qt-everywhere-src-5.15.1/qt3d/usecases/ReferencedFrameGraphConfiguration.qml

/****************************************************************************
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** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
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** This file is part of the Qt3D module of the Qt Toolkit.
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import QtQuick 2.1 as QQ2
import Qt3D 2.0

Node {
    // Node can contains any type of Node or QObject
    id : root
    objectName : "root"


    // Entity can be composed of components and child entities
    // than inherit its attributes (transformations, framegraph rendering)
    Entity {
        id : sceneRoot
        objectName : sceneRoot

        // This could be moved to another file
        FrameGraphConfiguration { // subclass of Component

            id : frameGraphConfiguration

            TechniqueFilter { // subclass of FrameGraphComponent

                Viewport { // subclass of FrameGraphComponent

                    viewportRect : Qt.rect(0,0,1,1)

                    CameraSelector {

                        camera : camera1 // Problem here, we cannot reference an Entity

                    } // CameraSelector
                } // ViewPort
            } // TechniqueFilter
        } // FrameGraphConfiguration

        property FrameGraph frameGraph : FrameGraph { // subclass of Component
            // activeFrameGraph: references the frameGraph
            // configuration
            activeFrameGraph : frameGraphConfiguration
        } // frameGraph

        // Cameras are Entity composed of an Optic component called Camera
        Entity {
            id : camera1
            objectName : "camera1"

            // Transform is a component
            // Contains transformation childComponents
            property Transform transform : Transform {
                LookAt {}
                Translate {}
                Scale {}
                Rotate {}
            }

            property Camera optics : Camera {
                projectionType: Camera.PerspectiveProjection
                fieldOfView: 22.5
                aspectRatio: 1920.0 / 1080.0
            }
        }

        Entity {
            id : testMesh
            objectName : "testMesh"

            property Mesh mesh : Mesh { // subclass of Component
                source : "test_mesh.obj"
            }

            property Material material : Material { // subclass of Component
                diffuseColor : "#00ff00"
                specularColor : "#00ff00"
            }
        }


    } // sceneRoot

} // root