Qt Quick 3D - Lights Example | Qt Quick 3D 5.14.1

Qt 5.14 | Qt Quick 3D | Qt Quick 3D - Lights Example

Qt 5.14.1 Reference Documentation

# Qt Quick 3D - Lights Example

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      import QtQuick 2.14
      import QtQuick.Window 2.12
      import QtQuick3D 1.14

      Window {
          width: 1280
          height: 720
          visible: true
          title: qsTr("Lights Example")

          View3D {
              anchors.fill: parent

              environment: SceneEnvironment {
                  clearColor: "#808080"
                  backgroundMode: SceneEnvironment.Color
                  multisampleAAMode: SceneEnvironment.X4
              }

              PerspectiveCamera {
                  position: Qt.vector3d(0, 400, -600)
                  rotation: Qt.vector3d(30, 0, 0)
                  clipFar: 2000
              }

              DirectionalLight {
                  id: light1
                  color: Qt.rgba(1.0, 0.1, 0.1, 1.0)
                  ambientColor: Qt.rgba(0.1, 0.1, 0.1, 1.0)
                  position: Qt.vector3d(0, 200, 0)
                  rotation: Qt.vector3d(135, 90, 0)
                  shadowMapQuality: Light.ShadowMapQualityHigh
                  visible: checkBox1.checked
                  castsShadow: checkBoxShadows.checked
                  brightness: slider1.sliderValue
                  SequentialAnimation on rotation {
                      loops: Animation.Infinite
                      PropertyAnimation {
                          to: Qt.vector3d(45, 90, 0)
                          duration: 2000
                          easing.type: Easing.InOutQuad
                      }
                      PropertyAnimation {
                          to: Qt.vector3d(135, 90, 0)
                          duration: 2000
                          easing.type: Easing.InOutQuad
                      }
                  }
              }

              PointLight {
                  id: light2
                  color: Qt.rgba(0.1, 1.0, 0.1, 1.0)
                  ambientColor: Qt.rgba(0.1, 0.1, 0.1, 1.0)
                  position: Qt.vector3d(0, 300, 0)
                  shadowMapFar: 2000
                  shadowMapQuality: Light.ShadowMapQualityHigh
                  visible: checkBox2.checked
                  castsShadow: checkBoxShadows.checked
                  brightness: slider2.sliderValue
                  SequentialAnimation on x {
                      loops: Animation.Infinite
                      NumberAnimation {
                          to: 400
                          duration: 2000
                          easing.type: Easing.InOutQuad
                      }
                      NumberAnimation {
                          to: 0
                          duration: 2000
                          easing.type: Easing.InOutQuad
                      }
                  }
              }

              AreaLight {
                  id: light3
                  color: Qt.rgba(0.1, 0.1, 1.0, 1.0)
                  ambientColor: Qt.rgba(0.1, 0.1, 0.1, 1.0)
                  position: Qt.vector3d(-50, 250, -150)
                  rotation: Qt.vector3d(90, 0, 0)
                  width: 1000
                  height: 200
                  shadowMapFar: 2000
                  shadowMapQuality: Light.ShadowMapQualityHigh
                  visible: checkBox3.checked
                  castsShadow: checkBoxShadows.checked
                  brightness: slider3.sliderValue
                  SequentialAnimation on z {
                      loops: Animation.Infinite
                      NumberAnimation {
                          to: 150
                          duration: 2000
                          easing.type: Easing.InOutQuad
                      }
                      NumberAnimation {
                          to: -150
                          duration: 2000
                          easing.type: Easing.InOutQuad
                      }
                  }
              }

              Model {
                  source: "#Rectangle"
                  y: -200
                  scale: Qt.vector3d(15, 15, 15)
                  rotation: Qt.vector3d(90, 0, 0)
                  materials: [
                      DefaultMaterial {
                          diffuseColor: Qt.rgba(0.8, 0.6, 0.4, 1.0)
                      }
                  ]
              }
              Model {
                  source: "#Rectangle"
                  z: 400
                  scale: Qt.vector3d(15, 15, 15)
                  materials: [
                      DefaultMaterial {
                          diffuseColor: Qt.rgba(0.8, 0.8, 0.9, 1.0)
                      }
                  ]
              }

              Model {
                  source: "teapot.mesh"
                  y: -100
                  scale: Qt.vector3d(75, 75, 75)
                  materials: [
                      DefaultMaterial {
                          diffuseColor: Qt.rgba(0.9, 0.9, 0.9, 1.0)
                      }
                  ]

                  NumberAnimation  on rotation.y {
                      loops: Animation.Infinite
                      duration: 5000
                      from: 0
                      to: 360
                  }
              }

              Model {
                  source: "#Cube"
                  position: light1.position
                  rotation: light1.rotation
                  property real size: slider1.highlight ? 0.2 : 0.1
                  scale: Qt.vector3d(size, size, size)
                  materials: [
                      DefaultMaterial {
                          diffuseColor: light1.color
                          opacity: 0.4
                      }
                  ]
              }
              Model {
                  source: "#Cube"
                  position: light2.position
                  rotation: light2.rotation
                  property real size: slider2.highlight ? 0.2 : 0.1
                  scale: Qt.vector3d(size, size, size)
                  materials: [
                      DefaultMaterial {
                          diffuseColor: light2.color
                          opacity: 0.4
                      }
                  ]
              }
              Model {
                  source: "#Cube"
                  position: light3.position
                  rotation: light3.rotation
                  property real size: slider3.highlight ? 0.2 : 0.1
                  scale: Qt.vector3d(size, size, size)
                  materials: [
                      DefaultMaterial {
                          diffuseColor: light3.color
                          opacity: 0.4
                      }
                  ]
              }
          }

          Rectangle {
              anchors.fill: settingsArea
              anchors.margins: -10
              color: "#e0e0e0"
              border.color: "#000000"
              border.width: 1
              opacity: 0.8
          }

          Column {
              id: settingsArea
              anchors.top: parent.top
              anchors.topMargin: 20
              anchors.left: parent.left
              anchors.leftMargin: 20
              CustomCheckBox {
                  id: checkBoxShadows
                  text: qsTr("Enable Shadows")
                  checked: true
              }
              Item { width: 1; height: 40 }
              CustomCheckBox {
                  id: checkBox1
                  text: qsTr("Directional Light")
                  checked: true
              }
              CustomSlider {
                  id: slider1
                  sliderValue: 50
                  fromValue: 0
                  toValue: 100
              }
              Item { width: 1; height: 40 }
              CustomCheckBox {
                  id: checkBox2
                  text: qsTr("Point Light")
                  checked: true
              }
              CustomSlider {
                  id: slider2
                  sliderValue: 600
                  fromValue: 0
                  toValue: 1000
              }
              Item { width: 1; height: 40 }
              CustomCheckBox {
                  id: checkBox3
                  text: qsTr("Area Light")
                  checked: true
              }
              CustomSlider {
                  id: slider3
                  sliderValue: 200
                  fromValue: 0
                  toValue: 500
              }
          }
      }