activities/chess/Piece.qml

0001 /* GCompris - chess.qml
0002  *
0003  * SPDX-FileCopyrightText: 2015 Bruno Coudoin <bruno.coudoin@gcompris.net>
0004  *
0005  * Authors:
0006  *   Bruno Coudoin <bruno.coudoin@gcompris.net> (GTK+ version)
0007  *   Bruno Coudoin <bruno.coudoin@gcompris.net> (Qt Quick port)
0008  *
0009  *   SPDX-License-Identifier: GPL-3.0-or-later
0010  */
0011 import QtQuick 2.12
0012
0013 Image {
0014     id: piece
0015     property int pos
0016     Behavior on opacity { PropertyAnimation { easing.type: Easing.InOutQuad; duration: 200 } }
0017     Behavior on x { PropertyAnimation { easing.type: Easing.InOutQuad; duration: items.noPieceAnimation ? 0 : 200 } }
0018     Behavior on y { PropertyAnimation { easing.type: Easing.InOutQuad; duration: items.noPieceAnimation ? 0 : 200 } }
0019     z: 10
0020
0021     property string img
0022     property bool acceptMove: false
0023     property int newPos
0024     // color = -1 if no piece, 0 is black and 1 is white
0025     property int isWhite: img.length != 2 ? -1 : img[0] == 'w' ? 1 : 0
0026
0027
0028     SequentialAnimation {
0029         id: hideAnim
0030         NumberAnimation {
0031             target: piece
0032             property: "scale"
0033             duration: 200
0034             to: 0
0035         }
0036         PropertyAction {
0037              target: piece
0038              property: 'img'
0039              value: ""
0040         }
0041         PropertyAction {
0042             target: piece
0043             property: 'pos'
0044             value: piece.newPos
0045         }
0046         PropertyAction {
0047             target: piece
0048             property: 'scale'
0049             value: 1
0050         }
0051         PropertyAction {
0052             target: piece
0053             property: 'z'
0054             value: 2
0055         }
0056     }
0057
0058     SequentialAnimation {
0059         id: promotionAnim
0060         PauseAnimation {
0061             duration: 200
0062         }
0063         NumberAnimation {
0064             target: piece
0065             property: 'scale'
0066             to: 0
0067         }
0068         PropertyAction {
0069             target: piece
0070             property: 'img'
0071             value: isWhite ? 'wq' : 'bq'
0072         }
0073         NumberAnimation {
0074             target: piece
0075             property: 'scale'
0076             to: 1
0077             easing.type: Easing.OutElastic
0078         }
0079     }
0080
0081     function hide(newPos) {
0082         piece.newPos = newPos
0083         hideAnim.start()
0084     }
0085
0086     function promotion() {
0087         promotionAnim.start()
0088     }
0089
0090     function move(to) {
0091         piece.newPos = to
0092         piece.pos = to
0093         piece.z = 2
0094     }
0095 }
0096