When added, this component signifies that the entity can
fly, and the pathfinder won't be restricted to paths where a
solid block is required underneath it.
Returns whether the component is valid. A component is
considered valid if its owner is valid, in addition to any
addition to any additional validation required by the
component.
当添加此组件时，表示该实体可以飞行，且寻路器不会被限制在需要下方有固体方块的路径上。
When added, this component signifies that the entity can fly, and the pathfinder won't be restricted to paths where a solid block is required underneath it.