qtdoc/examples/demos/xr_physicsbase_teleportation/ValueFader.qml

60 lines
1.8 KiB
QML

// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
Item {
id: fader
property real value: 1
function blink(fadedOutLambda, fadedInLambda, duration) {
blinkAnimation.stop()
blinkAnimation.fadedOutLambda = fadedOutLambda
blinkAnimation.fadedInLambda = fadedInLambda
blinkAnimation.duration = duration
blinkAnimation.start()
}
SequentialAnimation {
id: blinkAnimation
property var fadedOutLambda
property var fadedInLambda
property int duration
NumberAnimation {
target: fader; property: "value";
easing.type: Easing.OutCubic
duration: blinkAnimation.duration
to: 0
}
ScriptAction {
script: {
if (blinkAnimation.fadedOutLambda &&
typeof blinkAnimation.fadedOutLambda === "function") {
let lambda = ()=>{} //to suppress the linter warning
lambda = blinkAnimation.fadedOutLambda
lambda();
blinkAnimation.fadedOutLambda = null;
}
}
}
NumberAnimation {
target: fader; property: "value";
to: 1
duration: blinkAnimation.duration
easing.type: Easing.InCubic
}
ScriptAction {
script: {
if (blinkAnimation.fadedInLambda &&
typeof blinkAnimation.fadedInLambda === "function") {
let lambda = ()=>{} //to suppress the linter warning
lambda = blinkAnimation.fadedInLambda
lambda();
blinkAnimation.fadedInLambda = null;
}
}
}
running: false
}
}