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XCEngine/docs/api/math/transform/inverse.md

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# Transform::Inverse
```cpp
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Transform Inverse() const;
```
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返回当前变换的逆变换。逆变换满足 `transform * transform.Inverse() == Identity()`
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计算方式:
- 旋转取反:先计算旋转的逆(四元数共轭)
- 缩放送原:取倒数
- 位置:将原点相对于当前点的偏移,经逆旋转和逆缩放后取反
**参数:** 无
**返回:** `Transform` - 当前变换的逆变换
**线程安全:** ❌(无锁,非线程安全)
**复杂度:** O(1)
**示例:**
```cpp
#include "XCEngine/Core/Math/Transform.h"
#include "XCEngine/Core/Math/Vector3.h"
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using namespace XCEngine::Math;
void InverseExample() {
Transform transform;
transform.position = Vector3(10.0f, 0.0f, 0.0f);
transform.rotation = Quaternion::Identity();
transform.scale = Vector3(2.0f, 2.0f, 2.0f);
Transform inverse = transform.Inverse();
Transform identity = transform * inverse;
}
```
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## 相关文档
- [Transform](transform.md) - 返回类总览