scenemodifier.cpp Example File | Qt 3D 5.12.10

- Qt 5.12
- Qt 3D
- Qt 3D: Basic Shapes C++ Example
- scenemodifier.cpp Example File
- Qt 5.12.10 Reference Documentation

# scenemodifier.cpp Example File

basicshapes-cpp/scenemodifier.cpp

     /****************************************************************************
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     ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
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     #include "scenemodifier.h"

     #include <QtCore/QDebug>

     SceneModifier::SceneModifier(Qt3DCore::QEntity *rootEntity)
         : m_rootEntity(rootEntity)
     {

         // Torus shape data
         m_torus = new Qt3DExtras::QTorusMesh();
         m_torus->setRadius(1.0f);
         m_torus->setMinorRadius(0.4f);
         m_torus->setRings(100);
         m_torus->setSlices(20);

         // TorusMesh Transform
         Qt3DCore::QTransform *torusTransform = new Qt3DCore::QTransform();
         torusTransform->setScale(2.0f);
         torusTransform->setRotation(QQuaternion::fromAxisAndAngle(QVector3D(0.0f, 1.0f, 0.0f), 25.0f));
         torusTransform->setTranslation(QVector3D(5.0f, 4.0f, 0.0f));

         Qt3DExtras::QPhongMaterial *torusMaterial = new Qt3DExtras::QPhongMaterial();
         torusMaterial->setDiffuse(QColor(QRgb(0xbeb32b)));

         // Torus
         m_torusEntity = new Qt3DCore::QEntity(m_rootEntity);
         m_torusEntity->addComponent(m_torus);
         m_torusEntity->addComponent(torusMaterial);
         m_torusEntity->addComponent(torusTransform);

         // Cone shape data
         Qt3DExtras::QConeMesh *cone = new Qt3DExtras::QConeMesh();
         cone->setTopRadius(0.5);
         cone->setBottomRadius(1);
         cone->setLength(3);
         cone->setRings(50);
         cone->setSlices(20);

         // ConeMesh Transform
         Qt3DCore::QTransform *coneTransform = new Qt3DCore::QTransform();
         coneTransform->setScale(1.5f);
         coneTransform->setRotation(QQuaternion::fromAxisAndAngle(QVector3D(1.0f, 0.0f, 0.0f), 45.0f));
         coneTransform->setTranslation(QVector3D(0.0f, 4.0f, -1.5));

         Qt3DExtras::QPhongMaterial *coneMaterial = new Qt3DExtras::QPhongMaterial();
         coneMaterial->setDiffuse(QColor(QRgb(0x928327)));

         // Cone
         m_coneEntity = new Qt3DCore::QEntity(m_rootEntity);
         m_coneEntity->addComponent(cone);
         m_coneEntity->addComponent(coneMaterial);
         m_coneEntity->addComponent(coneTransform);

         // Cylinder shape data
         Qt3DExtras::QCylinderMesh *cylinder = new Qt3DExtras::QCylinderMesh();
         cylinder->setRadius(1);
         cylinder->setLength(3);
         cylinder->setRings(100);
         cylinder->setSlices(20);

         // CylinderMesh Transform
         Qt3DCore::QTransform *cylinderTransform = new Qt3DCore::QTransform();
         cylinderTransform->setScale(1.5f);
         cylinderTransform->setRotation(QQuaternion::fromAxisAndAngle(QVector3D(1.0f, 0.0f, 0.0f), 45.0f));
         cylinderTransform->setTranslation(QVector3D(-5.0f, 4.0f, -1.5));

         Qt3DExtras::QPhongMaterial *cylinderMaterial = new Qt3DExtras::QPhongMaterial();
         cylinderMaterial->setDiffuse(QColor(QRgb(0x928327)));

         // Cylinder
         m_cylinderEntity = new Qt3DCore::QEntity(m_rootEntity);
         m_cylinderEntity->addComponent(cylinder);
         m_cylinderEntity->addComponent(cylinderMaterial);
         m_cylinderEntity->addComponent(cylinderTransform);

         // Cuboid shape data
         Qt3DExtras::QCuboidMesh *cuboid = new Qt3DExtras::QCuboidMesh();

         // CuboidMesh Transform
         Qt3DCore::QTransform *cuboidTransform = new Qt3DCore::QTransform();
         cuboidTransform->setScale(4.0f);
         cuboidTransform->setTranslation(QVector3D(5.0f, -4.0f, 0.0f));

         Qt3DExtras::QPhongMaterial *cuboidMaterial = new Qt3DExtras::QPhongMaterial();
         cuboidMaterial->setDiffuse(QColor(QRgb(0x665423)));

         //Cuboid
         m_cuboidEntity = new Qt3DCore::QEntity(m_rootEntity);
         m_cuboidEntity->addComponent(cuboid);
         m_cuboidEntity->addComponent(cuboidMaterial);
         m_cuboidEntity->addComponent(cuboidTransform);

         // Plane shape data
         Qt3DExtras::QPlaneMesh *planeMesh = new Qt3DExtras::QPlaneMesh();
         planeMesh->setWidth(2);
         planeMesh->setHeight(2);

         // Plane mesh transform
         Qt3DCore::QTransform *planeTransform = new Qt3DCore::QTransform();
         planeTransform->setScale(1.3f);
         planeTransform->setRotation(QQuaternion::fromAxisAndAngle(QVector3D(1.0f, 0.0f, 0.0f), 45.0f));
         planeTransform->setTranslation(QVector3D(0.0f, -4.0f, 0.0f));

         Qt3DExtras::QPhongMaterial *planeMaterial = new Qt3DExtras::QPhongMaterial();
         planeMaterial->setDiffuse(QColor(QRgb(0xa69929)));

         // Plane
         m_planeEntity = new Qt3DCore::QEntity(m_rootEntity);
         m_planeEntity->addComponent(planeMesh);
         m_planeEntity->addComponent(planeMaterial);
         m_planeEntity->addComponent(planeTransform);

         // Sphere shape data
         Qt3DExtras::QSphereMesh *sphereMesh = new Qt3DExtras::QSphereMesh();
         sphereMesh->setRings(20);
         sphereMesh->setSlices(20);
         sphereMesh->setRadius(2);

         // Sphere mesh transform
         Qt3DCore::QTransform *sphereTransform = new Qt3DCore::QTransform();

         sphereTransform->setScale(1.3f);
         sphereTransform->setTranslation(QVector3D(-5.0f, -4.0f, 0.0f));

         Qt3DExtras::QPhongMaterial *sphereMaterial = new Qt3DExtras::QPhongMaterial();
         sphereMaterial->setDiffuse(QColor(QRgb(0xa69929)));

         // Sphere
         m_sphereEntity = new Qt3DCore::QEntity(m_rootEntity);
         m_sphereEntity->addComponent(sphereMesh);
         m_sphereEntity->addComponent(sphereMaterial);
         m_sphereEntity->addComponent(sphereTransform);
     }

     SceneModifier::~SceneModifier()
     {
     }

     void SceneModifier::enableTorus(bool enabled)
     {
         m_torusEntity->setEnabled(enabled);
     }

     void SceneModifier::enableCone(bool enabled)
     {
         m_coneEntity->setEnabled(enabled);
     }

     void SceneModifier::enableCylinder(bool enabled)
     {
         m_cylinderEntity->setEnabled(enabled);
     }

     void SceneModifier::enableCuboid(bool enabled)
     {
         m_cuboidEntity->setEnabled(enabled);
     }

     void SceneModifier::enablePlane(bool enabled)
     {
         m_planeEntity->setEnabled(enabled);
     }

     void SceneModifier::enableSphere(bool enabled)
     {
         m_sphereEntity->setEnabled(enabled);
     }