18 lines
216 B
Markdown
18 lines
216 B
Markdown
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# Matrix4::Identity
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```cpp
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static Matrix4 Identity()
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```
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返回 4x4 单位矩阵。
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**返回：** `Matrix4` - 单位矩阵
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**复杂度：** O(1)
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**示例：**
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```cpp
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Matrix4 identity = Matrix4::Identity();
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```
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