Add PhantomCamera components and UI elements for improved scene management; refactor existing components for better integration

addons/phantom_camera/scripts/resources/PhantomCameraTween.cs

@@ -0,0 +1,64 @@
+using Godot;
+
+namespace PhantomCamera;
+
+public enum TransitionType
+{
+    Linear,
+    Sine,
+    Quint,
+    Quart,
+    Quad,
+    Expo,
+    Elastic,
+    Cubic,
+    Circ,
+    Bounce,
+    Back
+}
+
+public enum EaseType
+{
+    EaseIn,
+    EaseOut,
+    EaseInOut,
+    EaseOutIn
+}
+
+public static class PhantomCameraTweenExtensions
+{
+    public static PhantomCameraTween AsPhantomCameraTween(this Resource resource)
+    {
+        return new PhantomCameraTween(resource);
+    }
+}
+
+public class PhantomCameraTween(Resource tweenResource)
+{
+    public Resource Resource { get; } = tweenResource;
+
+    public float Duration
+    {
+        get => (float)Resource.Get(PropertyName.Duration);
+        set => Resource.Set(PropertyName.Duration, value);
+    }
+
+    public TransitionType Transition
+    {
+        get => (TransitionType)(int)Resource.Get(PropertyName.Transition);
+        set => Resource.Set(PropertyName.Transition, (int)value);
+    }
+
+    public EaseType Ease
+    {
+        get => (EaseType)(int)Resource.Get(PropertyName.Ease);
+        set => Resource.Set(PropertyName.Ease, (int)value);
+    }
+
+    public static class PropertyName
+    {
+        public const string Duration = "duration";
+        public const string Transition = "transition";
+        public const string Ease = "ease";
+    }
+}