pathinterpolator.qml Example File

animation/pathinterpolator/pathinterpolator.qml
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 import QtQuick 2.0

 Rectangle {
     id: window
     width: 320
     height: 480

     Canvas {
         id: canvas
         anchors.fill: parent
         antialiasing: true

         onPaint: {
             var context = canvas.getContext("2d")
             context.clearRect(0, 0, width, height)
             context.strokeStyle = "black"
             context.path = motionPath.path
             context.stroke()
         }
     }

     PathInterpolator {
         id: motionPath

         path: Path {
             startX: 50; startY: 50

             PathCubic {
                 x: window.width - 50
                 y: window.height - 50

                 control1X: x; control1Y: 50
                 control2X: 50; control2Y: y
             }

             onChanged: canvas.requestPaint()
         }

         SequentialAnimation on progress {
             running: true
             loops: -1
             PauseAnimation { duration: 1000 }
             NumberAnimation {
                 id: progressAnim
                 running: false
                 from: 0; to: 1
                 duration: 2000
                 easing.type: Easing.InQuad
             }
         }
     }

     Rectangle {
         id: box

         width: 50; height: 50
         border.width: 1
         antialiasing: true

         //bind our attributes to follow the path as progress changes
         x: motionPath.x
         y: motionPath.y
         rotation: motionPath.angle
         transform: Translate { x: -box.width/2; y: -box.height/2 }

         Text {
             anchors.centerIn: parent
             text: "Box"
         }
     }
 }