Init

Scripts/Camera/CameraService.cs

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+using System.Collections.Generic;
+using System.Linq;
+using Godot;
+
+namespace BITKit;
+/// <summary>
+/// 摄像头服务，该服务需要加载到Camera3D节点中
+/// </summary>
+public partial class CameraService:Camera3D
+{
+    /// <summary>
+    /// 场景中所有的摄像头
+    /// </summary>
+    private static readonly List<IVirtualCamera> _cameras=new();
+    /// <summary>
+    /// 当前已激活的摄像头
+    /// </summary>
+    public static IVirtualCamera ActiveCamera { get; private set; }
+    /// <summary>
+    /// 注册摄像头
+    /// </summary>
+    /// <param name="camera">摄像头</param>
+    /// <returns></returns>
+    public static bool Register(IVirtualCamera camera) => _cameras.TryAdd(camera);
+    /// <summary>
+    /// 注销摄像头
+    /// </summary>
+    /// <param name="camera">摄像头</param>
+    /// <returns></returns>
+    public static bool UnRegister(IVirtualCamera camera) => _cameras.TryRemove(camera);
+    /// <summary>
+    /// 处理摄像头的位置
+    /// </summary>
+    /// <param name="delta"></param>
+    public override void _Process(double delta)
+    {
+        //获取所有已启用的相机并加载一个虚拟相机的数据
+        foreach (var x in _cameras.Where(x => x.IsEnabled))
+        {
+            //应用相机坐标
+            Position = x.Position;
+            //应用相机角度
+            Rotation = x.Rotation.GetEuler();
+            //已加载相机位置,退出循环
+            break;
+        }
+    }
+}

Scripts/Camera/VirtualCamera.cs

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+using Godot;
+
+namespace BITKit;
+
+/// <summary>
+/// 虚拟相机接口定义
+/// </summary>
+public interface IVirtualCamera:IActivable
+{
+    /// <summary>
+    /// 相机的FOV
+    /// </summary>
+    int FOV { get; }
+    /// <summary>
+    /// 相机是否已启用
+    /// </summary>
+    bool IsEnabled { get; }
+    /// <summary>
+    /// 相机坐标
+    /// </summary>
+    Vector3 Position { get; }
+    /// <summary>
+    /// 相机旋转
+    /// </summary>
+    Quaternion Rotation { get; }
+}
+/// <summary>
+/// 基于Node3D的包括基础功能的虚拟相机
+/// </summary>
+public partial class VirtualCamera : Node3D, IVirtualCamera
+{
+    [Export] private int fov;
+    [Export] private bool isEnabled;
+    public int FOV => fov;
+
+    public bool IsEnabled => isEnabled;
+
+    Vector3 IVirtualCamera.Position => GlobalPosition;
+    Quaternion IVirtualCamera.Rotation => Quaternion.FromEuler(GlobalRotation);
+
+    public void SetActive(bool active)
+    {
+        isEnabled = active;
+    }
+
+    public override void _Ready()
+    {
+        CameraService.Register(this);
+    }
+
+    protected override void Dispose(bool disposing)
+    {
+        if (disposing)
+        {
+            CameraService.UnRegister(this);
+        }
+    }
+}