1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import Qt3D.Core 2.0
import Qt3D.Render 2.0
import Qt3D.Extras 2.0
import QtQuick 2.2 as QQ2
Entity {
id: sceneRoot
property int barRotationTimeMs: 1
property int numberOfBars: 1
property string animationState
property real titleStartAngle: 95
property real titleStopAngle: 5
property bool started: false
onAnimationStateChanged: {
if (animationState == "playing") {
mediaPlayer.play()
if (progressTransformAnimation.paused)
progressTransformAnimation.resume()
else
progressTransformAnimation.start()
} else if (animationState == "paused") {
mediaPlayer.pause()
if (progressTransformAnimation.running)
progressTransformAnimation.pause()
} else {
mediaPlayer.stop()
progressTransformAnimation.stop()
progressTransform.progressAngle = progressTransform.defaultStartAngle
}
}
QQ2.Item {
id: stateItem
state: animationState
states: [
QQ2.State {
name: "playing"
QQ2.PropertyChanges {
target: titlePrism
titleAngle: titleStopAngle
}
},
QQ2.State {
name: "paused"
QQ2.PropertyChanges {
target: titlePrism
titleAngle: titleStopAngle
}
},
QQ2.State {
name: "stopped"
QQ2.PropertyChanges {
target: titlePrism
titleAngle: titleStartAngle
}
}
]
transitions: QQ2.Transition {
QQ2.NumberAnimation {
property: "titleAngle"
duration: 2000
running: false
}
}
}
function startVisualization() {
progressTransformAnimation.duration = mediaPlayer.duration
mainview.state = "playing"
progressTransformAnimation.start()
started = true
}
//![0]
Camera {
id: camera
projectionType: CameraLens.PerspectiveProjection
fieldOfView: 45
aspectRatio: 1820 / 1080
nearPlane: 0.1
farPlane: 1000.0
position: Qt.vector3d(0.014, 0.956, 2.178)
upVector: Qt.vector3d(0.0, 1.0, 0.0)
viewCenter: Qt.vector3d(0.0, 0.7, 0.0)
}
//![0]
Entity {
components: [
DirectionalLight {
intensity: 0.9
worldDirection: Qt.vector3d(0, 0.6, -1)
}
]
}
RenderSettings {
id: external_forward_renderer
activeFrameGraph: ForwardRenderer {
camera: camera
clearColor: "transparent"
}
}
components: [external_forward_renderer]
//![1]
// Bars
CuboidMesh {
id: barMesh
xExtent: 0.1
yExtent: 0.1
zExtent: 0.1
}
NodeInstantiator {
id: collection
property int maxCount: parent.numberOfBars
model: maxCount
delegate: BarEntity {
id: cubicEntity
entityMesh: barMesh
rotationTimeMs: sceneRoot.barRotationTimeMs
entityIndex: index
entityCount: sceneRoot.numberOfBars
entityAnimationsState: animationState
magnitude: 0
}
}
//![1]
// TitlePrism
Entity {
id: titlePrism
property real titleAngle: titleStartAngle
Entity {
id: titlePlane
PlaneMesh {
id: titlePlaneMesh
width: 550
height: 100
}
Transform {
id: titlePlaneTransform
scale: 0.003
translation: Qt.vector3d(0, 0.11, 0)
}
NormalDiffuseMapAlphaMaterial {
id: titlePlaneMaterial
diffuse: TextureLoader { source: "qrc:/images/demotitle.png" }
normal: TextureLoader { source: "qrc:/images/normalmap.png" }
shininess: 1.0
}
components: [titlePlaneMesh, titlePlaneMaterial, titlePlaneTransform]
}
// Song title
Entity {
id: songTitlePlane
PlaneMesh {
id: songPlaneMesh
width: 550
height: 100
}
Transform {
id: songPlaneTransform
scale: 0.003
rotationX: 90
translation: Qt.vector3d(0, -0.03, 0.13)
}
property Material songPlaneMaterial: NormalDiffuseMapAlphaMaterial {
diffuse: TextureLoader { source: "qrc:/images/songtitle.png" }
normal: TextureLoader { source: "qrc:/images/normalmap.png" }
shininess: 1.0
}
components: [songPlaneMesh, songPlaneMaterial, songPlaneTransform]
}
property Transform titlePrismPlaneTransform: Transform {
matrix: {
var m = Qt.matrix4x4()
m.translate(Qt.vector3d(-0.5, 1.3, -0.4))
m.rotate(titlePrism.titleAngle, Qt.vector3d(1, 0, 0))
return m;
}
}
components: [titlePlane, songTitlePlane, titlePrismPlaneTransform]
}
// Circle to create the reflection effect
Mesh {
id: circleMesh
source: "qrc:/meshes/circle.obj"
}
Entity {
id: circleEntity
property Material circleMaterial: PhongAlphaMaterial {
alpha: 0.4
ambient: "black"
diffuse: "black"
specular: "black"
shininess: 10000
}
components: [circleMesh, circleMaterial]
}
//![2]
// Progress
Mesh {
id: progressMesh
source: "qrc:/meshes/progressbar.obj"
}
Transform {
id: progressTransform
property real defaultStartAngle: -90
property real progressAngle: defaultStartAngle
rotationY: progressAngle
}
Entity {
property Material progressMaterial: PhongMaterial {
ambient: "#80C342"
diffuse: "black"
}
components: [progressMesh, progressMaterial, progressTransform]
}
//![2]
QQ2.NumberAnimation {
id: progressTransformAnimation
target: progressTransform
property: "progressAngle"
duration: 0
running: false
from: progressTransform.defaultStartAngle
to: -270
onStopped: if (animationState != "stopped") animationState = "stopped"
}
}
|
