used to perform ray casting tests in 3d world coordinates. 更多...
| import 语句： | import Qt3D.Render 2.5 |
| 实例化： | QRayCaster |
The 3d ray is defined by its origin, direction and length. It will be affected by the transformations applied to the entity it belongs to.
Ray casting tests will be performed every frame as long as the component is enabled. The hits property will be updated with the list of intersections.
另请参阅 AbstractRayCaster , ScreenRayCaster ，和 NoPicking .
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direction : vector3D |
Holds the direction of the 3D ray. This should be a unit vector.
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length : real |
Holds the length of the 3d ray.
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origin : vector3d |
Holds the origin of the 3D ray in local coordinates.
