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: 0.6
              },
              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: 2000
                          easing.type: Easing.InOutQuad
                      }

                      NumberAnimation {
                          target: spotLightTransform
                          property: "rotationZ"
                          from: 60; to: -60
                          duration: 2000
                          easing.type: Easing.InOutQuad
                      }
                  }
              }
          ]
      }
  }