Nio74
6th February 2018, 13:04
Good morning I'm Paul and I'm trying to show a mesh but it does not work, you have to put a texture on it?
Main.cpp
#include <Qt3DQuickExtras/qt3dquickwindow.h>
#include <Qt3DQuick/QQmlAspectEngine>
#include <QGuiApplication>
#include <QtQml>
int main(int argc, char **argv)
{
QGuiApplication app(argc, argv);
Qt3DExtras::Quick::Qt3DQuickWindow view;
// Expose the window as a context property so we can set the aspect ratio
view.engine()->qmlEngine()->rootContext()->setContextProperty("_window", &view);
view.setSource(QUrl("qrc:/main.qml"));
view.setWidth(800);
view.setHeight(600);
view.show();
return app.exec();
}
Main.qml
import Qt3D.Core 2.0
import Qt3D.Render 2.0
import Qt3D.Input 2.0
import Qt3D.Extras 2.0
Entity {
id: sceneRoot
Camera {
id: camera
projectionType: CameraLens.PerspectiveProjection
fieldOfView: 25
aspectRatio: _window.width / _window.height
nearPlane : 0.1
farPlane : 1000.0
position: Qt.vector3d( 0, 0.0, 20.0 )
upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 )
}
OrbitCameraController {
camera: camera
}
components: [
RenderSettings {
activeFrameGraph: ForwardRenderer {
clearColor: Qt.rgba(0, 0.5, 1, 1)
camera: camera
}
},
InputSettings { }
]
PhongMaterial {
id: carMaterial
}
Mesh {
id: carMesh
source: "SferaStl.stl"
}
Entity {
id: carEntity
components: [ carMesh, carMaterial ]
}
}
File.pro
QT += 3dextras widgets 3dcore 3drender 3dinput 3dquick qml quick 3dquickextras
CONFIG += c++11
# The following define makes your compiler emit warnings if you use
# any feature of Qt which as been marked deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS
# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
SOURCES += main.cpp
RESOURCES += qml.qrc\
# Additional import path used to resolve QML modules in Qt Creator's code model
QML_IMPORT_PATH =
# Additional import path used to resolve QML modules just for Qt Quick Designer
QML_DESIGNER_IMPORT_PATH =
# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target
DISTFILES += \
main.qml \
SUBDIRS += \
untitled1.pro
The program starts and the window appears but you do not see the mesh that is located on the root
Main.cpp
#include <Qt3DQuickExtras/qt3dquickwindow.h>
#include <Qt3DQuick/QQmlAspectEngine>
#include <QGuiApplication>
#include <QtQml>
int main(int argc, char **argv)
{
QGuiApplication app(argc, argv);
Qt3DExtras::Quick::Qt3DQuickWindow view;
// Expose the window as a context property so we can set the aspect ratio
view.engine()->qmlEngine()->rootContext()->setContextProperty("_window", &view);
view.setSource(QUrl("qrc:/main.qml"));
view.setWidth(800);
view.setHeight(600);
view.show();
return app.exec();
}
Main.qml
import Qt3D.Core 2.0
import Qt3D.Render 2.0
import Qt3D.Input 2.0
import Qt3D.Extras 2.0
Entity {
id: sceneRoot
Camera {
id: camera
projectionType: CameraLens.PerspectiveProjection
fieldOfView: 25
aspectRatio: _window.width / _window.height
nearPlane : 0.1
farPlane : 1000.0
position: Qt.vector3d( 0, 0.0, 20.0 )
upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 )
}
OrbitCameraController {
camera: camera
}
components: [
RenderSettings {
activeFrameGraph: ForwardRenderer {
clearColor: Qt.rgba(0, 0.5, 1, 1)
camera: camera
}
},
InputSettings { }
]
PhongMaterial {
id: carMaterial
}
Mesh {
id: carMesh
source: "SferaStl.stl"
}
Entity {
id: carEntity
components: [ carMesh, carMaterial ]
}
}
File.pro
QT += 3dextras widgets 3dcore 3drender 3dinput 3dquick qml quick 3dquickextras
CONFIG += c++11
# The following define makes your compiler emit warnings if you use
# any feature of Qt which as been marked deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS
# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
SOURCES += main.cpp
RESOURCES += qml.qrc\
# Additional import path used to resolve QML modules in Qt Creator's code model
QML_IMPORT_PATH =
# Additional import path used to resolve QML modules just for Qt Quick Designer
QML_DESIGNER_IMPORT_PATH =
# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target
DISTFILES += \
main.qml \
SUBDIRS += \
untitled1.pro
The program starts and the window appears but you do not see the mesh that is located on the root