一、Roll、Pitch、Yaw
![](https://file.jishuzhan.net/article/1773426162626727938/00344497e9d6e60d1fa92e9d822a79f0.webp)
Roll 围绕X轴旋转 飞机的翻滚角
Pitch 围绕Y轴旋转 飞机的俯仰角
Yaw 围绕Z轴旋转 飞机的航向角
二、Get Forward Vector理解
![](https://file.jishuzhan.net/article/1773426162626727938/1b6c0d26e1bacc41cdaf3bdc07cd8971.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/e4d2494cdfcbda0e285828ce3d7902c5.webp)
测试:
![](https://file.jishuzhan.net/article/1773426162626727938/95593d2fe69a84912f0ebf08c5c9a754.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/1ce542d08cc428b9eb8e8863880dd5fb.webp)
运行:
![](https://file.jishuzhan.net/article/1773426162626727938/128fb42e25af7402b5159aaa46149570.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/b06a2b12bee144930b1014a41b199bb6.webp)
三、Get Actor Rotation理解
![](https://file.jishuzhan.net/article/1773426162626727938/f874ae660f1d535819ff84eb310b0590.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/14894be03fa41a3a8478ca9a7cd95291.webp)
运行效果:
![](https://file.jishuzhan.net/article/1773426162626727938/9f2458bf10a57d475b14c9da4e07649c.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/299b4d84c528c0e8851cc5725152c664.webp)
拆分旋转体测试一:
![](https://file.jishuzhan.net/article/1773426162626727938/633116b256a0dd0b0698bdcc910c54e1.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/f97c362239f28befb98a09d9e07368ed.webp)
拆分旋转体测试二:
![](https://file.jishuzhan.net/article/1773426162626727938/c72d9e57df890f5e0d546a7916035e48.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/9327071fd9d815d86c3d0eb05d327bc9.webp)
拆分旋转体测试三:
![](https://file.jishuzhan.net/article/1773426162626727938/73a995b27fcf6ec5276b67f587fa653e.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/7b356c7d052a13051d2ee572830ae898.webp)
四、Rotate Vector:通俗理解是对A旋转B的角度。
![](https://file.jishuzhan.net/article/1773426162626727938/c2ef69dbbd9753c3d9edeabc7d054d86.webp)
B是旋转量,A是要旋转的向量,
![](https://file.jishuzhan.net/article/1773426162626727938/7735e8082214d79aa4427a7f266ad175.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/f96b86d2f182324344a34e5a579455df.webp)
也就是说(1,0,0)这个向量经过围绕Z轴旋转90就变成了(0,1,0)了。
再测试一组数试试:
![](https://file.jishuzhan.net/article/1773426162626727938/aa5cd8332c256e15022692c6c64f0127.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/b763025e09f1c9039c62c4dc0be7a099.webp)
再测试旋转体试试:
![](https://file.jishuzhan.net/article/1773426162626727938/7ac36c1cfc18634cfd6e22b2f371c909.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/9afed2c2a9e134cf8877710b2310c26d.webp)
再次测试:
![](https://file.jishuzhan.net/article/1773426162626727938/632652b1a3710724d81736520653f438.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/53fcf0a7267ac38dd3bd0e4047e58130.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/69d329376d3cbb776c1a59c71ab0a98e.webp)
![](https://file.jishuzhan.net/article/1773426162626727938/c424ba61bcc35c2b56bbcbbdf2e399f9.webp)