Directions assign velocity for the emitted particles. 更多...
| 导入语句： | import QtQuick3D.Particles3D |
| Since: | Qt 6.2 |
| 继承： | QtObject |
| 继承者： | TargetDirection3D and VectorDirection3D |
The Direction3D is an abstract base class of directions like TargetDirection3D and VectorDirection3D .
