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docs/api/math/vector3/normalize.md

@@ -0,0 +1,20 @@
+# Vector3::Normalize
+
+```cpp
+static Vector3 Normalize(const Vector3& v)
+```
+
+将向量归一化为单位长度。如果向量长度接近零，返回零向量。
+
+**参数：**
+- `v` - 要归一化的向量
+
+**返回：** `Vector3` - 归一化后的单位向量
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+Vector3 dir = Vector3::Normalize(Vector3(3.0f, 4.0f, 0.0f));  // (0.6f, 0.8f, 0)
+```