Qt3DRender::QLayer Class
class Qt3DRender::QLayerQLayer 类提供了一种过滤要渲染的实体的方法。更多内容...
| 头文件： | #include <qlayer.h> |
| CMake： | find_package(Qt6 REQUIRED COMPONENTS 3drender) target_link_libraries(mytarget PRIVATE Qt6::3drender) |
| qmake： | QT += 3drender |
| 在 QML 中： | Layer |
| 继承自： | Qt3DCore::QComponent |
| 状态： | 已弃用 |
该类已弃用。我们强烈建议不要在新代码中使用它。
属性
- recursive : bool
公共函数
| QLayer(Qt3DCore::QNode *parent = nullptr) | |
| bool | recursive() const |
| void | setRecursive(bool recursive) |
信号
| void | recursiveChanged() |
详细说明
Qt3DRender::QLayer 与 FrameGraph 中的Qt3DRender::QLayerFilter 协同工作。
通过将递归属性设置为 true，可以将 QLayer 应用于实体的子树。
#include <Qt3DCore/QEntity>
#include <Qt3DRender/QGeometryRenderer>
#include <Qt3DRender/QLayer>
#include <Qt3DRender/QLayerFilter>
#include <Qt3DRender/QViewport>
// Scene
Qt3DCore::QEntity *rootEntity = new Qt3DCore::Qt3DCore::QEntity;
Qt3DCore::QEntity *renderableEntity = new Qt3DCore::Qt3DCore::QEntity(rootEntity);
Qt3DRender::QGeometryRenderer *geometryRenderer = new Qt3DCore::QGeometryRenderer(renderableEntity);
Qt3DRender::QLayer *layer1 = new Qt3DCore::QLayer(renderableEntity);
layer1->setRecursive(true);
renderableEntity->addComponent(geometryRenderer);
renderableEntity->addComponent(layer1);
...
// FrameGraph
Qt3DRender::QViewport *viewport = new Qt3DRender::QViewport;
Qt3DRender::QLayerFilter *layerFilter = new Qt3DRender::QLayerFilter(viewport);
layerFilter->addLayer(layer1);
...另请参阅 Qt3DRender::QLayerFilter 。
© 2026 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.
