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Diffstat (limited to 'examples/qt3d/audio-visualizer-qml/BarEntity.qml')
| -rw-r--r-- | examples/qt3d/audio-visualizer-qml/BarEntity.qml | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/examples/qt3d/audio-visualizer-qml/BarEntity.qml b/examples/qt3d/audio-visualizer-qml/BarEntity.qml deleted file mode 100644 index c3aac0ba1..000000000 --- a/examples/qt3d/audio-visualizer-qml/BarEntity.qml +++ /dev/null @@ -1,202 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt3D module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -import Qt3D.Core 2.0 -import Qt3D.Render 2.0 -import Qt3D.Extras 2.0 -import QtQuick 2.4 as QQ2 - -Entity { - property int rotationTimeMs: 0 - property int entityIndex: 0 - property int entityCount: 0 - property int startAngle: 0 + 360 / entityCount * entityIndex - property bool needsNewMagnitude: true - property real magnitude: 0 - property real animWeight: 0 - - property color lowColor: "black" - property color highColor: "#b3b3b3" - property color barColor: lowColor - - property string entityAnimationsState: "stopped" - property bool entityAnimationsPlaying: true - - property var entityMesh: null - - onEntityAnimationsStateChanged: { - if (animationState == "paused") { - if (angleAnimation.running) - angleAnimation.pause() - if (barColorAnimations.running) - barColorAnimations.pause() - } else if (animationState == "playing"){ - needsNewMagnitude = true; - if (heightDecreaseAnimation.running) - heightDecreaseAnimation.stop() - if (angleAnimation.paused) { - angleAnimation.resume() - } else if (!entityAnimationsPlaying) { - magnitude = 0 - angleAnimation.start() - entityAnimationsPlaying = true - } - if (barColorAnimations.paused) - barColorAnimations.resume() - } else { - if (animWeight != 0) - heightDecreaseAnimation.start() - needsNewMagnitude = true - angleAnimation.stop() - barColorAnimations.stop() - entityAnimationsPlaying = false - } - } - - property Material barMaterial: PhongMaterial { - diffuse: barColor - ambient: Qt.darker(barColor) - specular: "black" - shininess: 1 - } - - property Transform angleTransform: Transform { - property real heightIncrease: magnitude * animWeight - property real barAngle: startAngle - - matrix: { - var m = Qt.matrix4x4() - m.rotate(barAngle, Qt.vector3d(0, 1, 0)) - m.translate(Qt.vector3d(1.1, heightIncrease / 2 - heightIncrease * 0.05, 0)) - m.scale(Qt.vector3d(0.5, heightIncrease * 15, 0.5)) - return m; - } - - property real compareAngle: barAngle - onBarAngleChanged: { - compareAngle = barAngle - - if (compareAngle > 360) - compareAngle = barAngle - 360 - - if (compareAngle > 180) { - parent.enabled = false - animWeight = 0 - if (needsNewMagnitude) { - // Calculate the ms offset where the bar will be at the center point of the - // visualization and fetch the correct magnitude for that point in time. - var offset = (90.0 + 360.0 - compareAngle) * (rotationTimeMs / 360.0) - magnitude = mediaPlayer.getNextAudioLevel(offset) - needsNewMagnitude = false - } - } else { - parent.enabled = true - // Calculate a power of 2 curve for the bar animation that peaks at 90 degrees - animWeight = Math.min((compareAngle / 90), (180 - compareAngle) / 90) - animWeight = animWeight * animWeight - if (!needsNewMagnitude) { - needsNewMagnitude = true - barColorAnimations.start() - } - } - } - } - - components: [entityMesh, barMaterial, angleTransform] - - //![0] - QQ2.NumberAnimation { - id: angleAnimation - target: angleTransform - property: "barAngle" - duration: rotationTimeMs - loops: QQ2.Animation.Infinite - running: true - from: startAngle - to: 360 + startAngle - } - //![0] - - QQ2.NumberAnimation { - id: heightDecreaseAnimation - target: angleTransform - property: "heightIncrease" - duration: 400 - running: false - from: angleTransform.heightIncrease - to: 0 - onStopped: barColor = lowColor - } - - property int animationDuration: angleAnimation.duration / 6 - - //![1] - QQ2.SequentialAnimation on barColor { - id: barColorAnimations - running: false - - QQ2.ColorAnimation { - from: lowColor - to: highColor - duration: animationDuration - } - - QQ2.PauseAnimation { - duration: animationDuration - } - - QQ2.ColorAnimation { - from: highColor - to: lowColor - duration: animationDuration - } - } - //![1] -} |