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Assets/ModuleTools/VectorTool.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public static class VectorTool {
+    /// <summary> 向量的xyz和 </summary>
+    public static float VectorSum(this Vector3 v) {
+        return v.x + v.y + v.z;
+    }
+}