Le 17 juin 09 à 10:53, Chunk 1978 a écrit :
is have this animation block with both Enlarge and Rotate, but only
one work properly (the last one listed). what is the proper way to
group the two transforms together:
-=-=-=-
//Animation Block
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:1.0];
[UIView setAnimationDelegate:self];
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
CGAffineTransform enlarge = CGAffineTransformMakeScale(1.5, 1.5);
CGAffineTransform rotate = CGAffineTransformMakeRotation(3.14 / 2);
square.transform = enlarge;
square.transform = rotate;
[UIView commitAnimations];
-=-=-=-
You should concat your transformations, not make two.
CGAffineTransform trans = CGAffineTransformMakeScale(1.5, 1.5);
trans = CGAffineTransformRotate(trans, 3.14 / 2);
or in your sample above:
square.transform = CGAffineTransformConcat(enlarge, rotate);
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