74 lines
2.9 KiB
C++
74 lines
2.9 KiB
C++
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#include "modelviewer.h"
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ModelViewer::ModelViewer(QWidget *parent)
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: QWidget{parent} {
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Qt3DExtras::Qt3DWindow *view = new Qt3DExtras::Qt3DWindow();
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view->defaultFrameGraph()->setClearColor(QColor(QRgb(0x4d4d4f)));
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QWidget *container = QWidget::createWindowContainer(view);
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QSize screenSize = view->screen()->size();
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container->setMinimumSize(QSize(200, 100));
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container->setMaximumSize(screenSize);
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QHBoxLayout *hLayout = new QHBoxLayout(this);
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QVBoxLayout *vLayout = new QVBoxLayout();
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vLayout->setAlignment(Qt::AlignTop);
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hLayout->addWidget(container, 1);
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hLayout->addLayout(vLayout);
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// Root entity
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Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity();
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// Camera
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Qt3DRender::QCamera *cameraEntity = view->camera();
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cameraEntity->lens()->setPerspectiveProjection(45.0f, 16.0f/9.0f, 0.1f, 1000.0f);
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cameraEntity->setPosition(QVector3D(0, 0, 50.0f)); // Move farther along Z-axis
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cameraEntity->setUpVector(QVector3D(0, 1, 0));
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cameraEntity->setViewCenter(QVector3D(0, 0, 0));
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Qt3DCore::QEntity *lightEntity = new Qt3DCore::QEntity(rootEntity);
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Qt3DRender::QPointLight *light = new Qt3DRender::QPointLight(lightEntity);
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light->setColor("white");
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light->setIntensity(1);
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lightEntity->addComponent(light);
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Qt3DCore::QTransform *lightTransform = new Qt3DCore::QTransform(lightEntity);
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lightTransform->setTranslation(cameraEntity->position());
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lightEntity->addComponent(lightTransform);
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// For camera controls
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Qt3DExtras::QFirstPersonCameraController *camController = new Qt3DExtras::QFirstPersonCameraController(rootEntity);
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camController->setCamera(cameraEntity);
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// Set root object of the scene
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view->setRootEntity(rootEntity);
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// Load custom 3D model
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Qt3DRender::QMesh *customMesh = new Qt3DRender::QMesh();
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customMesh->setSource(QUrl::fromLocalFile(":/obj/data/obj/defaultactor_LOD0.obj"));
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// Adjust the model transformation
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Qt3DCore::QTransform *customTransform = new Qt3DCore::QTransform();
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customTransform->setRotationX(-90);
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customTransform->setRotationY(-90);
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// Keep translation if necessary
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customTransform->setTranslation(QVector3D(0.0f, -100.0f, -200.0f));
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Qt3DExtras::QNormalDiffuseMapMaterial *customMaterial = new Qt3DExtras::QNormalDiffuseMapMaterial();
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Qt3DRender::QTextureLoader *normalMap = new Qt3DRender::QTextureLoader();
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normalMap->setSource(QUrl::fromLocalFile(":/obj/data/obj/normalmap.png"));
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customMaterial->setNormal(normalMap);
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Qt3DRender::QTextureLoader *diffuseMap = new Qt3DRender::QTextureLoader();
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diffuseMap->setSource(QUrl::fromLocalFile(":/obj/data/obj/diffusemap.png"));
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customMaterial->setDiffuse(diffuseMap);
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Qt3DCore::QEntity *m_torusEntity = new Qt3DCore::QEntity(rootEntity);
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m_torusEntity->addComponent(customMesh);
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m_torusEntity->addComponent(customMaterial);
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m_torusEntity->addComponent(customTransform);
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}
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