//
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// AnimationTool.m
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// WKMuneController
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//
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// Created by macairwkcao on 16/1/25.
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// Copyright © 2016年 CWK. All rights reserved.
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//
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#import "AnimationTool.h"
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#import <UIKit/UIKit.h>
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@implementation AnimationTool
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#pragma mark 平移动画
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/**
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* 按照圆弧曲线平移
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*
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* @param duration 动画时长
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* @param fromPoint 起始点
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* @param startAngle 开始旋转角度
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* @param endAngle 结束角度
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* @param center 圆心
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* @param radius 半径
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* @param delegate
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* @param clockwise 顺时针（NO）逆时针（YES）
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*
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* @return
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*/
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+(CAKeyframeAnimation *)moveAccWithDuration:(CFTimeInterval)duration
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fromPoint:(CGPoint)fromPoint
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startAngle:(CGFloat)startAngle
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endAngle:(CGFloat)endAngle
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center:(CGPoint)center
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radius:(CGFloat)radius
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delegate:(id)delegate
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clockwise:(BOOL)clockwise{
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CAKeyframeAnimation *keyFrameAnimation = [CAKeyframeAnimation animationWithKeyPath:@"position"];
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keyFrameAnimation.duration = duration;
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CGMutablePathRef path = CGPathCreateMutable();
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CGPathMoveToPoint(path, NULL, fromPoint.x, fromPoint.y);
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CGPathAddArc(path, nil, center.x, center.y, radius, startAngle, endAngle, clockwise);
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keyFrameAnimation.path = path;
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keyFrameAnimation.fillMode = kCAFillModeForwards;
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keyFrameAnimation.removedOnCompletion = NO;
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keyFrameAnimation.delegate = delegate;
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keyFrameAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionDefault];;
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CGPathRelease(path);
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return keyFrameAnimation;
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}
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+(CAKeyframeAnimation *)moveLineWithDuration:(CFTimeInterval)duration
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fromPoint:(CGPoint)fromPoint
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toPoint:(CGPoint)toPoint
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delegate:(id)delegate{
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CAKeyframeAnimation *keyFrameAnimation = [CAKeyframeAnimation animationWithKeyPath:@"position"];
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keyFrameAnimation.duration = duration;
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CGMutablePathRef path = CGPathCreateMutable();
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CGPathMoveToPoint(path, NULL, fromPoint.x, fromPoint.y);
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CGPathAddLineToPoint(path, nil, toPoint.x, toPoint.y);
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keyFrameAnimation.path = path;
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keyFrameAnimation.fillMode = kCAFillModeForwards;
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keyFrameAnimation.removedOnCompletion = NO;
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keyFrameAnimation.delegate = delegate;
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keyFrameAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionDefault];;
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CGPathRelease(path);
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return keyFrameAnimation;
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}
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#pragma mark - 缩放动画
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+(CABasicAnimation *)scaleAnimationWithDuration:(CFTimeInterval)duration frameValue:(CGFloat)frameValue toValue:(CGFloat)toValue{
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//1.实例化基本动画
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CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
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anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
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//2.设置动画属性
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//fromValue & toValue
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[anim setFromValue:@(frameValue)];
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//从当前大小缩小到一半，然后恢复初始大小
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[anim setToValue:@(toValue)];
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//自动翻转动画
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[anim setAutoreverses:NO];
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//动画时长
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[anim setDuration:duration];
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//3.将动画添加到图层
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// [self.myView.layer addAnimation:anim forKey:nil];
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return anim;
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}
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/**
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* 动画组
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*
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* @param animations 动画数组
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* @param duration 动画时长
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*
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* @return CAAnimationGroup
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*/
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+(CAAnimationGroup *)groupAnimationWithAnimations:(NSArray *)animations duration:(CGFloat)duration{
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CAAnimationGroup *animationGroup = [[CAAnimationGroup alloc] init];
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animationGroup.animations = animations;
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animationGroup.duration = duration;
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// animationGroup.fillMode = kCAFillModeForwards;
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// animationGroup.removedOnCompletion = NO;
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return animationGroup;
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}
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#pragma mark - 透明度
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+(CABasicAnimation *)opacityAnimationWithDuration:(CFTimeInterval)duration frameValue:(CGFloat)frameValue toValue:(CGFloat)toValue{
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//1.实例化基本动画
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CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"opacity"];
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//2.设置动画属性
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//fromValue & toValue
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[anim setFromValue:@(frameValue)];
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//从当前大小缩小到一半，然后恢复初始大小
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[anim setToValue:@(toValue)];
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//自动翻转动画
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// [anim setAutoreverses:YES];
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//动画时长
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[anim setDuration:duration];
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//3.将动画添加到图层
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// [self.myView.layer addAnimation:anim forKey:nil];
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return anim;
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}
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@end
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