main.qml Example File

scene2d/main.qml

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  import Qt3D.Core 2.9
  import Qt3D.Render 2.9
  import Qt3D.Extras 2.9
  import Qt3D.Input 2.0

  import QtQuick 2.0
  import QtQuick.Scene2D 2.9
  import QtQuick.Controls 1.4
  import QtQuick.Layouts 1.2

  Entity {
      id: sceneRoot

      Camera {
          id: camera
          projectionType: CameraLens.PerspectiveProjection
          position: Qt.vector3d( 0.0, 0.0, 20 )
      }

      components: [
          RenderSettings {
              activeFrameGraph: ForwardRenderer {
                  camera: camera
                  clearColor: "white"
              }
              pickingSettings.pickMethod: PickingSettings.TrianglePicking
          },
          InputSettings {}
      ]

      Entity {
          id: logoEntity

          Transform {
              id: logoTransform
              scale: 1
              translation: Qt.vector3d( 0, 0, logoControls.logoCentreZ )
              rotation: fromEulerAngles( logoControls.rotationX,
                                         logoControls.rotationY,
                                         logoControls.rotationZ )
          }

          Mesh {
              id: logoMesh
              source: "Qt_logo.obj"
          }

          PhongMaterial {
              id: logoMaterial
              diffuse: Qt.rgba( logoControls.colorR/255,
                                logoControls.colorG/255,
                                logoControls.colorB/255, 1.0 )
              ambient: Qt.rgba( 0.1, 0.1, 0.1, 1.0 )
              shininess: logoControls.shininess
          }

          components: [ logoTransform, logoMesh, logoMaterial ]
      }

      Entity {
          id: cube

          components: [cubeTransform, cubeMaterial, cubeMesh, cubePicker]

          property real rotationAngle: 0

          Behavior on rotationAngle {
              enabled: logoControls.enabled
              RotationAnimation {
                  direction: RotationAnimation.Shortest
                  duration: 450
              }
          }

          RotationAnimation on rotationAngle {
              running: !logoControls.enabled
              loops: Animation.Infinite
              from: 0; to: 360
              duration: 4000
              onStopped: cube.rotationAngle = 0
          }

          Transform {
              id: cubeTransform
              translation: Qt.vector3d(2, 0, 10)
              scale3D: Qt.vector3d(1, 4, 1)
              rotation: fromAxisAndAngle(Qt.vector3d(0,1,0), cube.rotationAngle)
          }

          CuboidMesh {
              id: cubeMesh
          }

          ObjectPicker {
              id: cubePicker
              hoverEnabled: true
              dragEnabled: true

              // Explicitly require a middle click to have the Scene2D grab the mouse
              // events from the picker
              onPressed: {
                  if (pick.button === PickEvent.MiddleButton) {
                      qmlTexture.mouseEnabled = !qmlTexture.mouseEnabled
                      logoControls.enabled = !logoControls.enabled
                  }
              }
          }

          TextureMaterial {
              id: cubeMaterial
              texture: offscreenTexture
          }

          Scene2D {
              id: qmlTexture
              output: RenderTargetOutput {
                  attachmentPoint: RenderTargetOutput.Color0
                  texture: Texture2D {
                      id: offscreenTexture
                      width: 256
                      height: 1024
                      format: Texture.RGBA8_UNorm
                      generateMipMaps: true
                      magnificationFilter: Texture.Linear
                      minificationFilter: Texture.LinearMipMapLinear
                      wrapMode {
                          x: WrapMode.ClampToEdge
                          y: WrapMode.ClampToEdge
                      }
                  }
              }

              entities: [ cube ]
              mouseEnabled: false

              LogoControls {
                  id: logoControls
                  width: offscreenTexture.width
                  height: offscreenTexture.height
              }
          }
      }
  }