qt-everywhere-src-5.15.1/qt3d/tests/manual/scene3d-visibility/main.qml

/****************************************************************************
**
** Copyright (C) 2019 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

import QtQuick 2.14
import Qt3D.Core 2.14
import Qt3D.Render 2.14
import Qt3D.Input 2.14
import Qt3D.Extras 2.14
import QtQuick.Scene3D 2.14

Item {
    id: root

    Timer {
        running: true
        repeat: true
        interval: 2000
        onTriggered: scene3d.visible = !scene3d.visible
    }

    // Scene3D
    Scene3D {
        id: scene3d
        visible: false
        readonly property double halfWidth: width * 0.5

        focus: true
        anchors.fill: parent
        // Make sure to define the input aspect if we want to handle inputs
        aspects: ["render", "input"]
        multisample: false

        Entity { // Root
            id: sceneRoot
            components: [
                RenderSettings {
                    activeFrameGraph: ForwardRenderer {
                        id: forwardRenderer
                        camera: mainCamera
                        clearColor: "yellow"
                    }
                },
                // Event Source is the Scene3D in that case
                InputSettings { }
            ]

            Camera {
                id: mainCamera
                projectionType: CameraLens.PerspectiveProjection
                fieldOfView: 45
                nearPlane : 0.1
                farPlane : 1000.0
                position: Qt.vector3d( 0.0, 0.0, -40.0 )
                upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
                viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 )
            }

            PhongMaterial {
                id: material
            }

            TorusMesh {
                id: torusMesh
                radius: 5
                minorRadius: 1
                rings: 100
                slices: 20
            }

            SphereMesh {
                id: sphereMesh
                radius: 3
            }

            Transform {
                id: torusTransform
                scale3D: Qt.vector3d(1.5, 1, 0.5)
                rotation: fromAxisAndAngle(Qt.vector3d(1, 0, 0), 45)
            }

            Transform {
                id: sphereTransform
                property real userAngle: 0.0
                matrix: {
                    var m = Qt.matrix4x4();
                    m.rotate(userAngle, Qt.vector3d(0, 1, 0));
                    m.translate(Qt.vector3d(20, 0, 0));
                    return m;
                }

                onWorldMatrixChanged: console.log("Sphere WorldMatrix " + worldMatrix)
            }

            NumberAnimation {
                target: sphereTransform
                property: "userAngle"
                duration: 1000
                from: 0
                to: 360
                loops: Animation.Infinite
                running: true
            }

            Entity {
                id: torusEntity
                components: [ torusMesh, material, torusTransform ]
            }
            Entity {
                id: sphereEntity
                components: [ sphereMesh, material, sphereTransform ]
            }
        }
    }
}