21 lines
269 B
Markdown
21 lines
269 B
Markdown
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# OBB::GetAxis
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```cpp
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Vector3 GetAxis(int index) const
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```
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获取 OBB 的局部轴。
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**参数：**
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- `index` - 轴索引 (0=X, 1=Y, 2=Z)
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**返回：** `Vector3` - 对应的局部轴
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**复杂度：** O(1)
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**示例：**
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```cpp
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Vector3 xAxis = obb.GetAxis(0);
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```
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