docs: update math API docs

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2026-03-20 02:35:15 +08:00
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# Vector3::operator*=
```cpp
Vector3& operator*=(float scalar)
```
向量标量乘法赋值,将当前向量的每个分量乘以标量值。
**参数:**
- `scalar` - 标量值
**返回:** `Vector3&` - 引用到修改后的当前向量
**线程安全:**
**复杂度:** O(1)
**示例:**
```cpp
Vector3 v(1.0f, 2.0f, 3.0f);
v *= 2.0f; // v = (2.0f, 4.0f, 6.0f)
```
## 相关文档
- [Vector3 类总览](vector3.md) - 返回类总览
- [`operator*`](operator_mul.md) - 乘法运算
- [`operator/=`](operator_div_assign.md) - 除法赋值