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ssdfasd 63d0271a5b Fix broken links in Math API docs

Fix 30+ broken cross-references in docs/api/math/:
- viewport: viewport-getaspectratio/getrect -> getaspectratio/getrect
- matrix4: ../color/operator-mul -> operator_mul, operator-index -> operator_index
- matrix4/get-*: gettranslation/getscale/getrotation -> get-translation/-scale/-rotation
- vector3 operator links: operator_*_assign -> operator-*-assign
- vector3 operator links: operator_sub/add -> operator-sub/add
- vector3 operator-eq/neq: swap mutual references to use hyphen naming
- vector4: ../plane/constructor-default -> constructor_default
- Linter fixes: aabb and rectint relative paths corrected

2026-03-26 01:43:14 +08:00

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Matrix4x4::GetRotation

Quaternion GetRotation() const

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。

参数： （无）

返回： 旋转四元数

线程安全： ✅

复杂度： O(1)

示例：

#include "XCEngine/Math/Matrix4.h"
#include "XCEngine/Math/Quaternion.h"

using namespace XCEngine::Math;

Quaternion expected = Quaternion::FromEuler(0.0f, 90.0f, 0.0f);
Matrix4 transform = Matrix4::TRS(
    Vector3(0.0f, 0.0f, 0.0f),
    expected,
    Vector3(1.0f, 1.0f, 1.0f)
);

Quaternion rotation = transform.GetRotation();
// rotation 表示相同的旋转

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Matrix4x4::GetRotation

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