- (void)show {
[[UIApplication sharedApplication].windows[0] addSubview:self.projectView];
CGRect frame = self.projectView.frame;
frame.origin.y = fView_Height(self.view) - 480*DY_Proportion;
@weakify(self)
[UIView animateWithDuration:0.25 animations:^{
@strongify(self)
[self.groundView.layer setTransform:[self firstTransform]];//红色view调用了上面的旋转效果
} completion:^(BOOL finished) {
@strongify(self)
[UIView animateWithDuration:0.25 animations:^{
@strongify(self)
//旋转完成以后页面缩小 同事改变黄色页面的frame的y值
[self.groundView.layer setTransform:[self secondTransform]];
//显示maskView
[self.maskView setAlpha:0.5f];
//popView上升
self.projectView.frame = frame;
} ];
}];
}
- (void)close {
CGRect frame = self.projectView.frame;
frame.origin.y = fView_Height(self.view) + 30*DY_Proportion;
@weakify(self)
[UIView animateWithDuration:0.25 delay:0 options:UIViewAnimationOptionCurveEaseInOut animations:^{
@strongify(self)
//maskView隐藏
[self.maskView setAlpha:0.f];
//popView下降
self.projectView.frame = frame;
//同时进行 感觉更丝滑
[self.groundView.layer setTransform:[self firstTransform]];
} completion:^(BOOL finished) {
@strongify(self)
[UIView animateWithDuration:0.25 delay:0 options:UIViewAnimationOptionCurveEaseInOut animations:^{
@strongify(self)
//变为初始值
[self.groundView.layer setTransform:CATransform3DIdentity];
} completion:^(BOOL finished) {
@strongify(self)
//移除
[self.projectView removeFromSuperview];
}];
}];
}
- (CATransform3D)firstTransform{
CATransform3D t1 = CATransform3DIdentity;
t1.m34 = 1.0/-900;
//带点缩小的效果
t1 = CATransform3DScale(t1, 0.98, 0.98, 1);
//绕x轴旋转
t1 = CATransform3DRotate(t1, 15.0 * M_PI/180.0, 1, 0, 0);
return t1;
}
- (CATransform3D)secondTransform{
CATransform3D t2 = CATransform3DIdentity;
t2.m34 = [self firstTransform].m34;
//向下移
t2 = CATransform3DTranslate(t2, 0, 0, 0);
//第二次缩小
t2 = CATransform3DScale(t2, 0.90, 0.90, 1);
return t2;
}