(client) feat:实现实体动态创建，实体右键菜单

Co-authored-by: m0_75251201 <m0_75251201@noreply.gitcode.com>
Reviewed-on: #41

Client/Assets/Scripts/Prefab/SpriteAnimator.cs

@@ -0,0 +1,90 @@
+using Base;
+using UnityEngine;
+
+namespace Prefab
+{
+    [RequireComponent(typeof(SpriteRenderer))]
+    public class SpriteAnimator : MonoBehaviour, ITick
+    {
+        // 公开字段（可在编辑器中设置）
+        [SerializeField] private Sprite[] _sprites; // 动画精灵序列
+        [SerializeField] private float _fps = 2; // 每秒帧数
+        [SerializeField] private Sprite _staticSprite; // 暂停时的静态精灵
+
+        private SpriteRenderer _renderer; // 渲染器组件
+        private bool _isPaused; // 暂停状态
+        private float _frameTimer; // 帧计时器
+        private int _currentFrameIndex; // 当前帧索引
+
+        private void Awake()
+        {
+            _renderer = GetComponent<SpriteRenderer>();
+            ValidateStartFrame();
+        }
+
+        // ITick接口实现
+        public void Tick()
+        {
+            var deltaTime=Time.deltaTime;
+            if (_isPaused)
+            {
+                HandlePausedState();
+                return;
+            }
+
+            PlayAnimation(deltaTime);
+        }
+
+        private void ValidateStartFrame()
+        {
+            // 确保有精灵时可显示有效帧
+            if (_sprites != null && _sprites.Length > 0)
+            {
+                _currentFrameIndex = Mathf.Clamp(_currentFrameIndex, 0, _sprites.Length - 1);
+                _renderer.sprite = _sprites[_currentFrameIndex];
+            }
+            else
+            {
+                _renderer.sprite = null;
+            }
+        }
+
+        private void HandlePausedState()
+        {
+            // 优先使用静态精灵，否则保持当前帧
+            if (_staticSprite)
+            {
+                _renderer.sprite = _staticSprite;
+            }
+        }
+
+        private void PlayAnimation(float deltaTime)
+        {
+            if (_sprites == null || _sprites.Length == 0) return;
+
+            // 更新帧计时器
+            _frameTimer += deltaTime;
+            float frameDuration = 1f / _fps;
+
+            // 检查帧切换条件
+            while (_frameTimer >= frameDuration)
+            {
+                _frameTimer -= frameDuration;
+                NextFrame();
+            }
+        }
+
+        private void NextFrame()
+        {
+            // 循环播放动画
+            _currentFrameIndex = (_currentFrameIndex + 1) % _sprites.Length;
+            _renderer.sprite = _sprites[_currentFrameIndex];
+        }
+
+        // 外部控制方法
+        public void SetPaused(bool paused) => _isPaused = paused;
+        public void SetSprites(Sprite[] newSprites) => _sprites = newSprites;
+        public void SetFPS(float newFPS) => _fps = Mathf.Max(0.1f, newFPS);
+        public void SetStaticSprite(Sprite sprite) => _staticSprite = sprite;
+    }
+}