Added frameconstraint lerp

src/Comet/Animations/AnimationExtensions.cs

@@ -7,7 +7,11 @@ namespace Comet
 {
 	public static class AnimationExtensions
 	{
-
+		public static FrameConstraints Lerp(this FrameConstraints start, FrameConstraints end, double progress)
+			=> new FrameConstraints(
+				start.Width.Lerp(end.Width, progress),
+				start.Height.Lerp(end.Height, progress)
+				);
 		public static T Animate<T>(this T view, Action<T> action, Action completed = null, double duration = .2, double delay = 0, bool repeats = false, bool autoReverses = false, string id = null, Lerp lerp = null)
 			where T : View => view.Animate(Easing.Default, action, completed, duration, delay, repeats, autoReverses, id, lerp);
 

src/Comet/AppHostBuilderExtensions.cs

@@ -4,6 +4,7 @@ using Comet.Handlers;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Maui;
+using Microsoft.Maui.Animations;
 using Microsoft.Maui.ApplicationModel;
 using Microsoft.Maui.Devices;
 using Microsoft.Maui.Handlers;
@@ -37,6 +38,14 @@ namespace Comet
 			ViewHandler.ViewMapper.AppendToMapping(nameof(IGestureView.Gestures), CometViewHandler.AddGestures);
 			ViewHandler.ViewCommandMapper.AppendToMapping(Gesture.AddGestureProperty, CometViewHandler.AddGesture);
 			ViewHandler.ViewCommandMapper.AppendToMapping(Gesture.AddGestureProperty, CometViewHandler.RemoveGesture);
+			Lerp.Lerps[typeof(FrameConstraints)] = new Lerp
+			{
+				Calculate = (s, e, progress) => {
+					var start = (FrameConstraints)s;
+					var end = (FrameConstraints)(e);
+					return start.Lerp(end, progress);
+				}
+			};
 			builder.ConfigureMauiHandlers((handlersCollection) => handlersCollection.AddHandlers(new Dictionary<Type, Type>
 			{
 				{ typeof(AbstractLayout), typeof(LayoutHandler) },