Differential D14653 Diff 39359 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​ if(items.background.clefType === "Treble")
62​ items.doubleOctave.currentOctaveNb = 1
63​ else
64​ items.doubleOctave.currentOctaveNb = 2
65​
66​ items.multipleStaff.pauseNoteAnimation()
67​ items.displayNoteNameTimer.stop()
68​ items.addNoteTimer.stop()
69​ items.multipleStaff.initClefs(items.background.clefType)
70​ targetNotes = JSON.parse(JSON.stringify(levels[currentLevel]["sequence"]))
71​ items.isTutorialMode = true
72​ items.multipleStaff.coloredNotes = dataset.referenceNotes[items.background.clefType]
73​ showTutorial()
74​}
75​
76​function showTutorial() {
77​ items.messageBox.visible = false
78​ if(targetNotes.length) {
79​ displayNote(targetNotes[0])
80​ items.messageBox.visible = true
81​ targetNotes.shift()
82​ }
83​ else {
84​ items.isTutorialMode = false
85​ startGame()
86​ }
87​}
88​
jjazeixUnsubmitted
Done

hardcoded 25, 50 is not good

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

4 is harcoded

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

hardcode

jjazeix: hardcode
138​function correctAnswer() {
139​ currentNoteIndex = (currentNoteIndex + 1) % newNotesSequence.length
140​ items.multipleStaff.pauseNoteAnimation()
141​ items.multipleStaff.musicElementModel.remove(1)
142​ items.multipleStaff.resumeNoteAnimation()
143​ items.progressBar.percentage += percentageIncreaseValue
144​ if(items.progressBar.percentage === 100) {
145​ items.multipleStaff.pauseNoteAnimation()
146​ items.displayNoteNameTimer.stop()
147​ items.addNoteTimer.stop()
148​ items.bonus.good("flower")
149​ }
150​ else if(items.multipleStaff.musicElementModel.count <= 1)
151​ items.addNoteTimer.restart()
152​}
153​
154​function checkAnswer(noteName) {
155​ if(noteName === items.multipleStaff.musicElementModel.get(1).noteName_)
156​ correctAnswer()
157​ else
158​ items.displayNoteNameTimer.start()
159​}
160​
161​function nextLevel() {
162​ if(!items.iAmReady.visible && !items.introMessage.visible) {
163​ if(numberOfLevel <= ++ currentLevel) {
164​ currentLevel = 0
165​ }
166​ initLevel()
167​ }
168​}
169​
170​function previousLevel() {
171​ if(!items.iAmReady.visible && !items.introMessage.visible) {
172​ if(--currentLevel < 0) {
173​ currentLevel = numberOfLevel - 1
174​ }
175​ initLevel()
176​ }
177​}