新增一个通用方法，整理初始化工程；

Core.meta

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Core/OMath.cs

+/*
+ *Copyright(C) 2020 by  Cyf All rights reserved.
+ *Unity版本：2021.3.11f1c2 
+ *作者:程一峰  
+ *创建日期: 2022-11-07 
+ *模块说明：数学库：木蝴蝶
+ *版本: 1.0
+*/
+
+using Unity.Mathematics;
+using UnityEngine;
+
+namespace Oroxylum
+{
+    /// <summary>
+    /// 通用数学库方法；
+    /// </summary>
+    public static class OMath 
+    {
+        #region 直线与平面交点
+
+        /// <summary>
+        /// 计算直线与平面的交点
+        /// 
+        /// 通用的部分；
+        /// 
+        /// ——程一峰；2020.11.09
+        /// </summary>
+        /// <param name="point">直线上某一点</param>
+        /// <param name="direct">直线的方向</param>
+        /// <param name="planeNormal">垂直于平面的的向量</param>
+        /// <param name="planePoint">平面上的任意一点</param>
+        /// <returns></returns>
+        public static Vector3 GetIntersectWithLineAndPlane(Vector3 point, Vector3 direct, Vector3 planeNormal, Vector3 planePoint)
+        {
+            float d = Vector3.Dot(planePoint - point, planeNormal) / Vector3.Dot(direct.normalized, planeNormal);
+            //直线与平面的交点
+            Vector3 hitPoint = (d * direct.normalized) + point;
+            return hitPoint;
+        }
+
+        /// <summary>
+        /// 点到直线的距离；
+        /// </summary>
+        /// <param name="point">目标点</param>
+        /// <param name="linePoint1">直线上一点</param>
+        /// <param name="linePoint2">直线上另一点</param>
+        /// <returns></returns>
+        public static float GetDistancePointToLine(Vector3 point, Vector3 linePoint1, Vector3 linePoint2)
+        {
+            Vector3 vec1 = point - linePoint1;
+            Vector3 vec2 = linePoint2 - linePoint1;
+            Vector3 vecProj = Vector3.Project(vec1, vec2);
+            float dis = Mathf.Sqrt(Mathf.Pow(Vector3.Magnitude(vec1), 2) - Mathf.Pow(Vector3.Magnitude(vecProj), 2));
+            return dis;
+        }
+
+        /// <summary>
+        /// 
+        /// 计算射线与平面的交点
+        /// 
+        /// 通用的部分；
+        /// 
+        /// ——程一峰；2020.11.17
+        /// </summary>
+        /// <param name="ray">射线</param>
+        /// <param name="planeNormal">垂直于平面的的向量</param>
+        /// <param name="planePoint">平面上的任意一点</param>
+        /// <returns></returns>
+        public static Vector3 GetIntersectWithLineAndPlane(Ray ray, Vector3 planeNormal, Vector3 planePoint) { return GetIntersectWithLineAndPlane(ray.origin, ray.direction, planeNormal, planePoint); }
+
+        /// <summary>
+        /// 
+        /// 计算射线与水平平面的交点
+        /// 
+        /// 通用的部分；
+        /// 
+        /// ——程一峰；2020.11.17
+        /// </summary>
+        /// <param name="ray">射线</param>
+        /// <param name="height">高度</param>
+        /// <returns></returns>
+        public static Vector3 GetIntersectWithLineAndPlane(Ray ray, float height)
+        {
+            var point = GetIntersectWithLineAndPlane(ray.origin, ray.direction, Vector3.up, new Vector3(0, height, 0));
+            point.y = height;
+            return point;
+        }
+
+        #endregion
+
+        #region 值转换
+
+        /// <summary>
+        /// 将 float4x4 转换为 Matrix4x4；
+        /// </summary>
+        /// <param name="value">float4x4</param>
+        /// <returns>Matrix4x4</returns>
+        public static Matrix4x4 ToMatrix4X4(this float4x4 value) { return new Matrix4x4(value.c0, value.c1, value.c2, value.c3); }
+
+        /// <summary>
+        /// 将 Matrix4x4 转换为 float4x4
+        /// </summary>
+        /// <param name="value">Matrix4x4</param>
+        /// <returns>float4x4</returns>
+        public static float4x4 ToFloat4X4(this Matrix4x4 value) { return new float4x4(value[0], value[1], value[2], value[3]); }
+
+        public static Vector2 XZ(this Vector3 v) { return new Vector2(v.x, v.z); }
+
+        public static float2 XZ_float2(this Vector3 v) { return new float2(v.x, v.z); }
+
+        #endregion
+
+        #region 值处理
+
+        public static Vector2 Clamp(this Vector2 source, Vector2 min, Vector2 max)
+        {
+            source.x = math.clamp(source.x, min.x, max.x);
+            source.y = math.clamp(source.y, min.y, max.y);
+            return source;
+        }
+
+        /// <summary>
+        /// 距离的平方；
+        /// </summary>
+        public static float DistanceSq(Vector3 a, Vector3 b)
+        {
+            float xSq = (a.x - b.x) * (a.x - b.x);
+            float ySq = (a.y - b.y) * (a.y - b.y);
+            float zSq = (a.z - b.z) * (a.z - b.z);
+            return xSq + ySq + zSq;
+        }
+
+        /// <summary>
+        /// 距离的平方；
+        /// </summary>
+        public static float DistanceSq(Vector2 a, Vector2 b)
+        {
+            float xSq = (a.x - b.x) * (a.x - b.x);
+            float ySq = (a.y - b.y) * (a.y - b.y);
+            return xSq + ySq;
+        }
+
+        #endregion
+    }
+}
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Core/Oroxylum.Core.asmdef

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package.json

+{
+  "name": "com.gygame.aoi",
+  "description": "AOI 管理工具",
+  "version": "1.0.2",
+  "unity": "2020.3",
+  "displayName": "GYGame.AOI",
+  "type": "library",
+  "documentationUrl": "https://m9hffu0znh.feishu.cn/wiki/wikcnh34zvUAPBhM6aR6MlTVPKh",
+  "dependencies": {
+    "com.unity.mathematics": "1.2.5"
+  },
+  "author": {
+    "name": "光宇游戏"
+  }
+}
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