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Diffstat (limited to 'basicsuite/sensors/Accelbubble.qml')
-rw-r--r-- | basicsuite/sensors/Accelbubble.qml | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/basicsuite/sensors/Accelbubble.qml b/basicsuite/sensors/Accelbubble.qml new file mode 100644 index 0000000..d0ab880 --- /dev/null +++ b/basicsuite/sensors/Accelbubble.qml @@ -0,0 +1,108 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: For any questions to Digia, please use the contact form at +** http://qt.digia.com/ +** +** This file is part of the examples of the Qt Enterprise Embedded. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc and its Subsidiary(-ies) 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 QtQuick 2.0 +import QtSensors 5.0 + +Item { + Rectangle { + id: field + color: "lightblue" + border.width: 1 + border.color: "darkblue" + width: parent.width + height: parent.height + Accelerometer { + id: accel + active:true + onReadingChanged: { + var newX = (bubble.x + calcRoll(accel.reading.x, accel.reading.y, accel.reading.z) * .1) + var newY = (bubble.y - calcPitch(accel.reading.x, accel.reading.y, accel.reading.z) * .1) + + if (newX < 0) + newX = 0 + if (newY < 0) + newY = 0 + + var right = field.width - bubble.width + var bottom = field.height - bubble.height + + if (newX > right) + newX = right + if (newY > bottom) + newY = bottom + + bubble.x = newX + bubble.y = newY + } + } + + Image { + id: bubble + source: "bluebubble.png" + property real centerX: parent.width / 2 + property real centerY: parent.height / 2; + property real bubbleCenter: bubble.width / 2 + x: centerX - bubbleCenter + y: centerY - bubbleCenter + smooth: true + + Behavior on y { + SmoothedAnimation { + easing.type: Easing.Linear + duration: 100 + } + } + Behavior on x { + SmoothedAnimation { + easing.type: Easing.Linear + duration: 100 + } + } + } + } + + function calcPitch(x,y,z) { + return Math.atan(y / Math.sqrt(x*x + z*z)) * 57.2957795; + } + function calcRoll(x,y,z) { + return Math.atan(x / Math.sqrt(y*y + z*z)) * 57.2957795; + } +} |