// 抛物线关键帧动画
-(void)rrr
{
CAKeyframeAnimation *keyframeAnimation=[CAKeyframeAnimation animationWithKeyPath:@"position"];
CGMutablePathRef path = CGPathCreateMutable();
CGPathMoveToPoint(path, NULL, self.imageView.layer.position.x, self.imageView.layer.position.y);//移动到起始点
CGPoint endPosition = CGPointMake(50, 50);
CGPathAddQuadCurveToPoint(path, NULL, 100, 100, endPosition.x, endPosition.y);
CGPathAddQuadCurveToPoint(path, NULL, 200, 200, endPosition.x, endPosition.y);
CGPathAddQuadCurveToPoint(path, NULL, 300, 300, endPosition.x, endPosition.y);
keyframeAnimation.path = path;
keyframeAnimation.delegate = self;
CGPathRelease(path);
keyframeAnimation.duration = 1;
[self.imageView.layer addAnimation:keyframeAnimation forKey:@"KCKeyframeAnimation_Position"];
}
//图片无限旋转
- (void)startAnimation
{
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.x"];///.y的话就向下移动。
// animation.fromValue = [NSNumber numberWithFloat:0];
animation.toValue = [NSNumber numberWithFloat:M_PI *2];
animation.duration = 0.3;
animation.removedOnCompletion = NO;//yes的话，又返回原位置了。
animation.repeatCount = MAXFLOAT;
animation.fillMode = kCAFillModeForwards;
[self.imageView.layer addAnimation:animation forKey:@"animateTransform"];
}
end
