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threading/: - Rename 19 camelCase method files to hyphenated names - task-system: createtaskgroup→create-task-group, etc. - tasksystemconfig: enabletaskprofiling→enable-task-profiling, etc. - thread: getcurrentid→get-current-id, etc. - task: addref→add-ref, getid→get-id, etc. math/: - Rename underscore operator files to hyphenated - vector3: operator_add→operator-add, etc. - matrix4: gettranslation→get-translation, etc. - vector4: tovector3→to-vector3, constructor_vector3→constructor-vector3 - sphere: sphere_constructor→sphere-constructor, etc. memory/: - Remove duplicate memorymanager/ folder (kept manager/ which was correct) core/: - filewriter: Consolidate ctor-default.md and ctor-file.md into constructor.md - Rename dtor.md→destructor.md debug/: - filelogsink: Rename construct.md→constructor.md, ~filelogsink.md→destructor.md All overview pages updated with new file references.
42 lines
917 B
Markdown
42 lines
917 B
Markdown
# Matrix4x4::GetRotation
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```cpp
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Quaternion GetRotation() const
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```
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从变换矩阵中提取旋转分量。将矩阵转换为对应的四元数表示。
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**参数：** （无）
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**返回：** 旋转四元数
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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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#include "XCEngine/Math/Matrix4.h"
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#include "XCEngine/Math/Quaternion.h"
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using namespace XCEngine::Math;
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Quaternion expected = Quaternion::FromEuler(0.0f, 90.0f, 0.0f);
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Matrix4 transform = Matrix4::TRS(
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Vector3(0.0f, 0.0f, 0.0f),
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expected,
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Vector3(1.0f, 1.0f, 1.0f)
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);
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Quaternion rotation = transform.GetRotation();
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// rotation 表示相同的旋转
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```
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## 相关文档
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- [Matrix4](matrix4.md) - 返回类总览
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- [Quaternion](../quaternion/quaternion.md) - 四元数类
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- [GetTranslation](gettranslation.md) - 获取平移分量
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- [GetScale](getscale.md) - 获取缩放分量
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- [Decompose](decompose.md) - 分解矩阵 |