main.qml Example File

layersinquick/main.qml

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  import QtQuick 2.8
  import QtStudio3D 2.2
  import QtQuick.Controls 2.2

  Rectangle {
      id: root
      color: "lightGray"

      Button {
          id: profBtn
          text: "Profile UI"
          // we use a Studio3DProfiler item so toggle that instead of pres.profileUiVisible
          onClicked: quickBasedProfileUI.visible = !quickBasedProfileUI.visible
          focusPolicy: Qt.NoFocus
      }

      CheckBox {
          id: shaderEffectCb
          text: "ShaderEffect"
          checked: true
          anchors.left: profBtn.right
          focusPolicy: Qt.NoFocus
      }

      CheckBox {
          id: sizeFollowCb
          text: "Layer follows View size"
          checked: true
          anchors.left: shaderEffectCb.right
          focusPolicy: Qt.NoFocus
      }

      CheckBox {
          id: msaaCb
          text: "SSAA/MSAA version"
          checked: false
          anchors.left: sizeFollowCb.right
          focusPolicy: Qt.NoFocus
      }

      Studio3D {
          id: s3d
          anchors.fill: parent
          anchors.margins: 40

          Presentation {
              id: pres
              source: msaaCb.checked ? "qrc:/layers_ssaa_msaa.uip" : "qrc:/layers.uip"
              profilingEnabled: true
          }
      }

      Rectangle {
          y: 40
          width: parent.width / 2
          height: parent.height - 40
          color: "red"

          View3D {
              id: viewFor3DLayer1
              engine: s3d
              source: "LayerWithTransparentBackground"
              sizeLayerToView: sizeFollowCb.checked

              anchors.fill: parent
              anchors.margins: 10

              property bool shaderEffectActive: shaderEffectCb.checked
              visible: !shaderEffectActive
          }

          ShaderEffectSource {
              id: effSource
              sourceItem: viewFor3DLayer1
              visible: viewFor3DLayer1.shaderEffectActive
          }

          ShaderEffect {
              visible: viewFor3DLayer1.shaderEffectActive
              anchors.fill: parent
              anchors.margins: 10
              property variant source: effSource
              property real amplitude: 0.02
              property real frequency: 20
              property real time: 0
              NumberAnimation on time { loops: Animation.Infinite; from: 0; to: Math.PI * 2; duration: 600 }
              fragmentShader: GraphicsInfo.profile === GraphicsInfo.OpenGLCoreProfile ?
                  "#version 330 core\n" +
                  "uniform float qt_Opacity;\n" +
                  "uniform float amplitude;\n" +
                  "uniform float frequency;\n" +
                  "uniform float time;\n" +
                  "uniform sampler2D source;\n" +
                  "in vec2 qt_TexCoord0;\n" +
                  "out vec4 fragColor;\n" +
                  "void main() {\n" +
                  "    vec2 p = sin(time + frequency * qt_TexCoord0);\n" +
                  "    fragColor = texture(source, qt_TexCoord0 + amplitude * vec2(p.y, -p.x)) * qt_Opacity;\n" +
                  "}"
                                :
                  "uniform float qt_Opacity;\n" +
                  "uniform float amplitude;\n" +
                  "uniform float frequency;\n" +
                  "uniform float time;\n" +
                  "uniform sampler2D source;\n" +
                  "varying vec2 qt_TexCoord0;\n" +
                  "void main() {\n" +
                  "    vec2 p = sin(time + frequency * qt_TexCoord0);\n" +
                  "    gl_FragColor = texture2D(source, qt_TexCoord0 + amplitude * vec2(p.y, -p.x)) * qt_Opacity;\n" +
                  "}"
          }

          Text {
              text: "This here is a View3D in a Rectangle\ndisplaying only one layer from the Qt 3D Studio scene"
              color: "black"
              font.pointSize: 16
          }
      }

      Rectangle {
          x: parent.width / 2
          y: 40
          width: parent.width / 2
          height: parent.height - 40
          color: "green"

          View3D {
              id: viewFor3DLayer2
              engine: s3d
              source: "LayerWithSolidBackground"
              sizeLayerToView: sizeFollowCb.checked

              anchors.fill: parent
              anchors.margins: 10

              transform: [
                  Rotation { id: rotation; axis.x: 0; axis.z: 0; axis.y: 1; angle: 0; origin.x: viewFor3DLayer2.width / 2; origin.y: viewFor3DLayer2.height / 2; },
                  Translate { id: txOut; x: -viewFor3DLayer2.width / 2; y: -viewFor3DLayer2.height / 2 },
                  Scale { id: scale; },
                  Translate { id: txIn; x: viewFor3DLayer2.width / 2; y: viewFor3DLayer2.height / 2 }
              ]

              SequentialAnimation {
                  PauseAnimation { duration: 2000 }
                  ParallelAnimation {
                      NumberAnimation { target: scale; property: "xScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack }
                      NumberAnimation { target: scale; property: "yScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack }
                  }
                  NumberAnimation { target: rotation; property: "angle"; to: 80; duration: 1000; easing.type: Easing.InOutCubic }
                  NumberAnimation { target: rotation; property: "angle"; to: -80; duration: 1000; easing.type: Easing.InOutCubic }
                  NumberAnimation { target: rotation; property: "angle"; to: 0; duration: 1000; easing.type: Easing.InOutCubic }
                  NumberAnimation { target: viewFor3DLayer2; property: "opacity"; to: 0.5; duration: 1000; easing.type: Easing.InOutCubic }
                  PauseAnimation { duration: 1000 }
                  NumberAnimation { target: viewFor3DLayer2; property: "opacity"; to: 0.8; duration: 1000; easing.type: Easing.InOutCubic }
                  ParallelAnimation {
                      NumberAnimation { target: scale; property: "xScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack }
                      NumberAnimation { target: scale; property: "yScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack }
                  }
                  running: true
                  loops: Animation.Infinite
              }
          }

          Text {
              text: "Another View3D showing the other layer"
              color: "black"
              font.pointSize: 16
          }
      }

      // This example uses Qt Quick-based debug views because rendering them with
      // Qt 3D is not feasible anymore in the separated views model (as Qt 3D is
      // not responsible for the final composed image).
      Studio3DProfiler {
          id: quickBasedProfileUI
          visible: false
          focus: true
          anchors.fill: parent
          anchors.topMargin: 40 // make sure we do not cover the top area with the buttons
      }
  }