18 lines
264 B
Markdown
18 lines
264 B
Markdown
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# Quaternion::Identity
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```cpp
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static Quaternion Identity()
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```
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返回恒等四元数（无旋转）。
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**返回：** `Quaternion` - 值为 (0, 0, 0, 1) 的四元数
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**复杂度：** O(1)
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**示例：**
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```cpp
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Quaternion identity = Quaternion::Identity();
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```
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