Qt 5.9 | Qt Quick | Qt Quick Examples - Animation | animators.qml Example File

Qt 5.9.9 Reference Documentation

# animators.qml Example File

animation/basics/animators.qml

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      import QtQuick 2.2

      Item {
          id: window
          width: 320; height: 440

          // Let's draw the sky...
          Rectangle {
              anchors.fill: parent
              gradient: Gradient {
                  GradientStop { position: 0.0; color: "#14148c" }
                  GradientStop { position: 0.499; color: "#14aaff" }
                  GradientStop { position: 0.5; color: "#80c342" }
                  GradientStop { position: 1.0; color: "#006325" }
              }
          }

          SequentialAnimation {
              SequentialAnimation {
                  ParallelAnimation {
                      YAnimator {
                          target: smiley;
                          from: smiley.minHeight;
                          to: smiley.maxHeight
                          easing.type: Easing.OutExpo;
                          duration: 300
                      }
                      ScaleAnimator {
                          target: shadow
                          from: 1
                          to: 0.5
                          easing.type: Easing.OutExpo;
                          duration: 300
                      }
                  }
                  ParallelAnimation {
                      YAnimator {
                          target: smiley;
                          from: smiley.maxHeight;
                          to: smiley.minHeight
                          easing.type: Easing.OutBounce;
                          duration: 1000
                      }
                      ScaleAnimator {
                          target: shadow
                          from: 0.5
                          to: 1
                          easing.type: Easing.OutBounce;
                          duration: 1000
                      }
                  }
              }
              PauseAnimation { duration: 500 }
              running: true
              loops: Animation.Infinite
          }

          // The shadow for the smiley face
          Image {
              id: shadow;
              anchors.horizontalCenter: parent.horizontalCenter
              y: smiley.minHeight + smiley.height
              source: "images/shadow.png"
          }

          Image {
              id: smiley
              property int maxHeight: window.height / 3
              property int minHeight: 2 * window.height / 3

              anchors.horizontalCenter: parent.horizontalCenter
              y: minHeight
              source: "images/face-smile.png"

          }
      }