activities/balancebox/Wall.qml

0001 /* GCompris - Wall.qml
0002  *
0003  * SPDX-FileCopyrightText: 2014-2015 Holger Kaelberer <holger.k@elberer.de>
0004  *
0005  * Authors:
0006  *   Holger Kaelberer <holger.k@elberer.de>
0007  *
0008  *   SPDX-License-Identifier: GPL-3.0-or-later
0009  */
0010
0011 import QtQuick 2.12
0012 import GCompris 1.0
0013 import Box2D 2.0
0014 import QtGraphicalEffects 1.0
0015 import "balancebox.js" as Activity
0016
0017 Item {
0018     id: item
0019
0020     transformOrigin: Item.TopLeft
0021     property alias body: itemBody
0022     property alias world: itemBody.world
0023     property alias categories: itemFixture.categories
0024     property alias shadow: itemShadow.visible
0025     //property bool shadow: false //itemShadow.visible
0026     property alias shadowHorizontalOffset: itemShadow.horizontalOffset
0027     property alias shadowVerticalOffset: itemShadow.verticalOffset
0028
0029     Body {
0030         id: itemBody
0031         target: item
0032         world: physicsWorld
0033         active: item.visible
0034
0035         fixtures: Box {
0036             id: itemFixture
0037             width: item.width
0038             height: item.height
0039             friction: 0.0
0040             density: 1
0041             restitution: Activity.restitution
0042             categories: Box.Category2
0043             collidesWith: Box.Category1
0044         }
0045     }
0046
0047     Rectangle {
0048         id: itemRectangle
0049         anchors.fill: parent
0050         width: parent.width
0051         height: parent.height
0052         radius: height / 2
0053         color: "#B38B56"
0054         z: 2
0055     }
0056
0057     DropShadow {
0058         id: itemShadow
0059         anchors.fill: itemRectangle
0060         cached: true
0061         visible: false  // note: dropping shadows for the walls is really expensive
0062                         // in terms of CPU usage!
0063         radius: 0
0064         samples: 16
0065         color: "#80000000"
0066         source: itemRectangle
0067         z: 1
0068     }
0069
0070 }