void CreateKeyframeAnimation()
{
// animate the position
PointF fromPt = _sublayer.Position;
_sublayer.Position = new PointF(200, 300);
CGPath path = new CGPath();
path.AddLines(new PointF[] { fromPt, new PointF(250, 225), new PointF(100, 250), new PointF(200, 300) });
CAKeyFrameAnimation animPosition = (CAKeyFrameAnimation)CAKeyFrameAnimation.FromKeyPath("position");
animPosition.Path = path;
animPosition.Duration = 2;
_sublayer.AddAnimation(animPosition, "position");
// animate the layer transform
_sublayer.Transform = CATransform3D.MakeRotation((float)Math.PI, 0, 0, 1);
CAKeyFrameAnimation animRotate = (CAKeyFrameAnimation)CAKeyFrameAnimation.FromKeyPath("transform");
animRotate.Values = new NSObject[] { NSNumber.FromCATransform3D(CATransform3D.MakeRotation(0, 0, 0, 1)),
NSNumber.FromCATransform3D(CATransform3D.MakeRotation((float)Math.PI / 2f, 0, 0, 1)),
NSNumber.FromCATransform3D(CATransform3D.MakeRotation((float)Math.PI, 0, 0, 1)) };
/* see bug comment below
* animRotate.Values = new NSObject[] {
* NSNumber.FromFloat (0f),
* NSNumber.FromFloat ((float)Math.PI / 2f),
* NSNumber.FromFloat ((float)Math.PI) };
*/
//BUG: MonoTouch does not have this class method bound as of MonoTouch Versino 3.1.3
//animRotate.ValueFunction = CAValueFunction.FunctionWithName(CAValueFunction.RotateZ);
animRotate.Duration = 2;
_sublayer.AddAnimation(animRotate, "transform");
}
void CreateAnimationGroup()
{
PointF fromPt = _sublayer.Position;
_sublayer.Position = new PointF(200, 300);
CGPath path = new CGPath();
path.AddLines(new PointF[] { fromPt, new PointF(250, 225), new PointF(100, 250), new PointF(200, 300) });
CAKeyFrameAnimation animPosition = (CAKeyFrameAnimation)CAKeyFrameAnimation.FromKeyPath("position");
animPosition.Path = path;
_sublayer.Transform = CATransform3D.MakeRotation((float)Math.PI, 0, 0, 1);
CAKeyFrameAnimation animRotate = (CAKeyFrameAnimation)CAKeyFrameAnimation.FromKeyPath("transform");
animRotate.Values = new NSObject[] { NSNumber.FromCATransform3D(CATransform3D.MakeRotation(0, 0, 0, 1)),
NSNumber.FromCATransform3D(CATransform3D.MakeRotation((float)Math.PI / 2f, 0, 0, 1)),
NSNumber.FromCATransform3D(CATransform3D.MakeRotation((float)Math.PI, 0, 0, 1)) };
CAAnimationGroup spinningMonkeyGroup = CAAnimationGroup.CreateAnimation();
spinningMonkeyGroup.Duration = 2;
spinningMonkeyGroup.Animations = new CAAnimation[] { animPosition, animRotate };
_sublayer.AddAnimation(spinningMonkeyGroup, null);
}
