鬼的走路逻辑，状态机切换未写

Assets/Scenes/SampleScene.unity

@@ -1593,11 +1593,15 @@ MonoBehaviour:
   curstate: 0
   rb: {fileID: 0}
   anim: {fileID: 0}
-  PacMan: {fileID: 0}
+  pacMan: {fileID: 0}
-  ObstadeLayer:
+  obstadeLayer:
     serializedVersion: 2
     m_Bits: 512
-  speed: 240
+  castDistance: 1
+  boxWidth: 1.8
+  validColor: {r: 0, g: 1, b: 0, a: 1}
+  blockedColor: {r: 1, g: 0, b: 0, a: 1}
+  speed: 1000
   frightenedSpeed: 200
 --- !u!58 &319435255
 CircleCollider2D:
@@ -1633,7 +1637,7 @@ CircleCollider2D:
   m_UsedByComposite: 0
   m_Offset: {x: 0, y: 0}
   serializedVersion: 2
-  m_Radius: 0.77
+  m_Radius: 0.8
 --- !u!50 &319435256
 Rigidbody2D:
   serializedVersion: 4

Assets/Scripts/RedGhost.cs

@@ -1,7 +1,9 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using Unity.VisualScripting;
 using UnityEngine;
+using UnityEngine.UIElements;
 
 public class RedGhost : MonoBehaviour
 {
@@ -23,7 +25,14 @@ public class RedGhost : MonoBehaviour
     public LayerMask obstadeLayer;//墙的层级
 
     [Header("追击逃跑逻辑相关")]
-    private Vector2 currentDirection;
+    private Vector2 currentDirection;     //当前方向
+
+    // 新增射线参数
+    [Header("射线设置")]
+    public float castDistance = 1f;     // 射线检测长度
+    public float boxWidth = 0.3f;       // 射线宽度
+    public Color validColor = Color.green;  // 有效射线颜色
+    public Color blockedColor = Color.red;  // 受阻射线颜色
 
     public float speed;//基础速度
     public float frightenedSpeed;//逃跑速度
@@ -57,6 +66,7 @@ public class RedGhost : MonoBehaviour
         }
     }
 
+
    
     private void Idle()
     {
@@ -72,7 +82,6 @@ public class RedGhost : MonoBehaviour
     private void Chase()
     {
         UpdateMovement(pacMan.transform.position, true);
-        //anim.SetBool("Frightened", false);
     }
 
     private void Frightened()
@@ -87,6 +96,7 @@ public class RedGhost : MonoBehaviour
 
 
 
+
     // 核心移动逻辑（追击/逃跑共用）
     private void UpdateMovement(Vector2 targetPos, bool isChasing)
     {
@@ -98,8 +108,10 @@ public class RedGhost : MonoBehaviour
         {
             if (dir == -currentDirection) continue; // 循环到的方向等于当前的负方向，继续执行，禁止直接回头
 
-            RaycastHit2D hit = Physics2D.Raycast(transform.position, dir, 1f, obstadeLayer);//起始点，方向，长度，过滤器
+            // 使用BoxCast进行区域检测
-            if (hit.collider != null) continue;
+            bool isBlocked = Physics2D.BoxCast(transform.position,GetBoxSize(dir),0f,dir,castDistance,obstadeLayer);
+
+            if (isBlocked) continue;
 
             // 计算方向价值
             float distance = Vector2.Distance(rb.position + dir, targetPos);//当前坐标加方向向量和目标主角坐标的差值
@@ -115,9 +127,54 @@ public class RedGhost : MonoBehaviour
         if (bestDir != Vector2.zero)
         {
             currentDirection = bestDir;
-            rb.velocity = currentDirection * (curstate == GhostState.Frightened ? frightenedSpeed : speed);
+            rb.velocity = currentDirection.normalized * (curstate == GhostState.Frightened ? frightenedSpeed : speed) * Time.deltaTime;
-            //anim.SetFloat("DirX", currentDirection.x);
-            //anim.SetFloat("DirY", currentDirection.y);
         }
     }
+
+    // 根据方向获取不同的射线盒子尺寸
+    private Vector2 GetBoxSize(Vector2 direction)
+    {
+        return new Vector2(
+            direction.x = boxWidth,
+            direction.y = boxWidth
+        );
+    }
+
+    // 可视化射线
+    private void OnDrawGizmos()
+    {
+        if (!Application.isPlaying) return;
+
+        foreach (Vector2 dir in new[] { Vector2.up, Vector2.down, Vector2.left, Vector2.right })
+        {
+            Gizmos.color = Physics2D.BoxCast(transform.position, GetBoxSize(dir), 0f, dir, castDistance, obstadeLayer)
+                ? blockedColor
+                : validColor;
+
+            DrawBoxCastGizmo(
+                transform.position,
+                dir,
+                GetBoxSize(dir),
+                castDistance
+            );
+        }
+    }
+
+    // 绘制盒子投射区域
+    private void DrawBoxCastGizmo(Vector2 origin, Vector2 direction, Vector2 size, float distance)
+    {
+        Vector2 endPos = origin + direction * distance;
+
+        // 绘制起点和终点的盒子
+        Gizmos.DrawWireCube(origin, size);
+        Gizmos.DrawWireCube(endPos, size);
+
+        // 绘制连接线
+        Vector2 perpendicular = new Vector2(-direction.y, direction.x) * size.x / 2;
+        Vector2 edge1 = origin + perpendicular;
+        Vector2 edge2 = origin - perpendicular;
+        Gizmos.DrawLine(edge1, edge1 + direction * distance);
+        Gizmos.DrawLine(edge2, edge2 + direction * distance);
+    }
 }
+