学习文章
详解CATransformLayer
效果
M34.gif
CATransformLayer.gif
- 利用M34做景深
- 利用CATransformLayer做3DLayer效果
源码
FirstViewController.m
#import "FirstViewController.h"
#import "GCD.h"
#import "UIView+SetRect.h"
#define DEGREE(d) ((d) * M_PI / 180.0f)
@interface FirstViewController ()
@property (nonatomic, strong) GCDTimer *m_timer;
@end
@implementation FirstViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.m_timer = [[GCDTimer alloc]initInQueue:[GCDQueue mainQueue]];
[self staticM34];
[self animateM34];
}
- (void)staticM34 {
// 普通的一个layer
CALayer *planeLayer1 = [CALayer layer];
planeLayer1.anchorPoint = CGPointMake(0.5, 0.5); // 锚点
planeLayer1.frame = (CGRect){CGPointZero, CGSizeMake(100, 100)}; // 尺寸
planeLayer1.position = CGPointMake(self.view.centerX - 55, self.view.centerY - 60); // 位置
planeLayer1.opacity = 0.6; // 背景透明度
planeLayer1.backgroundColor = [UIColor redColor].CGColor; // 背景色
planeLayer1.borderWidth = 3; // 边框宽度
planeLayer1.borderColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5].CGColor; // 边框颜色(设置了透明度)
planeLayer1.cornerRadius = 10; // 圆角值
// 普通的一个layer
CALayer *planeLayer2 = [CALayer layer];
planeLayer2.anchorPoint = CGPointMake(0.5, 0.5); // 锚点
planeLayer2.frame = (CGRect){CGPointZero, CGSizeMake(100, 100)}; // 尺寸
planeLayer2.position = CGPointMake(self.view.centerX + 55, self.view.centerY - 60); // 位置
planeLayer2.opacity = 0.6; // 背景透明度
planeLayer2.backgroundColor = [UIColor greenColor].CGColor; // 背景色
planeLayer2.borderWidth = 3; // 边框宽度
planeLayer2.borderColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5].CGColor; // 边框颜色(设置了透明度)
planeLayer2.cornerRadius = 10; // 圆角值
// 创建容器layer
CALayer *container = [CALayer layer];
container.frame = self.view.bounds;
[self.view.layer addSublayer:container];
CATransform3D plane_3D = CATransform3DIdentity;
plane_3D.m34 = 1.0/ -500;
plane_3D = CATransform3DRotate(plane_3D, DEGREE(30), 0, 1, 0);
container.transform = plane_3D;
[container addSublayer:planeLayer1];
[container addSublayer:planeLayer2];
}
- (void)animateM34 {
// 普通layer
CALayer *planeLayer = [CALayer layer];
[self.view.layer addSublayer:planeLayer];
planeLayer.anchorPoint = CGPointMake(0.5, 0.5); // 锚点
planeLayer.frame = (CGRect){CGPointZero, CGSizeMake(100, 100)}; // 尺寸
planeLayer.position = CGPointMake(self.view.centerX, self.view.centerY + 60); // 位置
planeLayer.opacity = 0.6; // 背景透明度
planeLayer.backgroundColor = [UIColor blueColor].CGColor; // 背景色
planeLayer.borderWidth = 3.f; // 边框宽度
planeLayer.borderColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5].CGColor; // 边框颜色(设置了透明度)
planeLayer.cornerRadius = 10; // 圆角值
// 启动定时器
[self.m_timer event:^{
static float degree = 0;
//起始值
CATransform3D fromValue = CATransform3DIdentity;
fromValue.m34 = -1.f / 300;
fromValue = CATransform3DRotate(fromValue, degree, 0, 1, 0);
// 结束值
CATransform3D toValue = CATransform3DIdentity;
toValue.m34 = -1.f / 300;
toValue = CATransform3DRotate(toValue, degree += 45.f, 0, 1, 0);
// 添加3D动画
CABasicAnimation *transform3D = [CABasicAnimation animationWithKeyPath:@"transform"];
transform3D.duration = 1.f;
transform3D.fromValue = [NSValue valueWithCATransform3D:fromValue];
transform3D.toValue = [NSValue valueWithCATransform3D:toValue];
planeLayer.transform = toValue;
[planeLayer addAnimation:transform3D forKey:@"transform3D"];
} timeIntervalWithSecs:1.f];
[self.m_timer start];
}
@end
SecondViewController.m
#import "SecondViewController.h"
#import "GCD.h"
#import "UIView+SetRect.h"
#define DEGREE(d) ((d) * M_PI / 180.0f)
@interface SecondViewController ()
@property (nonatomic, strong) GCDTimer *m_timer1;
@property (nonatomic, strong) GCDTimer *m_timer2;
@end
@implementation SecondViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.m_timer1 = [[GCDTimer alloc]initInQueue:[GCDQueue mainQueue]];
self.m_timer2 = [[GCDTimer alloc]initInQueue:[GCDQueue mainQueue]];
[self animateCALayer];
[self animateCATransformLayer];
}
- (void)animateCALayer {
// 普通的一个layer
CALayer *planeLayer1 = [CALayer layer];
planeLayer1.anchorPoint = CGPointMake(0.5, 0.5); // 锚点
planeLayer1.frame = (CGRect){CGPointZero, CGSizeMake(100, 100)}; // 尺寸
planeLayer1.position = CGPointMake(self.view.centerX, self.view.centerY - 55); // 位置
planeLayer1.opacity = 0.6; // 背景透明度
planeLayer1.backgroundColor = [UIColor redColor].CGColor; // 背景色
planeLayer1.borderWidth = 3; // 边框宽度
planeLayer1.borderColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5].CGColor; // 边框颜色(设置了透明度)
planeLayer1.cornerRadius = 10; // 圆角值
// Z轴平移
CATransform3D planeLayer1_3D = CATransform3DIdentity;
planeLayer1_3D = CATransform3DTranslate(planeLayer1_3D, 0, 0, -10);
planeLayer1.transform = planeLayer1_3D;
// 普通的一个layer
CALayer *planeLayer2 = [CALayer layer];
planeLayer2.anchorPoint = CGPointMake(0.5, 0.5); // 锚点
planeLayer2.frame = (CGRect){CGPointZero, CGSizeMake(100, 100)}; // 尺寸
planeLayer2.position = CGPointMake(self.view.centerX, self.view.centerY - 55); // 位置
planeLayer2.opacity = 0.6; // 背景透明度
planeLayer2.backgroundColor = [UIColor greenColor].CGColor; // 背景色
planeLayer2.borderWidth = 3; // 边框宽度
planeLayer2.borderColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5].CGColor; // 边框颜色(设置了透明度)
planeLayer2.cornerRadius = 10; // 圆角值
// Z轴平移
CATransform3D planeLayer2_3D = CATransform3DIdentity;
planeLayer2_3D = CATransform3DTranslate(planeLayer2_3D, 0, 0, -30);
planeLayer2.transform = planeLayer2_3D;
// 创建容器layer
CALayer *container = [CALayer layer];
container.frame = self.view.bounds;
[self.view.layer addSublayer:container];
[container addSublayer:planeLayer1];
[container addSublayer:planeLayer2];
// 启动定时器
[self.m_timer1 event:^{
static float degree = 0.f;
// 起始值
CATransform3D fromValue = CATransform3DIdentity;
fromValue.m34 = 1.0/ -500;
fromValue = CATransform3DRotate(fromValue, degree, 0, 1, 0);
// 结束值
CATransform3D toValue = CATransform3DIdentity;
toValue.m34 = 1.0/ -500;
toValue = CATransform3DRotate(toValue, degree += 45.f, 0, 1, 0);
// 添加3d动画
CABasicAnimation *transform3D = [CABasicAnimation animationWithKeyPath:@"transform"];
transform3D.duration = 1.f;
transform3D.fromValue = [NSValue valueWithCATransform3D:fromValue];
transform3D.toValue = [NSValue valueWithCATransform3D:toValue];
container.transform = toValue;
[container addAnimation:transform3D forKey:@"transform3D"];
} timeIntervalWithSecs:1.f];
[self.m_timer1 start];
}
- (void)animateCATransformLayer {
// 普通的一个layer
CALayer *planeLayer1 = [CALayer layer];
planeLayer1.anchorPoint = CGPointMake(0.5, 0.5); // 锚点
planeLayer1.frame = (CGRect){CGPointZero, CGSizeMake(100, 100)}; // 尺寸
planeLayer1.position = CGPointMake(self.view.centerX, self.view.centerY + 55); // 位置
planeLayer1.opacity = 0.6; // 背景透明度
planeLayer1.backgroundColor = [UIColor redColor].CGColor; // 背景色
planeLayer1.borderWidth = 3; // 边框宽度
planeLayer1.borderColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5].CGColor; // 边框颜色(设置了透明度)
planeLayer1.cornerRadius = 10; // 圆角值
// Z轴平移
CATransform3D planeLayer1_3D = CATransform3DIdentity;
planeLayer1_3D = CATransform3DTranslate(planeLayer1_3D, 0, 0, -10);
planeLayer1.transform = planeLayer1_3D;
// 普通的一个layer
CALayer *planeLayer2 = [CALayer layer];
planeLayer2.anchorPoint = CGPointMake(0.5, 0.5); // 锚点
planeLayer2.frame = (CGRect){CGPointZero, CGSizeMake(100, 100)}; // 尺寸
planeLayer2.position = CGPointMake(self.view.centerX, self.view.centerY + 55); // 位置
planeLayer2.opacity = 0.6; // 背景透明度
planeLayer2.backgroundColor = [UIColor greenColor].CGColor; // 背景色
planeLayer2.borderWidth = 3; // 边框宽度
planeLayer2.borderColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5].CGColor; // 边框颜色(设置了透明度)
planeLayer2.cornerRadius = 10; // 圆角值
// Z轴平移
CATransform3D planeLayer2_3D = CATransform3DIdentity;
planeLayer2_3D = CATransform3DTranslate(planeLayer2_3D, 0, 0, -30);
planeLayer2.transform = planeLayer2_3D;
// 创建容器layer
CATransformLayer *container = [CATransformLayer layer];
container.frame = self.view.bounds;
[self.view.layer addSublayer:container];
[container addSublayer:planeLayer1];
[container addSublayer:planeLayer2];
// 启动定时器
[self.m_timer2 event:^{
static float degree = 0.f;
// 起始值
CATransform3D fromValue = CATransform3DIdentity;
fromValue.m34 = 1.0/ -500;
fromValue = CATransform3DRotate(fromValue, degree, 0, 1, 0);
// 结束值
CATransform3D toValue = CATransform3DIdentity;
toValue.m34 = 1.0/ -500;
toValue = CATransform3DRotate(toValue, degree += 45.f, 0, 1, 0);
// 添加3d动画
CABasicAnimation *transform3D = [CABasicAnimation animationWithKeyPath:@"transform"];
transform3D.duration = 1.f;
transform3D.fromValue = [NSValue valueWithCATransform3D:fromValue];
transform3D.toValue = [NSValue valueWithCATransform3D:toValue];
container.transform = toValue;
[container addAnimation:transform3D forKey:@"transform3D"];
} timeIntervalWithSecs:1.f];
[self.m_timer2 start];
}
下载源码
下载地址