color-animation.qml Example File | Qt Quick 5.12.8

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- color-animation.qml Example File
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# color-animation.qml Example File

animation/basics/color-animation.qml

     /****************************************************************************
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     import QtQuick 2.0
     import QtQuick.Particles 2.0

     Item {
         id: window
         width: 320; height: 480

         // Let's draw the sky...
         Rectangle {
             anchors { left: parent.left; top: parent.top; right: parent.right; bottom: parent.verticalCenter }
             gradient: Gradient {
                 GradientStop {
                     position: 0.0
                     SequentialAnimation on color {
                         loops: Animation.Infinite
                         ColorAnimation { from: "#14148c"; to: "#0E1533"; duration: 5000 }
                         ColorAnimation { from: "#0E1533"; to: "#14148c"; duration: 5000 }
                     }
                 }
                 GradientStop {
                     position: 1.0
                     SequentialAnimation on color {
                         loops: Animation.Infinite
                         ColorAnimation { from: "#14aaff"; to: "#437284"; duration: 5000 }
                         ColorAnimation { from: "#437284"; to: "#14aaff"; duration: 5000 }
                     }
                 }
             }
         }

         // the sun, moon, and stars
         Item {
             width: parent.width; height: 2 * parent.height
             NumberAnimation on rotation { from: 0; to: 360; duration: 10000; loops: Animation.Infinite }
             Image {
                 source: "images/sun.png"; y: 10; anchors.horizontalCenter: parent.horizontalCenter
                 rotation: -3 * parent.rotation
             }
             Image {
                 source: "images/moon.png"; y: parent.height - 74; anchors.horizontalCenter: parent.horizontalCenter
                 rotation: -parent.rotation
             }
             ParticleSystem {
                 id: particlesystem
                 x: 0; y: parent.height/2
                 width: parent.width; height: parent.height/2
                 ImageParticle {
                     source: "images/star.png"
                     groups: ["star"]
                     color: "#00333333"
                     SequentialAnimation on opacity {
                         loops: Animation.Infinite
                         NumberAnimation { from: 0; to: 1; duration: 5000 }
                         NumberAnimation { from: 1; to: 0; duration: 5000 }
                     }
                 }
                 Emitter {
                     group: "star"
                     anchors.fill: parent
                     emitRate: parent.width / 50
                     lifeSpan: 5000
                 }
             }
         }

         // ...and the ground.
         Rectangle {
             anchors { left: parent.left; top: parent.verticalCenter; right: parent.right; bottom: parent.bottom }
             gradient: Gradient {
                 GradientStop {
                     position: 0.0
                     SequentialAnimation on color {
                         loops: Animation.Infinite
                         ColorAnimation { from: "#80c342"; to: "#001600"; duration: 5000 }
                         ColorAnimation { from: "#001600"; to: "#80c342"; duration: 5000 }
                     }
                 }
                 GradientStop { position: 1.0; color: "#006325" }
             }
         }
     }