pathinterpolator.qml Example File | Qt Quick 5.12.10

- Qt 5.12
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- Qt Quick Examples - Animation
- pathinterpolator.qml Example File
- Qt 5.12.10 Reference Documentation

# 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"
             }
         }
     }