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** This file is part of the test suite of the Qt Toolkit.
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import QtQuick 2.0
import Qt3D 2.0
import Qt3D.Shapes 2.0

Rectangle {
    id: container
    property string text:
        "This example nests Item3Ds with a rotation, a scale and a translate" +
        " transformation.  It should show a teapot spinning anti-clockwise, " +
        "growing and moving up-right relative to the initial camera, " +
        "and then reversing.";
    property variant camera: defaultCamera

    // Default values:
    property variant defaultCamera: Camera { eye: Qt.vector3d(0,5,30) }
    property real defaultWidth: 440
    property real defaultHeight: 300
    property real animationFactor: 0.0
    property real animationDuration: 2000

    SequentialAnimation on animationFactor {
        loops: Animation.Infinite
        PropertyAnimation {
            from: 0.0
            to: 1.0
            duration: animationDuration
        }
        PropertyAnimation {
            from: 1.0
            to: 0.0
            duration: animationDuration
        }
    }

    border.width: 2
    border.color: "black"
    radius: 5
    width: defaultWidth
    height: defaultHeight

    Text {
        id: textItem
        wrapMode: "WordWrap"
        horizontalAlignment: "AlignHCenter"
        text: container.text
        anchors.left: parent.left
        anchors.right: parent.right
    }

    Rectangle {
        id: viewportContainer
        anchors.left: parent.left
        anchors.right: parent.right
        anchors.margins: 1
        anchors.topMargin: 2
        anchors.top: textItem.bottom
        anchors.bottom: container.bottom
        color: "#aaccee"

        Viewport {
            id: view
            anchors.fill: parent
            picking: true
            camera: container.camera

            Item3D {
                transform: Translation3D {
                    translate: Qt.vector3d(testModel.translationX,
                                           testModel.translationY,
                                           testModel.translationZ)
                }
                Item3D {
                    transform: Rotation3D {
                        axis: Qt.vector3d(testModel.rotationAxisX,
                                          testModel.rotationAxisY,
                                          testModel.rotationAxisZ)
                        angle: testModel.rotationAngle
                    }

                    Teapot {
                        id: testModel
                        property real scaleX: 1 + (2.0 * animationFactor);
                        property real scaleY: 1 + (2.0 * animationFactor);
                        property real scaleZ: 1 + (2.0 * animationFactor);

                        property real rotationAngle: 360.0 * animationFactor;
                        property real rotationAxisX: 0.0;
                        property real rotationAxisY: 0.0;
                        property real rotationAxisZ: 1.0;

                        property real translationX:
                            4 * (2.0 * (animationFactor  -0.5));
                        property real translationY:
                            3 * (2.0 * (animationFactor - 0.5));
                        property real translationZ:
                            2 * (2.0 * (animationFactor - 0.5));

                        transform: Scale3D {
                            scale: Qt.vector3d(testModel.scaleX,
                                               testModel.scaleY,
                                               testModel.scaleZ)
                        }
                    }
                }
            }
        }
    }
}
