Qt Quick 3D - Principled Material Example

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 import QtQuick 2.15
 import QtQuick.Window 2.14
 import QtQuick3D 1.15

 Window {
     id: window
     width: 1280
     height: 720
     visible: true
     title: "Principled Materials Example"

     MaterialControl {
         id: materialCtrl
         anchors.top: parent.top
         anchors.horizontalCenter: parent.horizontalCenter
     }

     View3D {
         anchors.fill: parent
         camera: camera
         renderMode: View3D.Underlay

         // Rotate the light direction
         DirectionalLight {
             eulerRotation.y: -100
             brightness: 100
             SequentialAnimation on eulerRotation.y {
                 loops: Animation.Infinite
                 PropertyAnimation {
                     duration: 5000
                     to: 360
                     from: 0
                 }
             }
         }

         environment: SceneEnvironment {
             probeBrightness: 100
             clearColor: "#848895"

             backgroundMode: SceneEnvironment.Color
             lightProbe: Texture {
                 source: "maps/OpenfootageNET_garage-1024.hdr"
             }
         }

         PerspectiveCamera {
             id: camera
             position: Qt.vector3d(0, 0, 600)
         }

         Model {
             position: Qt.vector3d(-250, -30, 0)
             scale: Qt.vector3d(4, 4, 4)
             source: "#Sphere"
             materials: [ PrincipledMaterial {
                     baseColor: "#41cd52"
                     metalness: materialCtrl.metalness
                     roughness: materialCtrl.roughness
                     specularAmount: materialCtrl.specular
                     indexOfRefraction: materialCtrl.ior
                     specularTint: materialCtrl.specularTint
                     opacity: materialCtrl.opacityValue
                 }
             ]
         }

         Model {
             position: Qt.vector3d(250, -30, 0)
             scale: Qt.vector3d(4, 4, 4)
             source: "#Sphere"
             materials: [ PrincipledMaterial {
                     metalness: materialCtrl.metalness
                     roughness: materialCtrl.roughness
                     specularAmount: materialCtrl.specular
                     indexOfRefraction: materialCtrl.ior
                     opacity: materialCtrl.opacityValue

                     baseColorMap: Texture { source: "maps/metallic/basecolor.jpg" }
                     metalnessMap: Texture { source: "maps/metallic/metallic.jpg" }
                     roughnessMap: Texture { source: "maps/metallic/roughness.jpg" }
                     normalMap: Texture { source: "maps/metallic/normal.jpg" }

                     metalnessChannel: Material.R
                     roughnessChannel: Material.R
                 }
             ]

             SequentialAnimation on eulerRotation {
                 loops: Animation.Infinite
                 PropertyAnimation {
                     duration: 5000
                     from: Qt.vector3d(0, 0, 0)
                     to: Qt.vector3d(360, 360, 360)
                 }
             }
         }
     }
 }