- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
if (!dragEnable) {
return;
}
UITouch *touch = [touches anyObject];
beginPoint = [touch locationInView:self];
}
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
if (!dragEnable) {
return;
}
UITouch *touch = [touches anyObject];
CGPoint nowPoint = [touch locationInView:self];
float offsetX = nowPoint.x - beginPoint.x;
float offsetY = nowPoint.y - beginPoint.y;
self.center = CGPointMake(self.center.x + offsetX, self.center.y + offsetY);
}
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { } - (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event { }