Qt Quick 3D - Custom Shaders Example


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  import QtQuick 2.12
  import QtQuick.Controls 2.12
  import QtQuick.Layouts 1.12

  Rectangle {
      property real time: time.sliderValue
      property real amplitude: amplitude.sliderValue

      color: "#6b7080"
      width: parent.width
      height: 35

      Component {
          id: propertySlider
          RowLayout {
              Label {
                  id: propText
                  text: name
                  color: "#222840"
                  font.pointSize: 12
              }
              Slider {
                  id: slider
                  from: fromValue
                  to: toValue
                  value: sliderValue
                  stepSize: 0.01
                  onValueChanged: sliderValue = value
                  Layout.minimumWidth: 200
                  Layout.maximumWidth: 200
                  background: Rectangle {
                      x: slider.leftPadding
                      y: slider.topPadding + slider.availableHeight / 2 - height / 2
                      implicitWidth: 200
                      implicitHeight: 4
                      width: slider.availableWidth
                      height: implicitHeight
                      radius: 1
                      color: "#222840"

                      Rectangle {
                          width: slider.visualPosition * parent.width
                          height: parent.height
                          color: "#848895"
                          radius: 1
                      }
                  }
                  handle: Rectangle {
                      x: slider.leftPadding + slider.visualPosition * (slider.availableWidth - width)
                      y: slider.topPadding + slider.availableHeight / 2 - height / 2
                      implicitWidth: 20
                      implicitHeight: 20
                      radius: 5
                      color: slider.pressed ? "#222840" : "#6b7080"
                      border.color: "#848895"
                  }
              }
              Label {
                  id: valueText
                  text: slider.value.toFixed(2)
                  color: "#222840"
                  font.pointSize: 12
                  font.bold: true
                  Layout.minimumWidth: 40
                  Layout.maximumWidth: 40
              }
          }
      }

      ColumnLayout {
          anchors.horizontalCenter: parent.horizontalCenter
          RowLayout {
              Loader {
                  id: time
                  property real sliderValue: 0.0
                  property string name: "Time"
                  property real fromValue: 0.0
                  property real toValue: 1.0
                  sourceComponent:  propertySlider
              }
              Loader {
                  id: amplitude
                  property real sliderValue: 5.0
                  property string name: "Amplitude"
                  property real fromValue: 1.0
                  property real toValue: 20.0
                  sourceComponent:  propertySlider
              }
          }
      }
  }