Entity {
    id: sceneRoot

    property matrix4x4 marsMatrix


        Entity {
        id: marsEntity

        ...

        property Transform transformMars: Transform {
            matrix: {
                sceneRoot.marsMatrix = sceneRoot.resetMatrix(sceneRoot.marsMatrix)
                sceneRoot.marsMatrix.translate(Qt.vector3d(mars.x, mars.y, mars.z))
                sceneRoot.marsMatrix.rotate(mars.tilt, tiltAxis)
                sceneRoot.marsMatrix.rotate(mars.roll, rollAxis)
                sceneRoot.marsMatrix.scale(mars.r)
                return sceneRoot.marsMatrix
            }
        }

        components: [ mars, materialMars, transformMars ]
    }