feat(Connect): 完成连线基本玩法，

Assets/Script/Gameplay/Connect/ConnectionLine.cs

@@ -0,0 +1,66 @@
+using System;
+using UnityEngine;
+
+namespace Script.Gameplay.Connect
+{
+    // 只负责在场景中绘制连接线，并处理信号传递
+    public class ConnectionLine : MonoBehaviour
+    {
+        [SerializeField] private MonoBehaviour monoSource;
+        [SerializeField] private MonoBehaviour monoTarget;
+        private IConnectable _output;
+        private IConnectable _input;
+
+        private LineRenderer line;
+
+        private void Awake()
+        {
+            _output = monoSource as IConnectable;
+            _input = monoTarget as IConnectable;
+
+            line = GetComponent<LineRenderer>();
+
+            if (_output != null && _input != null)
+            {
+                SetConnectable(_output, _input);
+            }
+        }
+
+        public void SetConnectable(IConnectable output, IConnectable input)
+        {
+            _output = output;
+            _input = input;
+            _output.IsConnectedOutput = true;
+            _input.IsConnectedInput = true;
+
+            line.SetPositions(new Vector3[]
+            {
+                _output.GetPosition(),
+                _input.GetPosition()
+            });
+        }
+
+        public void ReceiveSignal(bool active)
+        {
+            SendSignal(active);
+        }
+
+        private void SendSignal(bool active)
+        {
+            _input.ReceiveSignal(active,this.gameObject);
+        }
+
+        private void OnDestroy()
+        {
+            if (_output != null)
+            {
+                _output.IsConnectedOutput = false;
+            }
+
+            if (_input != null)
+            {
+                _input.IsConnectedInput = false;
+            }
+        }
+    }
+}