarBtn.frame = CGRectMake(menuView.width/8, 0, 3*menuView.width/4, 3*menuView.width/4);
        tabbarBtn.tag = i+1;
        [tabbarBtn addTarget:self action:@selector(tabberBtnClick:) forControlEvents:UIControlEventTouchUpInside];
        [menuView addSubview:tabbarBtn];
        UILabel *labe= [[UILabel alloc] initWithFrame:CGRectMake(0, CGRectGetMaxY(tabbarBtn.frame), menuView.width, menuView.width/4)];
        labe.textAlignment = NSTextAlignmentCenter;
        labe.text = titles[i];
        [menuView addSubview:labe];
        [self.content addSubview:menuView];
    }
}
- (BOOL)touchPointInsideCircle:(CGPoint)center radius:(CGFloat)radius targetPoint:(CGPoint)point {
    CGFloat dist = DIST(point, center);
    NSLog(@"dist == %f, radius == %f",dist,radius);
    return (dist <= radius);
}
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
    self.startPoint = [[touches anyObject] locationInView:self];
}
-(void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
    CGPoint orige = CGPointMake(KSCREEN_WIDTH/2, KSCREEN_HEIGHT/2);
    CGPoint currentPoint = [[touches anyObject] locationInView:self];
    if ([self touchPointInsideCircle:orige radius:KSCREEN_WIDTH/2 targetPoint:currentPoint]) {
        CGFloat startAngle = atan2(self.startPoint.y - orige.y,self.startPoint.x-orige.x);
        CGFloat currentAngle = atan2(currentPoint.y - orige.y,currentPoint.x-orige.x);
        CGFloat circleAngle = currentAngle-startAngle;
        self.content.transform = CGAffineTransformRotate(self.content.transform,circleAngle);
        
        for (int i = 0; i<self.views.count; i++) {
            self.views[i].transform = CGAffineTransformRotate(self.views[i].transform,-circleAngle);
        }
        self.startPoint = currentPoint;
    }
}
-(void)tabberBtnClick:(UIButton *)btn{
    NSLog(@"%ld",btn.tag);
    switch (btn.tag) {
        case 1:
            if ([self.delegate respondsToSelector:@selector(phoneMusicBtnClick) ]) {
                [self.delegate phoneMusicBtnClick];
            }
            break;
        case 2:
            
            if ([self.delegate respondsToSelector:@selector(deviceMusicBtnClick) ]) {
                [self.delegate deviceMusicBtnClick];
            }
            break;
        case 3:
            
            if ([self.delegate respondsToSelector:@selector(lightBtnClick) ]) {
                [self.delegate lightBtnClick];
            }
            break;
        case 4:
            
            if ([self.delegate respondsToSelector:@selector(fmBtnClick) ]) {
                [self.delegate fmBtnClick];
            }
            break;
        case 5:
            
            if ([self.delegate respondsToSelector:@selector(outVoiceBtnClick) ]) {
                [self.delegate outVoiceBtnClick];
            }
            break;
        case 6:
            
            if ([self.delegate respondsToSelector:@selector(voiceKardBtnClick) ]) {
                [self.delegate voiceKardBtnClick];
            }
            break;
        case 7:
            
            if ([self.delegate respondsToSelector:@selector(bleBtnClick) ]) {
                [self.delegate bleBtnClick];
            }
            break;
            
        default:
            break;
    }
    
}
@end