//
// ViewController.m
// animation
//
// Created by xueshan on 16/12/15.
// Copyright © 2016年 xueshan. All rights reserved.
//
#import "ViewController.h"
#define kDegreesToRadian(x) (M_PI * (x) / 180.0)
#define kRadianToDegrees(radian) (radian*180.0)/(M_PI)
@interface ViewController ()
{
UILabel *myTest1;
}
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
self.title = @"測試動畫";
self.view.backgroundColor = [UIColor lightGrayColor];
myTest1 = [[UILabel alloc]initWithFrame:CGRectMake(150, 100, 100, 100)];
myTest1.backgroundColor = [UIColor blueColor];
myTest1.textAlignment = NSTextAlignmentCenter;
myTest1.text = @"張明煒";
myTest1.textColor = [UIColor whiteColor];
[self.view addSubview:myTest1];
//閃爍效果。
// [myTest1.layer addAnimation:[self opacityForever_Animation:0.5] forKey:nil];
///移動的動畫。
// [myTest1.layer addAnimation:[self moveX:1.0f X:[NSNumber numberWithFloat:200.0f]] forKey:nil];
//縮放效果。
// [myTest1.layer addAnimation:[self scale:[NSNumber numberWithFloat:1.0f] orgin:[NSNumber numberWithFloat:3.0f] durTimes:2.0f Rep:MAXFLOAT] forKey:nil];
//組合動畫。
// NSArray *myArray = [NSArray arrayWithObjects:[self opacityForever_Animation:0.5],[self moveX:1.0f X:[NSNumber numberWithFloat:200.0f]],[self scale:[NSNumber numberWithFloat:1.0f] orgin:[NSNumber numberWithFloat:3.0f] durTimes:2.0f Rep:MAXFLOAT], nil];
// [myTest1.layer addAnimation:[self groupAnimation:myArray durTimes:3.0f Rep:MAXFLOAT] forKey:nil];
//路徑動畫。
// CGMutablePathRef myPah = CGPathCreateMutable();
// CGPathMoveToPoint(myPah, nil,30, 77);
// CGPathAddCurveToPoint(myPah, nil, 50, 50, 60, 200, 200, 200);//這里的是控制點。
// [myTest1.layer addAnimation:[self keyframeAnimation:myPah durTimes:5 Rep:MAXFLOAT] forKey:nil];
//旋轉動畫。
[myTest1.layer addAnimation:[self rotation:1 degree:kRadianToDegrees(360) direction:1 repeatCount:MAXFLOAT] forKey:nil];
}
#pragma mark === 永久閃爍的動畫 ======
-(CABasicAnimation *)opacityForever_Animation:(float)time
{
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"opacity"];//必須寫opacity才行。
animation.fromValue = [NSNumber numberWithFloat:1.0f];
animation.toValue = [NSNumber numberWithFloat:0.0f];//這是透明度。
animation.autoreverses = YES;
animation.duration = time;
animation.repeatCount = MAXFLOAT;
animation.removedOnCompletion = NO;
animation.fillMode = kCAFillModeForwards;
animation.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];///沒有的話是均勻的動畫。
return animation;
}
#pragma mark =====橫向、縱向移動===========
-(CABasicAnimation *)moveX:(float)time X:(NSNumber *)x
{
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.translation.x"];///.y的話就向下移動。
animation.toValue = x;
animation.duration = time;
animation.removedOnCompletion = NO;//yes的話，又返回原位置了。
animation.repeatCount = MAXFLOAT;
animation.fillMode = kCAFillModeForwards;
return animation;
}
#pragma mark =====縮放-=============
-(CABasicAnimation *)scale:(NSNumber *)Multiple orgin:(NSNumber *)orginMultiple durTimes:(float)time Rep:(float)repertTimes
{
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
animation.fromValue = Multiple;
animation.toValue = orginMultiple;
animation.autoreverses = YES;
animation.repeatCount = repertTimes;
animation.duration = time;//不設置時候的話，有一個默認的縮放時間.
animation.removedOnCompletion = NO;
animation.fillMode = kCAFillModeForwards;
return animation;
}
#pragma mark =====組合動畫-=============
-(CAAnimationGroup *)groupAnimation:(NSArray *)animationAry durTimes:(float)time Rep:(float)repeatTimes
{
CAAnimationGroup *animation = [CAAnimationGroup animation];
animation.animations = animationAry;
animation.duration = time;
animation.removedOnCompletion = NO;
animation.repeatCount = repeatTimes;
animation.fillMode = kCAFillModeForwards;
return animation;
}
#pragma mark =====路徑動畫-=============
-(CAKeyframeAnimation *)keyframeAnimation:(CGMutablePathRef)path durTimes:(float)time Rep:(float)repeatTimes
{
CAKeyframeAnimation *animation = [CAKeyframeAnimation animationWithKeyPath:@"position"];
animation.path = path;
animation.removedOnCompletion = NO;
animation.fillMode = kCAFillModeForwards;
animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
animation.autoreverses = NO;
animation.duration = time;
animation.repeatCount = repeatTimes;
return animation;
}
#pragma mark ====旋轉動畫======
-(CABasicAnimation *)rotation:(float)dur degree:(float)degree direction:(int)direction repeatCount:(int)repeatCount
{
CATransform3D rotationTransform = CATransform3DMakeRotation(degree, 0, 0, direction);
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform"];
animation.toValue = [NSValue valueWithCATransform3D:rotationTransform];
animation.duration = dur;
animation.autoreverses = NO;
animation.cumulative = YES;
animation.fillMode = kCAFillModeForwards;
animation.repeatCount = 100;
animation.delegate = self;
return animation;
//以下兩行同時設置才能保持移動后的位置狀態不變
//rotationAnimation.fillMode=kCAFillModeForwards;
//rotationAnimation.removedOnCompletion = NO;
}
//圖片旋轉
+ (UIImageView *)rotate360DegreeWithImageView:(UIImageView *)imageView{
CABasicAnimation *animation = [ CABasicAnimation
animationWithKeyPath: @"transform" ];
animation.fromValue = [NSValue valueWithCATransform3D:CATransform3DIdentity];
//圍繞Z軸旋轉，垂直與屏幕
animation.toValue = [ NSValue valueWithCATransform3D:
CATransform3DMakeRotation(M_PI, 0.0, 0.0, 1.0) ];
animation.duration = 0.5;
//旋轉效果累計，先轉180度，接着再旋轉180度，從而實現360旋轉
animation.cumulative = YES;
animation.repeatCount = 1000;
//在圖片邊緣添加一個像素的透明區域，去圖片鋸齒
CGRect imageRrect = CGRectMake(0, 0,imageView.frame.size.width, imageView.frame.size.height);
UIGraphicsBeginImageContext(imageRrect.size);
[imageView.image drawInRect:CGRectMake(1,1,imageView.frame.size.width-2,imageView.frame.size.height-2)];
imageView.image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
[imageView.layer addAnimation:animation forKey:nil];
return imageView;
}
//animation.repeatCount = 1000;
//這個你要想一直旋轉，設置一個無窮大就得了
//
//停止的話直接這樣就停止了
//[self.view.layer removeAllAnimates];
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end