ios layer 动画

浏览数：31 / 时间：2015年06月11日

#import "ViewController.h"

@interface ViewController (){
    CALayer *_l1;//定义能够全局使用
    CALayer *_l2;
}

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    CALayer *l2 = [CALayer layer];
    l2.frame = CGRectMake(50, 50, 100, 100);
    l2.backgroundColor = [UIColor greenColor].CGColor;
//    l2.transform = CATransform3DMakeRotation(M_PI_4, 1, 1, 0);//旋转
    [self.view.layer addSublayer:l2];
    _l2 = l2;


    CALayer *l1 = [CALayer layer];//创建并初始化
    l1.frame = CGRectMake(50, 50, 100, 100);
    l1.backgroundColor = [UIColor yellowColor].CGColor;//背景颜色
    //    l1.doubleSided = NO;   //是否两面
    //    l1.transform = CATransform3DMakeRotation(M_PI_4, 1, 1, 0);//旋转
    l1.cornerRadius = 30;//当要是一个矩形时这个为将要在四个角变成圆角如果有图片则不能直接显示效果
    l1.masksToBounds = NO;//这就是有图片时将会把多出的部分强行剪切，就能显示圆角
    l1.contents = (__bridge id)(([UIImage imageNamed:@"1.jpg"].CGImage));//添加图片
    l1.borderColor = [UIColor redColor].CGColor;//边框颜色
    l1.borderWidth = 10;//边框的大小
    l1.opacity = 1;//透明度
    l1.shadowColor = [UIColor blackColor].CGColor;//阴影颜色
    l1.shadowOpacity = 1;//阴影透明度
    l1.shadowOffset = CGSizeMake(10, 10);
    l1.shadowRadius = 6;//半径区域大小


    [self.view.layer addSublayer:l1];//在页面上显示效果
    _l1 = l1;

}
- (IBAction)didClicked:(id)sender {
//    _l1.bounds = CGRectMake(0, 0, 100, 100);
//    _l1.position = CGPointMake(0, 0);//中心点到坐标显示
//    _l1.anchorPoint = CGPointMake(0, 1);//锚点
    _l1.zPosition = 100;//在Z轴上方
    _l1.doubleSided = NO;//反面无
    _l1.transform = CATransform3DMakeRotation(M_PI, 1, 0, 0);//旋转
    _l2.transform = CATransform3DIdentity;

}
- (IBAction)didClicked2:(id)sender {
    _l2.transform = CATransform3DMakeRotation(M_PI, 1, 0, 0);
    _l1.transform = CATransform3DIdentity;
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end