main.qml Example File

bigmodel-qml/main.qml

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  ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
  ** Contact: http://www.qt-project.org/legal
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  ** This file is part of the Qt3D module of the Qt Toolkit.
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  ** Alternatively, this file may be used under the terms of the GNU
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  import Qt3D.Core 2.0
  import Qt3D.Render 2.0
  import QtQuick 2.2 as QQ2

  Entity {
      id: sceneRoot

      Configuration { controlledCamera: mainCamera }

      components: [
          FrameGraph { activeFrameGraph: ForwardRenderer { camera: mainCamera } }
      ]

      Camera {
          id: mainCamera
          projectionType: CameraLens.PerspectiveProjection
          fieldOfView: 22.5
          aspectRatio: 16 / 9
          nearPlane:   0.01
          farPlane:    1000.0
          position:   Qt.vector3d( 0.0, 25.0, 40.0 )
          viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 )
          upVector:   Qt.vector3d( 0.0, 1.0, 0.0 )
      }

      QQ2.ListModel {
          id: entityModel
          QQ2.ListElement { emptyRole: 0 }
      }

      NodeInstantiator {
          id: collection
          property int _count: 0
          property real spacing: 5
          property int cols: 8
          property int _rows: count / cols

          model: entityModel
          delegate: MyEntity {
              id: myEntity
              property real _lightness: 0.2 + 0.7 / collection._rows * Math.floor(index / collection.cols)
              property real _hue: (index % collection.cols) / collection.cols
              position: Qt.vector3d(collection.spacing * (index % collection.cols - 0.5 * (collection.cols - 1)),
                                    0.0,
                                    collection.spacing * (Math.floor(index / collection.cols) - 0.5 * collection._rows));
              diffuse: Qt.hsla( _hue, 0.5, _lightness, 1.0 )
          }
      }

      QQ2.Timer {
          interval: 1000
          repeat: true
          running: true
          onTriggered: {
              entityModel.append({});
          }
      }
  }