Lights.qml Example File

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 import QtQuick 2.1
 import Qt3D.Core 2.0
 import Qt3D.Render 2.0
 import Qt3D.Input 2.0
 import Qt3D.Extras 2.0

 Entity {
     id: lights

     // Point Light (pulsing)
     Entity {
         components: [
             PointLight {
                 color: "red"
                 intensity: 0.3
                 constantAttenuation: 1.0
                 linearAttenuation: 0.0
                 quadraticAttenuation: 0.0025

                 NumberAnimation on intensity {
                     from: 0.3; to: 0.8;
                     running: true
                     loops: Animation.Infinite
                     duration: 1000
                     easing.type: Easing.CosineCurve
                 }
             },
             Transform {
                 translation: Qt.vector3d(0.0, 5.0, 0.0)
             }
         ]
     }

     // 2 x Directional Lights (steady)
     Entity {
         components: [
             DirectionalLight {
                 worldDirection: Qt.vector3d(0.3, -3.0, 0.0).normalized();
                 color: "#fbf9ce"
                 intensity: 0.3
             }
         ]
     }

     Entity {
         components: [
             DirectionalLight {
                 worldDirection: Qt.vector3d(-0.3, -0.3, 0.0).normalized();
                 color: "#9cdaef"
                 intensity: 0.15
             }
         ]
     }

     // Spot Light (sweeping)
     Entity {
         components: [
             SpotLight {
                 localDirection: Qt.vector3d(0.0, -1.0, 0.0)
                 color: "white"
                 intensity: 5.0
             },
             Transform {
                 id: spotLightTransform
                 translation: Qt.vector3d(0.0, 5.0, 0.0)
                 rotationZ: -60.0

                 SequentialAnimation {
                     loops: Animation.Infinite
                     running: true

                     NumberAnimation {
                         target: spotLightTransform
                         property: "rotationZ"
                         from: -60; to: 60
                         duration: 4000
                         easing.type: Easing.InOutQuad
                     }

                     NumberAnimation {
                         target: spotLightTransform
                         property: "rotationZ"
                         from: 60; to: -60
                         duration: 4000
                         easing.type: Easing.InOutQuad
                     }
                 }
             }
         ]
     }
 }