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XCEngine/docs/api/math/matrix4/get-scale.md
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801 B

Matrix4x4::GetScale

Vector3 GetScale() const

从变换矩阵中提取缩放分量。计算各列向量的长度作为缩放因子。

参数: (无)

返回: 缩放向量

线程安全:

复杂度: O(1)

示例:

#include "XCEngine/Core/Math/Matrix4.h"
#include "XCEngine/Core/Math/Vector3.h"

using namespace XCEngine::Math;

Matrix4 transform = Matrix4::TRS(
    Vector3(0.0f, 0.0f, 0.0f),
    Quaternion::Identity(),
    Vector3(2.0f, 3.0f, 4.0f)
);

Vector3 scale = transform.GetScale();
// scale = (2.0f, 3.0f, 4.0f)

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