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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 the declarative plugins
import QtQuick 2.0
//Import the javascript functions for this game
import "lib.js" as Lib
//Implementation of the Mouse control.
Item {
id: mouse
x: 0
y: 0
width: Lib.cellDimension
height: Lib.cellDimension
property int angle
AnimatedImage {
id: img
source: "content/mouse_down.gif"
anchors.fill: parent
visible: true
}
function distance(origX, origY, newX, newY) {
return Math.sqrt((Math.pow((newX - origX),2)) + (Math.pow((newY - origY),2)))
}
//Function for moving the mouse
function move(newx, newy)
{
if (mouse.x === newx && mouse.y === newy)
return
// somehow this actually works
//! [0]
var a = newy - mouse.y
var b = newx - mouse.x
var c = distance(mouse.x, mouse.y, newx, newy)
var radians_to_degrees = 57.2957795
if (a > 0)
angle = -Math.acos(a / b) * radians_to_degrees
else
angle = -Math.asin(b / c) * radians_to_degrees
if (b > 0)
angle = -Math.acos(a / c) * radians_to_degrees
else
angle = Math.acos(a / c) * radians_to_degrees
if (angle < 0)
angle = 360 + angle
img.rotation = angle
mouse.x = newx;
mouse.y = newy;
//! [0]
}
}
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