// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

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 children entities
    // that inherit its attributes (transformations, framegraph rendering)
    Entity {
        id : sceneRoot
        objectName : sceneRoot

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

                TechniqueFilter {

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

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

        // 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