移动木马效果

最新推荐文章于 2022-03-18 07:35:37 发布

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最新推荐文章于 2022-03-18 07:35:37 发布

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分类专栏： IOS开发

本文链接：https://blog.youkuaiyun.com/sbvfhp/article/details/48111055

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本文介绍了一个iOS应用程序中的动画实现方法，包括视图配置、动画效果设置等核心代码。通过调整图片位置和缩放比例来实现流畅的动画过渡。

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原创帖子，转载请注明出处：http://blog.youkuaiyun.com/sbvfhp/article/details/48111055

自动移动效果图：

核心代码如下：

//
//  EFAnimationViewController.m
//  aaatest
//
//  Created by 李建 on 15/5/17.
//  Copyright (c) 2015年 李建. All rights reserved.
//

#import "EFAnimationViewController.h"

#define RADIUS 100.0
#define PHOTONUM 3
#define TAGSTART 1000
#define TIME 1.5
#define SCALENUMBER 1.25
NSInteger array [PHOTONUM][PHOTONUM] = {
    {0,1,2},
    {2,0,1},
    {1,2,0}
//    {0,1,2,3,4},
//    {4,0,1,2,3},
//    {3,4,0,1,2}
//    {2,3,4,0,1},
//    {1,2,3,4,0}
};

@interface EFAnimationViewController ()<EFItemViewDelegate>

@property (nonatomic, assign) NSInteger currentTag;

@end

@implementation EFAnimationViewController

CATransform3D rotationTransform1[PHOTONUM];

- (void)viewDidLoad {
    
    [super viewDidLoad];
    
    [self configViews];
    
    [self performSelector:@selector(temp:) withObject:@"1001" afterDelay:1];
    [self performSelector:@selector(temp:) withObject:@"1002" afterDelay:3];
}

-(void)temp:(NSString *)tag{
    
    if ([@"1001" isEqualToString:tag]) {
        [self didTapped:1001];
    }else if ([@"1002" isEqualToString:tag]){
        [self didTapped:1002];
    }
    
}

#pragma mark - configViews 

- (void)configViews {
    
    self.view.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"common_background"]];
    NSArray *dataArray = @[@"exer_icon_biology", @"exer_icon_chemistry", @"exer_icon_chinese", @"exer_icon_english", @"exer_icon_geography"];
    
    CGFloat centery = self.view.center.y - 50;
    CGFloat centerx = self.view.center.x;
    
    for (NSInteger i = 0;i < PHOTONUM;i++) {
        CGFloat tmpy = centery;
        CGFloat tmpx =	centerx + i * 100;
        EFItemView *view = [[EFItemView alloc] initWithNormalImage:dataArray[i] highlightedImage:[dataArray[i] stringByAppendingFormat:@"%@", @"_hover"] tag:TAGSTART+i title:nil];
        view.frame = CGRectMake(0.0, 0.0,100,100);
        view.center = CGPointMake(tmpx,tmpy);
        view.delegate = self;
        rotationTransform1[i] = CATransform3DIdentity;
        
        CGFloat Scalenumber = fabs(i - PHOTONUM/2.0)/(PHOTONUM/2.0);
        if (Scalenumber < 0.3) {
            Scalenumber = 0.4;
        }
        CATransform3D rotationTransform = CATransform3DIdentity;
        rotationTransform = CATransform3DScale (rotationTransform, Scalenumber*SCALENUMBER,Scalenumber*SCALENUMBER, 1);
        view.layer.transform=rotationTransform;
        [self.view addSubview:view];
        
    }
    self.currentTag = TAGSTART;
}

#pragma mark - EFItemViewDelegate

- (void)didTapped:(NSInteger)index {
    
    if (self.currentTag  == index) {
        NSLog(@"自定义处理事件");
        return;
    }
    
    NSInteger t = [self getItemViewTag:index];
    
    for (NSInteger i = 0;i<PHOTONUM;i++ ) {
        UIView *view = [self.view viewWithTag:TAGSTART+i];
        [view.layer addAnimation:[self moveanimation:TAGSTART+i number:t] forKey:@"position"];
        [view.layer addAnimation:[self setscale:TAGSTART+i clicktag:index] forKey:@"transform"];
    }
    self.currentTag  = index;
}

- (CAAnimation*)setscale:(NSInteger)tag clicktag:(NSInteger)clicktag {
    
    NSInteger i = array[clicktag - TAGSTART][tag - TAGSTART];
    NSInteger i1 = array[self.currentTag  - TAGSTART][tag - TAGSTART];
    CGFloat Scalenumber = fabs(i - PHOTONUM/2.0)/(PHOTONUM/2.0);
    CGFloat Scalenumber1 = fabs(i1 - PHOTONUM/2.0)/(PHOTONUM/2.0);
    if (Scalenumber < 0.3) {
        Scalenumber = 0.4;
    }
    CABasicAnimation* animation = [CABasicAnimation animationWithKeyPath:@"transform"];
    animation.duration = TIME;
    animation.repeatCount =1;
    
    CATransform3D dtmp = CATransform3DScale(rotationTransform1[tag - TAGSTART],Scalenumber*SCALENUMBER, Scalenumber*SCALENUMBER, 1.0);
    animation.fromValue = [NSValue valueWithCATransform3D:CATransform3DScale(rotationTransform1[tag - TAGSTART],Scalenumber1*SCALENUMBER,Scalenumber1*SCALENUMBER, 1.0)];
    animation.toValue = [NSValue valueWithCATransform3D:dtmp ];
    animation.autoreverses = NO;
    animation.removedOnCompletion = NO;
    animation.fillMode = kCAFillModeForwards;
    
    return animation;
}

- (CAAnimation*)moveanimation:(NSInteger)tag number:(NSInteger)num {
    // CALayer
    UIView *view = [self.view viewWithTag:tag];
    CAKeyframeAnimation* animation;
    animation = [CAKeyframeAnimation animation];
    CGMutablePathRef path = CGPathCreateMutable();
    CGPathMoveToPoint(path, NULL,view.layer.position.x,view.layer.position.y);
    
    NSInteger p = [self getItemViewTag:tag];
    CGFloat centery = self.view.center.y - 50;
    CGFloat centerx = self.view.center.x - 80 * num;
    CGFloat tmpy =  centery;
    CGFloat tmpx =	centerx + p * 100;
    view.center = CGPointMake(tmpx,tmpy);
    
    CGPathAddLineToPoint(path, nil, tmpx, tmpy);
    animation.path = path;
    CGPathRelease(path);
    
    animation.duration = TIME;
    animation.repeatCount = 1;
    animation.calculationMode = @"paced"; 	
    return animation;
}

- (NSInteger)getItemViewTag:(NSInteger)tag {
    return tag - TAGSTART;
}

@end




@interface EFItemView ()

@property (nonatomic, strong) NSString *normal;
@property (nonatomic, strong) NSString *highlighted_;
@property (nonatomic, assign) NSInteger tag_;
@property (nonatomic, strong) NSString *title;

@end

@implementation EFItemView

- (instancetype)initWithNormalImage:(NSString *)normal highlightedImage:(NSString *)highlighted tag:(NSInteger)tag title:(NSString *)title {
    
    self = [super init];
    if (self) {
        _normal = normal;
        _highlighted_ = highlighted;
        _tag_ = tag;
        _title = title;
        [self configViews];
    }
    return self;
}

#pragma mark - configViews

- (void)configViews {
    self.tag = _tag_;
    [self setBackgroundImage:[UIImage imageNamed:_normal] forState:UIControlStateNormal];
    [self setBackgroundImage:[UIImage imageNamed:_highlighted_] forState:UIControlStateHighlighted];
    [self setTitle:_title forState:UIControlStateNormal];
    [self setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
    [self.titleLabel setFont:[UIFont systemFontOfSize:30.0]];
}

@end