Core Animation -06-Key-frame animation-day4

1 //2 //VIEWCONTROLLER.M3 //06 Keyframe Animations4 //5 //Created by Zhujiacong on 16/4/18.6 //copyright©2016 year WXHL. All rights reserved.7 //8 9 #import "ViewController.h"Ten  One @interfaceViewcontroller () A { - cgmutablepathref _path; - } the@property (Weak, nonatomic) Iboutlet UIView *Redview; -  - @end -  + @implementationViewcontroller -  +- (void) Viewdidload { A [Super Viewdidload]; at      -_redview.layer.cornerradius =Ten; -      -      -      - } in  -  to- (void) Touchesbegan: (Nsset<uitouch *> *) touches withevent: (Uievent *)Event { +      -     //Key-Frame animations the //cakeyframeanimation *keyframe = [cakeyframeanimation animationwithkeypath:@ "position"]; * //     $ //    //Create framePanax Notoginseng //Cgpoint point1 = cgpointmake (+); - //Cgpoint Point2 = Cgpointmake (n.); the //Cgpoint Point3 = cgpointmake (+); + //Cgpoint point4 = Cgpointmake (); A //Cgpoint point5 = Cgpointmake (n.); the //Cgpoint point6 = cgpointmake (+); + //     - //     $ //Nsarray *array = @[[nsvalue Valuewithcgpoint:point1], $ //[Nsvalue Valuewithcgpoint:point2], - //[Nsvalue Valuewithcgpoint:point3], - //[Nsvalue valuewithcgpoint:point4], the //[Nsvalue valuewithcgpoint:point5], - //[Nsvalue Valuewithcgpoint:point6]Wuyi //                       ]; the //     - //keyframe.values = array; Wu //     - //keyframe.duration = 3; About //     $ //    //add an animation to a layer - //[_redview.layer addanimation:keyframe forkey:@ "Keyframe"]; -      -      A      +      the     if(_path) { - cgpathrelease (_path); $_path =NULL; the     } the      the     //Create Path the_path =cgpathcreatemutable (); -     //set Path start point inUitouch *touch =[touches anyobject]; theCgpoint location =[Touch LocationInView:self.view]; the Cgpathmovetopoint (_path, NULL, location.x, LOCATION.Y); About      the } the  the- (void) touchesmoved: (Nsset<uitouch *> *) touches withevent: (Uievent *)Event { +     //Get Touch Point add path point -Uitouch *touch =[touches anyobject]; theCgpoint location =[Touch LocationInView:self.view];Bayi      the Cgpathaddlinetopoint (_path, NULL, location.x, LOCATION.Y); the      - } -  the- (void) touchesended: (Nsset<uitouch *> *) touches withevent: (Uievent *)Event { the      the     //Performing animations theCakeyframeanimation *keyframe = [cakeyframeanimation animationwithkeypath:@"position"]; -Keyframe.path =_path; the      the      theKeyframe.duration =5;94      the      the      the     //speed control function98Keyframe.timingfunction =[Camediatimingfunction functionwithname:kcamediatimingfunctioneaseineaseout]; About      -     101 [_redview.layer addanimation:keyframe forkey:nil];102     103 }104  the 106 107- (void) didreceivememorywarning {108 [Super didreceivememorywarning];109     //Dispose of any resources the can be recreated. the }111  the @end

Core Animation -06-Key-frame animation-day4