That's cool - when I used PNGs and rotated them, they looked all aliased on the iPhone so I went with CAShapeLayers instead. Thanks for that link though.
On Sun, Dec 6, 2009 at 12:21 AM, Scott Anguish <sc...@cocoadoc.com> wrote: > not sure if this is helpful, but on http://www.abandoninplace.com/ in > SampleCode, there is an example of using a dial created with Core Animation. > > On Dec 3, 2009, at 3:34 PM, Eric E. Dolecki wrote: > > > Will do. One question - when I am rotating around z - it's using the top > > left of the shapeLayer as the anchor point. Trying to set it differently > > isn't changing the anchor point... > > > > CABasicAnimation *rotationAnimation; > > > > rotationAnimation =[CABasicAnimation animationWithKeyPath:@ > > "transform.rotation.z"]; > > > > [rotationAnimation setFromValue:DegreesToNumber(0)]; > > > > [rotationAnimation setToValue:DegreesToNumber(360)]; > > > > [rotationAnimation setDuration:2.0f]; > > > > [rotationAnimation setRepeatCount:10000]; > > > > [shapeLayer setAnchorPoint:CGPointMake(240, 160)]; > > > > [shapeLayer addAnimation:rotationAnimation forKey:@"rotate"]; > > > > It just rotates around the top left corner (meaning it comes into and out > of > > view)... I am looking to simply spin the shape where it sits from it's > > center. > > > > > > > > On Thu, Dec 3, 2009 at 3:17 PM, Kyle Sluder <kyle.slu...@gmail.com> > wrote: > > > >> On Thu, Dec 3, 2009 at 12:07 PM, Eric E. Dolecki <edole...@gmail.com> > >> wrote: > >>> If I use CAShapeLayer, can I use CGAffineTransform on it? I need to > pour > >>> through the docs now I guess. > >> > >> Yes, please brush up on Core Animation. You can apply arbitrary > >> transformations to a layer, or you can use the rotation/position > >> properties of the layer itself and let CA take care of all the nested > >> coordinate systems for you. Since the iPhone uses layers for pretty > >> much all drawing, you're going to need to get a handle on Core > >> Animation sooner rather than later. > >> > >> --Kyle Sluder > >> > > > > > > > > -- > > http://ericd.net > > Interactive design and development > > _______________________________________________ > > > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > > > Please do not post admin requests or moderator comments to the list. > > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > > > Help/Unsubscribe/Update your Subscription: > > http://lists.apple.com/mailman/options/cocoa-dev/scott%40cocoadoc.com > > > > This email sent to sc...@cocoadoc.com > > -- http://ericd.net Interactive design and development _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
