暴风魔镜俯视围绕某个中心点旋转的解决
本文共 189 字，大约阅读时间需要 1 分钟。
如果我们俯视时代码不做处理，在摇动头盔时，目标点会随着头盔的转动，从视野中消失，但是加上下面的代码后，不管你怎么转动头盔，目标点始终会在视野内
实现很简单： 就几行代码
代码虽少，但是考察至少两个知识点：
1 数学上方向向量的理解，这个知识在超级玛丽游戏中相机旋转模块上也有很好的体现 2 对魔镜场景中的对象层次结构有深入理解FR:徐海涛（QQ技术交流群：386476712）
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