CGPoint startPoint1;
CGPoint startPoint2;
CGPoint startPoint3;
CGPoint startPoint4;
- (void)Method {
CGPoint* startPoint = NULL;
if (panGesture.view == ...) {
startPoint = &startPoint1;
} else if (panGesture.view == ...) {
startPoint = &startPoint2;
}
if (panGesture.state == UIGestureRecognizerStateBegan) {
*startPoint = [panGesture locationInView:...]
} else if (panGesture.state == UIGestureRecognizerStateChanged) {
CGPoint endPoint = [panGesture locationInView:...];
*startPoint = endPoint;
}
}
CGPoint* startPoint = NULL;
startPoint = &startPoint1;
*startPoint = endPoint;
在雨燕3.0這三行代碼是如何表達我怎麼寫上面的代碼進入迅捷的iOS迅速指針
你不能把結構(CGPoint)作爲類。 Struct不支持指針。 – Lumialxk