Differential D14653 Diff 39224 src/activities/note_names/note_names.js

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src/activities/note_names/note_names.js

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1​/* GCompris - note_names.js
2​ *
3​ * Copyright (C) 2018 Aman Kumar Gupta <gupta2140@gmail.com>
4​ *
5​ * Authors:
6​ * Aman Kumar Gupta <gupta2140@gmail.com>
7​ *
8​ * This program is free software; you can redistribute it and/or modify
9​ * it under the terms of the GNU General Public License as published by
10​ * the Free Software Foundation; either version 3 of the License, or
11​ * (at your option) any later version.
12​ *
13​ * This program is distributed in the hope that it will be useful,
14​ * but WITHOUT ANY WARRANTY; without even the implied warranty of
15​ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16​ * GNU General Public License for more details.
17​ *
18​ * You should have received a copy of the GNU General Public License
19​ * along with this program; if not, see <http://www.gnu.org/licenses/>.
20​ */
21​.pragma library
22​.import QtQuick 2.6 as Quick
23​.import "qrc:/gcompris/src/core/core.js" as Core
jjazeixUnsubmitted
Done

version

jjazeix: version
24​
25​var currentLevel = 0
26​var numberOfLevel
27​var dataset
28​var items
29​var levels
30​var targetNotes = []
31​var newNotesSequence = []
32​var currentNoteIndex
33​var noteIndexToDisplay
34​var percentageDecreaseValue = 4
35​var percentageIncreaseValue = 2
36​
37​function start(items_) {
38​ items = items_
39​ currentLevel = 0
40​ dataset = items.dataset.item
41​ levels = dataset.levels
42​ numberOfLevel = levels.length
43​ items.doubleOctave.coloredKeyLabels = dataset.referenceNotes[levels[0]["clef"]]
44​ items.doubleOctave.currentOctaveNb = 1
jjazeixUnsubmitted
Done

you should never use += for appending strings as the order can change depending on the language.

jjazeix: you should never use += for appending strings as the order can change depending on the language.
45​ items.introMessage.intro = [dataset.objective]
46​}
47​
48​function stop() {
49​ newNotesSequence = []
50​ items.multipleStaff.pauseNoteAnimation()
51​ items.displayNoteNameTimer.stop()
52​ items.addNoteTimer.stop()
53​}
54​
55​function initLevel() {
56​ targetNotes = []
57​ newNotesSequence = []
58​ items.bar.level = currentLevel + 1
59​ items.background.clefType = levels[currentLevel]["clef"]
60​ items.doubleOctave.coloredKeyLabels = dataset.referenceNotes[items.background.clefType]
jjazeixUnsubmitted
Done

first compute items.background.clefType and use it in items.piano.coloredKeyLabels

jjazeix: first compute items.background.clefType and use it in items.piano.coloredKeyLabels
61​ items.doubleOctave.currentOctaveNb = 1
62​ items.multipleStaff.pauseNoteAnimation()
63​ items.displayNoteNameTimer.stop()
64​ items.addNoteTimer.stop()
65​ items.multipleStaff.initClefs(items.background.clefType)
66​ targetNotes = JSON.parse(JSON.stringify(levels[currentLevel]["sequence"]))
67​ items.isTutorialMode = true
68​ items.multipleStaff.coloredNotes = dataset.referenceNotes[items.background.clefType]
69​ showTutorial()
70​}
71​
72​function showTutorial() {
73​ items.messageBox.visible = false
74​ if(targetNotes.length) {
75​ displayNote(targetNotes[0])
76​ items.messageBox.visible = true
77​ targetNotes.shift()
78​ }
79​ else {
80​ items.isTutorialMode = false
81​ startGame()
82​ }
83​}
84​
85​// The principle is to fill half sequence (length 25) with the notes from previous levels and another half with current level's target notes and shuffle them.
86​function formNewNotesSequence() {
87​ var halfSequenceLength = 25
88​ var fullSequenceLength = 50
jjazeixUnsubmitted
Done

hardcoded 25, 50 is not good

jjazeix: hardcoded 25, 50 is not good
89​ targetNotes = JSON.parse(JSON.stringify(levels[currentLevel]["sequence"]))
90​ for(var i = 0; i < currentLevel && newNotesSequence.length < halfSequenceLength; i++) {
91​ if(levels[currentLevel]["clef"] === levels[i]["clef"]) {
92​ for(var j = 0; j < levels[i]["sequence"].length && newNotesSequence.length < halfSequenceLength; j++)
93​ newNotesSequence.push(levels[i]["sequence"][j])
94​ }
95​ }
96​
97​ for(var i = 0; newNotesSequence.length && newNotesSequence.length < halfSequenceLength; i++)
98​ newNotesSequence.push(newNotesSequence[i % newNotesSequence.length])
99​
100​ for(var i = 0; newNotesSequence.length < fullSequenceLength; i++)
101​ newNotesSequence.push(targetNotes[i % targetNotes.length])
102​
103​ Core.shuffle(newNotesSequence)
104​}
105​
106​function startGame() {
107​ currentNoteIndex = 0
108​ noteIndexToDisplay = 0
109​ items.progressBar.percentage = 0
110​ formNewNotesSequence()
111​ displayNote(newNotesSequence[0])
112​}
113​
114​function displayNote(currentNote) {
115​ items.multipleStaff.addMusicElement("note", currentNote, "Quarter", false, false, items.background.clefType)
116​ if(!items.isTutorialMode) {
117​ items.addNoteTimer.interval = items.addNoteTimer.timerNormalInterval
118​ items.addNoteTimer.start()
119​ }
120​}
121​
122​function wrongAnswer() {
123​ if(items.multipleStaff.musicElementRepeater.itemAt(1).x === (3 * items.multipleStaff.height / 25)) {
124​ items.multipleStaff.musicElementModel.remove(1)
125​ currentNoteIndex = (currentNoteIndex + 1) % newNotesSequence.length
126​ }
jjazeixUnsubmitted
Done

4 is harcoded

jjazeix: 4 is harcoded
127​
128​ items.progressBar.percentage = Math.max(0, items.progressBar.percentage - percentageDecreaseValue)
129​ items.multipleStaff.resumeNoteAnimation()
130​ if(items.multipleStaff.musicElementModel.count <= 1)
131​ items.addNoteTimer.restart()
132​}
133​
134​function correctAnswer() {
135​ currentNoteIndex = (currentNoteIndex + 1) % newNotesSequence.length
136​ items.multipleStaff.pauseNoteAnimation()
137​ items.multipleStaff.musicElementModel.remove(1)
jjazeixUnsubmitted
Done

hardcode

jjazeix: hardcode
138​ items.multipleStaff.resumeNoteAnimation()
139​ items.progressBar.percentage += percentageIncreaseValue
140​ if(items.progressBar.percentage === 100) {
141​ items.multipleStaff.pauseNoteAnimation()
142​ items.displayNoteNameTimer.stop()
143​ items.addNoteTimer.stop()
144​ items.bonus.good("flower")
145​ }
146​ else if(items.multipleStaff.musicElementModel.count <= 1)
147​ items.addNoteTimer.restart()
148​}
149​
150​function checkAnswer(noteName) {
151​ if(noteName === items.multipleStaff.musicElementModel.get(1).noteName_)
152​ correctAnswer()
153​ else
154​ items.displayNoteNameTimer.start()
155​}
156​
157​function nextLevel() {
158​ if(!items.iAmReady.visible) {
159​ if(numberOfLevel <= ++ currentLevel) {
160​ currentLevel = 0
161​ }
162​ initLevel()
163​ }
164​}
165​
166​function previousLevel() {
167​ if(!items.iAmReady.visible) {
168​ if(--currentLevel < 0) {
169​ currentLevel = numberOfLevel - 1
170​ }
171​ initLevel()
172​ }
173​}