Hello Duncan.
I did this change and it worked, i dunno if tis correct to do it, but the thing
is I need the new locations respective the superview, not the view itself, so I
have this:
UITouch *aTouch = [touches anyObject];
CGPoint loc = [aTouch locationInView:bc_parentScene];
CGPoint prevloc = [aTouch
previousLocationInView:bc_parentScene];
CGPoint center = self.center;
float deltaX = loc.x - prevloc.x;
float deltaY = loc.y - prevloc.y;
center.x += deltaX;
center.y += deltaY;
[self setCenter:center];
bc_parentscene is the superview.superview so I have a weak reference to it
since creation, + for another functionality i need . . .
Gustavo
On Nov 30, 2010, at 7:11 PM, David Duncan wrote:
> On Nov 30, 2010, at 9:49 AM, Gustavo Pizano wrote:
>
>> Any help or tip may be appreciate, my linear algebra is not that good ...
>> :SS I wanna cry...
>
>
> Move the center instead of the frame. The frame is derived from the center,
> bounds.size and transform, so once you've placed a transform on the view the
> frame is a much less reliable means of making adjustments to the view.
> --
> David Duncan
>
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