update

.gitignore

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+/UnityProject/Library
+/UnityProject/ProjectSettings
+/UnityProject/Packages
+/UnityProject/Logs
+/UnityProject/obj

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UnityProject/Assets/Scenes/SampleScene.unity.meta

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UnityProject/Assets/Tools/PhysicsUtils.cs

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+
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Runtime.InteropServices.ComTypes;
+using UnityEngine;
+
+public class PhysicsUtils : MonoBehaviour
+{
+    public GameObject startPoint;
+    public GameObject endPoint;
+    /// <summary>
+    /// 角度间隔
+    /// </summary>
+    public float angleInterval = 10.0f;
+    /// <summary>
+    /// 距离间隔
+    /// </summary>
+    public float distanceInterval = 0.1f;
+
+    //private int[][] list;
+    // Start is called before the first frame update
+    void Start()
+    {
+        StartRaycast();
+    }
+
+    void StartRaycast()
+    {
+        float dis = Vector3.Distance(startPoint.transform.position, endPoint.transform.position);
+        int disCount = (int)(dis / distanceInterval);
+        int angleCount = (int)(360.0f / angleInterval);
+        //list = new int[angleCount][];
+
+        Vector3 pos = new Vector3();
+        Vector3 direction = new Vector3();
+        pos.Set(startPoint.transform.position.x, startPoint.transform.position.y, startPoint.transform.position.z);
+
+        string data = "[";
+        int rayState = 0;
+        for (int zIndex = 0; zIndex < disCount; zIndex++)
+        {
+            //重置方向
+            direction.Set(0, -1, 0);
+            //list[xIndex] = new int[disCount];
+            if (zIndex > 0)
+            {
+                data += ",[";
+            }
+            else
+            {
+                data += "[";
+            }
+            for (int xIndex = 0; xIndex < angleCount; xIndex++)
+            {
+                pos.z = startPoint.transform.position.z + zIndex * distanceInterval;
+                //旋转向量
+                direction = Quaternion.Euler(0, 0, xIndex * distanceInterval) * direction;
+                if (Physics.Raycast(pos, direction))
+                {
+                    rayState = 1;
+                }
+                else
+                {
+                    rayState = 0;
+                }
+
+                //list[xIndex][zIndex] = rayState;
+                data += rayState.ToString();
+            }
+            data += "]";
+        }
+        data += "]";
+        WriteFile("D:/cocos/StarRacing/LevelTools/Raycast.json", data);
+    }
+
+    /// <summary>
+    /// path需要包含文件的后缀名
+    /// </summary>
+    /// <param name="path">路径</param>
+    /// <param name="con">需要写入的数据</param>
+    public void WriteFile(string path, string con = "")
+    {
+        string str = con;
+        //若是直接在文件里添加数据，则采用重写方法，将append设置为true
+        var file = new StreamWriter(path, true);
+        //var file = new StreamWriter(path);
+        //file.WriteLine(str);
+        file.Write(str);
+        file.Close();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+}

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UnityProject/UnityProject.sln

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+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{5B580621-09B4-68CB-B5F4-5B9DD210A60F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5B580621-09B4-68CB-B5F4-5B9DD210A60F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5B580621-09B4-68CB-B5F4-5B9DD210A60F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5B580621-09B4-68CB-B5F4-5B9DD210A60F}.Release|Any CPU.Build.0 = Release|Any CPU
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+	EndGlobalSection
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