墨迹天气，天气预报，动态天气，天气Animation
GitHub: https://github.com/Zws-China/Weather
//动画横向移动方法（云、鸟移动）
- (CABasicAnimation *)birdFlyAnimationWithToValue:(NSNumber *)toValue duration:(NSInteger)duration{
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.translation.x"];
animation.toValue = toValue;
animation.duration = duration;
animation.removedOnCompletion = NO;
animation.repeatCount = MAXFLOAT;
animation.fillMode = kCAFillModeForwards;
return animation;
}
//动画旋转方法，（阳光旋转、雪花旋转）
- (CABasicAnimation *)sunshineAnimationWithDuration:(NSInteger)duration{
//旋转动画
CABasicAnimation* rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
rotationAnimation.toValue = [NSNumber numberWithFloat: M_PI * 2.0 ];
[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
rotationAnimation.duration = duration;
rotationAnimation.repeatCount = MAXFLOAT;//你可以设置到最大的整数值
rotationAnimation.cumulative = NO;
rotationAnimation.removedOnCompletion = NO;
rotationAnimation.fillMode = kCAFillModeForwards;
return rotationAnimation;
}
//下雨、下雪动画方法
- (CABasicAnimation *)rainAnimationWithDuration:(NSInteger)duration{
CABasicAnimation* caBaseTransform = [CABasicAnimation animation];
caBaseTransform.duration = duration;
caBaseTransform.keyPath = @"transform";
caBaseTransform.repeatCount = MAXFLOAT;
caBaseTransform.removedOnCompletion = NO;
caBaseTransform.fillMode = kCAFillModeForwards;
caBaseTransform.fromValue = [NSValue valueWithCATransform3D:CATransform3DMakeTranslation(-170, -620, 0)];
caBaseTransform.toValue = [NSValue valueWithCATransform3D:CATransform3DMakeTranslation(kScreenHeight/2.0*34/124.0, kScreenHeight/2, 0)];
return caBaseTransform;
}
//透明度动画
- (CABasicAnimation *)rainAlphaWithDuration:(NSInteger)duration {
CABasicAnimation *showViewAnn = [CABasicAnimation animationWithKeyPath:@"opacity"];
showViewAnn.fromValue = [NSNumber numberWithFloat:1.0];
showViewAnn.toValue = [NSNumber numberWithFloat:0.1];
showViewAnn.duration = duration;
showViewAnn.repeatCount = MAXFLOAT;
showViewAnn.fillMode = kCAFillModeForwards;
showViewAnn.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
showViewAnn.removedOnCompletion = NO;
return showViewAnn;
}