scenemodifier.cpp Example File

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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);
  }