27 lines
476 B
Markdown
27 lines
476 B
Markdown
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# Vector4::operator-
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```cpp
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Vector4 operator-() const
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```
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一元负号运算符，返回当前向量的负向量。
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**返回：** `Vector4` - 每个分量取负的新向量
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**线程安全：** ✅
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**复杂度：** O(1)
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**示例：**
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```cpp
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Vector4 v(1.0f, 2.0f, 3.0f, 4.0f);
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Vector4 neg = -v; // (-1.0f, -2.0f, -3.0f, -4.0f)
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```
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## 相关文档
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- [Vector4 总览](vector4.md)
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- [`operator+`](operator-add.md) - 加法
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- [`operator-`](operator-sub.md) - 二元减法
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