refactor: ICamera interface added with view and projection matrices fields

Engine.Core/Abstract/ICamera.cs

@@ -0,0 +1,17 @@
+namespace Engine.Core;
+
+/// <summary>
+/// Represents a camera with view and projections matrices in the engine.
+/// </summary>
+public interface ICamera
+{
+    /// <summary>
+    /// View <see cref="Matrix4x4"/> of the <see cref="ICamera"/>.
+    /// </summary>
+    Matrix4x4 ViewMatrix { get; }
+
+    /// <summary>
+    /// Projection <see cref="Matrix4x4"/> of the <see cref="ICamera"/>.
+    /// </summary>
+    Matrix4x4 ProjectionMatrix { get; }
+}

Engine.Core/Abstract/ICamera2D.cs

@@ -3,7 +3,7 @@ namespace Engine.Core;
 /// <summary>
 /// Represents a 2D camera in the engine.
 /// </summary>
-public interface ICamera2D : IBehaviour2D
+public interface ICamera2D : ICamera, IBehaviour2D
 {
     /// <summary>
     /// The zoom level of the camera.

Engine.Core/Abstract/ICamera3D.cs

@@ -3,7 +3,7 @@ namespace Engine.Core;
 /// <summary>
 /// Represents a 3D camera in the engine.
 /// </summary>
-public interface ICamera3D : IBehaviour3D
+public interface ICamera3D : ICamera, IBehaviour3D
 {
     /// <summary>
     /// Event triggered when the near plane of the <see cref="ICamera3D"/> changes.