three.js: Control gui and play sound set Volume

 

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
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <meta name="apple-moible-web-app-capable" content="yes">
    <meta name="apple-moible-web-app-status-bar-style" content="black">
    <title>Control gui and set Volume</title>
    <meta content=" Three.js r95 声音调节 set Volume" name="keywords">
    <meta content=" Three.js r95 播放声音并调节 set Volume" name="description">
    <meta name="author" content="Geovin Du 涂聚文 塗聚文">
    <link rel="shortcut icon" href="~/favicon.ico" type="image/x-icon" />
    <link rel="icon" href="/favicon.ico" />
    <link rel="bookmark" href="/favicon.ico" type="image/gif" />
    <script type="text/javascript" charset="UTF-8" src="../libs/three/three.js"></script>
    <script type="text/javascript" charset="UTF-8" src="../libs/three/controls/TrackballControls.js"></script>
    <script type="text/javascript" src="../libs/util/Stats.js"></script>
    <script type="text/javascript" src="../libs/util/dat.gui.js"></script>
    <script type="text/javascript" src="js/util.js"></script>
    <script type="text/javascript">
        function init() {
 
 
            // listen to the resize events  监听窗体大小事件
            window.addEventListener('resize', onResize, false);
            var uniforms; //音量调节
            var fftSize = 0.2;
            var stats = initStats();
 
            //声音
            var audioListener = new THREE.AudioListener();
 
            // create a scene, that will hold all our elements such as objects, cameras and lights.
            var scene = new THREE.Scene();
 
            // create a camera, which defines where we're looking at.
            var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000);
 
            // create a render and set the size
            var renderer = new THREE.WebGLRenderer();
 
            renderer.setClearColor(new THREE.Color(0x000000));
            renderer.setSize(window.innerWidth, window.innerHeight);
            renderer.shadowMap.enabled = true;
 
            // create the ground plane
            var planeGeometry = new THREE.PlaneGeometry(60, 20, 1, 1);
            var planeMaterial = new THREE.MeshLambertMaterial({ color: 0xffffff });
            var plane = new THREE.Mesh(planeGeometry, planeMaterial);
            plane.receiveShadow = true;
 
            // rotate and position the plane
            plane.rotation.x = -0.5 * Math.PI;
            plane.position.x = 15;
            plane.position.y = 0;
            plane.position.z = 0;
 
            // add the plane to the scene
            scene.add(plane);
 
            // create a cube
            var cubeGeometry = new THREE.BoxGeometry(4, 4, 4);
            var cubeMaterial = new THREE.MeshLambertMaterial({ color: 0xff0000 });
            var cube = new THREE.Mesh(cubeGeometry, cubeMaterial);
            cube.castShadow = true;
            // position the cube
            cube.position.x = -4;
            cube.position.y = 3;
            cube.position.z = 0;
 
            // add the cube to the scene
            scene.add(cube);
 
            var sphereGeometry = new THREE.SphereGeometry(4, 20, 20);
            var sphereMaterial = new THREE.MeshLambertMaterial({ color: 0x7777ff });
            var sphere = new THREE.Mesh(sphereGeometry, sphereMaterial);
 
            // position the sphere
            sphere.position.x = 20;
            sphere.position.y = 0;
            sphere.position.z = 2;
            sphere.castShadow = true;
 
            // add the sphere to the scene
            scene.add(sphere);
 
            // position and point the camera to the center of the scene
            camera.position.x = -30;
            camera.position.y = 40;
            camera.position.z = 30;
            camera.lookAt(scene.position);
 
 
 
 
            // 设置声音add the listener to the camera
            camera.add(audioListener);
            // instantiate audio object
            var oceanAmbientSound = new THREE.Audio(audioListener);
            // add the audio object to the scene
            scene.add(oceanAmbientSound);  
 
            // instantiate a loader
            var loader = new THREE.AudioLoader();
            // load a resource
            loader.load(
                // resource URL
                '../assets/audio/ping_pong.mp3',
                // Function when resource is loaded
                function (audioBuffer) {
                    // set the audio object buffer to the loaded object
                    oceanAmbientSound.setBuffer(audioBuffer);
                    oceanAmbientSound.setLoop(true); // 一次
                     
                    oceanAmbientSound.setVolume(0.1);
                    // play the audio
                    oceanAmbientSound.play();
                    //oceanAmbientSound.stop();  //停止
                },
                // Function called when download progresses
                function (xhr) {
                    console.log((xhr.loaded / xhr.total * 100) + '% loaded');
                },
                // Function called when download errors
                function (xhr) {
                    console.log('An error happened');
                }
            );
 
 
            // create an AudioAnalyser, passing in the sound and desired fftSize
            var analyser = new THREE.AudioAnalyser(oceanAmbientSound, 32);          
            //
            const format = (renderer.capabilities.isWebGL2) ? THREE.RedFormat : THREE.LuminanceFormat;
            uniforms = {
                tAudioData: { value: new THREE.DataTexture(analyser.data, fftSize / 2, 1, format) }
            };
 
            // get the average frequency of the sound
            var data = analyser.getAverageFrequency();
            var listener = new THREE.AudioListener();
            camera.add(listener);
            //
 
 
            // add subtle ambient lighting
            var ambienLight = new THREE.AmbientLight(0x353535);
            scene.add(ambienLight);
 
            // add spotlight for the shadows
            var spotLight = new THREE.SpotLight(0xffffff);
            spotLight.position.set(-10, 20, -5);
            spotLight.castShadow = true;
            scene.add(spotLight);
 
            // add the output of the renderer to the html element
            document.getElementById("webgl-output").appendChild(renderer.domElement);
 
            // call the render function
            var step = 0;
            var num = 0;
            //添加控件
            var controls = new function () {
                this.rotationSpeed = 0.02;
                this.bouncingSpeed = 0.03;
                this.SoundSpeed = 0.1;
            };
 
            var gui = new dat.GUI();
            gui.add(controls, 'rotationSpeed', 0, 0.5);
            gui.add(controls, 'bouncingSpeed', 0, 0.5);
            gui.add(controls, 'SoundSpeed', 0, 0.5);  //音量调节
 
            // attach them here, since appendChild needs to be called first
            var trackballControls = initTrackballControls(camera, renderer);
            var clock = new THREE.Clock();
 
            render();
 
            function render() {
                // update the stats and the controls
                trackballControls.update(clock.getDelta());
                stats.update();
 
                //声音音量调节
                num += controls.SoundSpeed;
                oceanAmbientSound.setVolume(num);
                if (num = 0)
                    oceanAmbientSound.stop();  //停止
               // analyser.getFrequencyData();
                uniforms.tAudioData.value.needsUpdate = true;
 
 
                // rotate the cube around its axes
                cube.rotation.x += controls.rotationSpeed;
                cube.rotation.y += controls.rotationSpeed;
                cube.rotation.z += controls.rotationSpeed;
 
                // bounce the sphere up and down
                step += controls.bouncingSpeed;
 
                sphere.position.x = 20 + (10 * (Math.cos(step)));
                sphere.position.y = 2 + (10 * Math.abs(Math.sin(step)));
 
                // render using requestAnimationFrame
                requestAnimationFrame(render);
                renderer.render(scene, camera);
            }
 
            //根据窗体的大小改变,有一定的算法
            function onResize() {
                camera.aspect = window.innerWidth / window.innerHeight;
                camera.updateProjectionMatrix();
                renderer.setSize(window.innerWidth, window.innerHeight);
            }
        }
    </script>
    <link rel="stylesheet" href="../css/default.css">
</head>
<body>
    <div id="webgl-output"></div>
 
    <!-- Javascript code that runs our Three.js examples -->
    <script type="text/javascript">
        (function () {
            // your page initialization code here
            // the DOM will be available here
            init()
        })();
    </script>
</body>
</html>

  

 

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
//
 
                const listener = new THREE.AudioListener();
 
                const audio = new THREE.Audio( listener );
                const file = './sounds/376737_Skullbeatz___Bad_Cat_Maste.mp3';
 
                if ( /(iPad|iPhone|iPod)/g.test( navigator.userAgent ) ) {
 
                    const loader = new THREE.AudioLoader();
                    loader.load( file, function ( buffer ) {
 
                        audio.setBuffer( buffer );
                        audio.play();
 
                    } );
 
                } else {
 
                    const mediaElement = new Audio( file );
                    mediaElement.play();
 
                    audio.setMediaElementSource( mediaElement );
 
                }
 
                analyser = new THREE.AudioAnalyser( audio, fftSize );
 
                //
 
                const format = ( renderer.capabilities.isWebGL2 ) ? THREE.RedFormat : THREE.LuminanceFormat;
 
                uniforms = {
 
                    tAudioData: { value: new THREE.DataTexture( analyser.data, fftSize / 2, 1, format ) }
 
                };

  

 增加一个bottom按扭操作关开声音

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
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <meta name="apple-moible-web-app-capable" content="yes">
    <meta name="apple-moible-web-app-status-bar-style" content="black">
    <title>Example 12.07 - Audio</title>
    <meta content=" Three.js r95" name="keywords">
    <meta content=" Three.js r95" name="description">
    <meta name="author" content="Geovin Du 涂聚文 塗聚文">
    <link rel="shortcut icon" href="~/favicon.ico" type="image/x-icon" />
    <link rel="icon" href="/favicon.ico" />
    <link rel="bookmark" href="/favicon.ico" type="image/gif" />
    <script type="text/javascript" charset="UTF-8" src="../libs/three/three.js"></script>
    <script type="text/javascript" charset="UTF-8" src="../libs/three/controls/FirstPersonControls.js"></script>
    <script type="text/javascript" src="../libs/util/Stats.js"></script>
    <script type="text/javascript" src="../libs/util/dat.gui.js"></script>
    <script type="text/javascript" src="js/util.js"></script>
    <script type="text/javascript">
 
 
        function init() {
 
            // listen to the resize events  监听窗体大小事件
            window.addEventListener('resize', onResize, false);
 
            var uniforms; //音量调节
            var fftSize = 0.2;
 
            var stats = initStats();
 
 
            // create a scene, that will hold all our elements such as objects, cameras and lights.
            var scene = new THREE.Scene();
 
 
            //声音
            var audioListener = new THREE.AudioListener();
 
 
            // create a camera, which defines where we're looking at.
            var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000);
 
            // create a render and set the size
            var renderer = new THREE.WebGLRenderer();
 
            renderer.setClearColor(new THREE.Color(0x000000));
            renderer.setSize(window.innerWidth, window.innerHeight);
            renderer.shadowMap.enabled = true;
 
            // create the ground plane
            var planeGeometry = new THREE.PlaneGeometry(60, 20, 1, 1);
            var planeMaterial = new THREE.MeshLambertMaterial({ color: 0xffffff });
            var plane = new THREE.Mesh(planeGeometry, planeMaterial);
            plane.receiveShadow = true;
 
            // rotate and position the plane
            plane.rotation.x = -0.5 * Math.PI;
            plane.position.x = 15;
            plane.position.y = 0;
            plane.position.z = 0;
 
            // add the plane to the scene
            scene.add(plane);
 
            // create a cube
            var cubeGeometry = new THREE.BoxGeometry(4, 4, 4);
            var cubeMaterial = new THREE.MeshLambertMaterial({ color: 0xff0000 });
            var cube = new THREE.Mesh(cubeGeometry, cubeMaterial);
            cube.castShadow = true;
 
            // position the cube
            cube.position.x = -4;
            cube.position.y = 3;
            cube.position.z = 0;
 
            // add the cube to the scene
            scene.add(cube);
 
            var sphereGeometry = new THREE.SphereGeometry(4, 20, 20);
            var sphereMaterial = new THREE.MeshLambertMaterial({ color: 0x7777ff });
            var sphere = new THREE.Mesh(sphereGeometry, sphereMaterial);
 
            // position the sphere
            sphere.position.x = 20;
            sphere.position.y = 0;
            sphere.position.z = 2;
            sphere.castShadow = true;
 
            // add the sphere to the scene
            scene.add(sphere);
 
            // position and point the camera to the center of the scene
            camera.position.x = -30;
            camera.position.y = 40;
            camera.position.z = 30;
            camera.lookAt(scene.position);
 
            // add subtle ambient lighting
            var ambienLight = new THREE.AmbientLight(0x353535);
            scene.add(ambienLight);
 
            // add spotlight for the shadows
            var spotLight = new THREE.SpotLight(0xffffff);
            spotLight.position.set(-10, 20, -5);
            spotLight.castShadow = true;
            scene.add(spotLight);
 
            // add the output of the renderer to the html element
            document.getElementById("webgl-output").appendChild(renderer.domElement);
 
 
 
            // Buttons startButton and resetButton
            //var startButton = document.getElementById('buttonaudioButton');
            //startButton.addEventListener('click', init);
 
 
 
 
 
            // call the render function
            var step = 0;
            var ro = 0;
            var controls = new function () {
                this.rotationSpeed = 0.02;
                this.bouncingSpeed = 0.03;
            };
 
            var gui = new dat.GUI();
            gui.add(controls, 'rotationSpeed', 0, 0.5);
            gui.add(controls, 'bouncingSpeed', 0, 0.5);
 
 
            // attach them here, since appendChild needs to be called first
            //  var trackballControls = initTrackballControls(camera, renderer);
            var clock = new THREE.Clock();
 
            // Boolean for start and restart
            var initAnim = true;
            var runAnim = false;
 
            var startButton = document.getElementById('buttonaudioButton');
            // startButton.addEventListener('click', init, false); //加载
            //bdat.gui.js.map
            startButton.innerHTML = '<img src="../../gui/volumeOff.png">';
            // Start Button
            startButton.onclick = function StartAnimation() {
                if (initAnim) {
                    initAnim = false;
                    runAnim = true;
                    theta = 0;
                    startButton.innerHTML = '<img src="../../gui/volumeOff.png">';
                }
                // Start and Pause
                if (runAnim) {
                    startButton.innerHTML = '<img src="../../gui/volumeOff.png">';
                    runAnim = false;
 
                } else {
                    startButton.innerHTML = '<img src="../../gui/volumeOn.png">';
                    runAnim = true;
 
                }
            }
            /**/
 
 
            //
 
            var audio = new THREE.Audio(audioListener);
 
            analyser = new THREE.AudioAnalyser(audio, 32);
            //
            var file = '../assets/audio/ping_pong.mp3';
 
            if (/(iPad|iPhone|iPod)/g.test(navigator.userAgent)) {
 
                const loader = new THREE.AudioLoader();
                loader.load(file, function (buffer) {
 
                    audio.setBuffer(buffer);
                    audio.setLoop(true); // 一次
                    audio.setVolume(0.5);
                    audio.play();
 
                });
 
            } else {
 
                const loader = new THREE.AudioLoader();
                loader.load(file, function (buffer) {
 
                    audio.setBuffer(buffer);
                    audio.setLoop(true); // 重复 false一次
                    audio.setVolume(0.5);
                    audio.play();
 
                });
 
 
                /*
                //2 不可以连续播放
                const mediaElement = new Audio(file);
               // mediaElement.setBuffer(buffer);
                mediaElement.play();
                audio.setMediaElementSource(mediaElement);
                */
 
            }
 
            /**/
            var format = (renderer.capabilities.isWebGL2) ? THREE.RedFormat : THREE.LuminanceFormat;
 
            uniforms = {
 
                tAudioData: { value: new THREE.DataTexture(analyser.data, fftSize / 2, 1, format) }
 
            };
 
            animate();
            //render();
 
 
            function animate() {
 
                requestAnimationFrame(animate);
                render();
 
            }
 
 
            function render() {
 
                //  // update the stats and the controls
                //trackballControls.update(clock.getDelta());
                // stats.update();
                //
                if (runAnim) {
                    audio.play();
                }
                else {
                    audio.stop();  //停止}
                }
 
 
                analyser.getFrequencyData();
                uniforms.tAudioData.value.needsUpdate = true;
 
 
 
                ro += controls.rotationSpeed;
                // rotate the cube around its axes
                cube.rotation.x += controls.rotationSpeed;
                cube.rotation.y += controls.rotationSpeed;
                cube.rotation.z += controls.rotationSpeed;
                console.log("ro:" + ro);
                // bounce the sphere up and down
                step += controls.bouncingSpeed;
                sphere.position.x = 20 + (10 * (Math.cos(step)));
                sphere.position.y = 2 + (10 * Math.abs(Math.sin(step)));
                console.log("setp:" + step);
                // render using requestAnimationFrame
 
 
                requestAnimationFrame(render);
                renderer.render(scene, camera);
 
 
 
 
            }
 
            //根据窗体的大小改变,有一定的算法
            function onResize() {
                camera.aspect = window.innerWidth / window.innerHeight;
                camera.updateProjectionMatrix();
                renderer.setSize(window.innerWidth, window.innerHeight);
            }
 
        }
 
 
    </script>
 
 
    <link rel="stylesheet" href="../css/default.css">
    <style>
        div {
            display: block;
        }
 
        #fwa {
            width: 100px;
            height: 100px;
            left: 0;
            bottom: 0;
            position: absolute;
            opacity: 0;
            z-index: 10
        }
 
        .buttonBG {
            z-index: 2;
            background-color: #000;
            position: absolute;
            border: 1px solid #fff;
        }
 
        .button {
            text-align: center;
            font-size: 1em;
            color: #eee;
            line-height: 40px;
            z-index: 40;
            position: absolute;
        }
 
        #topLeft {
            left: 15px;
        }
 
        #topLeft, #topRight {
            width: 130px;
            height: 40px;
            position: absolute;
            z-index: 2;
            top: 150px;
        }
 
 
        #topRight {
            right: 15px;
        }
 
        #topLeft, #topRight {
            width: 130px;
            height: 40px;
            position: absolute;
            z-index: 2;
            top: 150px;
        }
 
        #toolBar {
            width: 590px;
            height: 40px;
            left: 50%;
            margin-left: -145px;
            bottom: 40px;
            z-index: 2;
            position: absolute;
            color: #ff0000;
        }
    </style>
</head>
<body>
    <div id="webgl-output"></div>
    <div id="toolBar"><div id="audioButton" style="visibility: visible; left: 255px;"><div id="backgroundaudioButton" class="buttonBG" style="width: 40px; height: 40px; opacity: 0.5; left: 255px;"></div><div id="buttonaudioButton" class="button" style="width: 40px; height: 40px; left: 255px;"><img src="../../gui/volumeOn.png"></div></div></div>
 
    <!-- Javascript code that runs our Three.js examples -->
    <script type="text/javascript">
        (function () {
            // your page initialization code here
            // the DOM will be available here
            init()
        })();
    </script>
 
</body>
</html>

  

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
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <meta name="apple-moible-web-app-capable" content="yes">
    <meta name="apple-moible-web-app-status-bar-style" content="black">
    <title>Control gui and set Volume</title>
    <meta content=" Three.js r95 声音调节 set Volume" name="keywords">
    <meta content=" Three.js r95 播放声音并调节 set Volume" name="description">
    <meta name="author" content="Geovin Du 涂聚文 塗聚文">
    <link rel="shortcut icon" href="~/favicon.ico" type="image/x-icon" />
    <link rel="icon" href="/favicon.ico" />
    <link rel="bookmark" href="/favicon.ico" type="image/gif" />
    <script type="text/javascript" charset="UTF-8" src="../libs/three/three.js"></script>
    <script type="text/javascript" charset="UTF-8" src="../libs/three/controls/TrackballControls.js"></script>
    <script type="text/javascript" src="../libs/util/Stats.js"></script>
    <script type="text/javascript" src="../libs/util/dat.gui.js"></script>
    <script type="text/javascript" src="js/util.js"></script>
    <script type="text/javascript">
        function init() {
 
 
            // listen to the resize events  监听窗体大小事件
            window.addEventListener('resize', onResize, false);
            var uniforms; //音量调节
            var fftSize = 0.2;
            var stats = initStats();
 
            //声音
            var audioListener = new THREE.AudioListener();
 
            // create a scene, that will hold all our elements such as objects, cameras and lights.
            var scene = new THREE.Scene();
 
            // create a camera, which defines where we're looking at.
            var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000);
 
            // create a render and set the size
            var renderer = new THREE.WebGLRenderer();
 
            renderer.setClearColor(new THREE.Color(0x000000));
            renderer.setSize(window.innerWidth, window.innerHeight);
            renderer.shadowMap.enabled = true;
 
            // create the ground plane
            var planeGeometry = new THREE.PlaneGeometry(60, 20, 1, 1);
            var planeMaterial = new THREE.MeshLambertMaterial({ color: 0xffffff });
            var plane = new THREE.Mesh(planeGeometry, planeMaterial);
            plane.receiveShadow = true;
 
            // rotate and position the plane
            plane.rotation.x = -0.5 * Math.PI;
            plane.position.x = 15;
            plane.position.y = 0;
            plane.position.z = 0;
 
            // add the plane to the scene
            scene.add(plane);
 
            // create a cube
            var cubeGeometry = new THREE.BoxGeometry(4, 4, 4);
            var cubeMaterial = new THREE.MeshLambertMaterial({ color: 0xff0000 });
            var cube = new THREE.Mesh(cubeGeometry, cubeMaterial);
            cube.castShadow = true;
            // position the cube
            cube.position.x = -4;
            cube.position.y = 3;
            cube.position.z = 0;
 
            // add the cube to the scene
            scene.add(cube);
 
            var sphereGeometry = new THREE.SphereGeometry(4, 20, 20);
            var sphereMaterial = new THREE.MeshLambertMaterial({ color: 0x7777ff });
            var sphere = new THREE.Mesh(sphereGeometry, sphereMaterial);
 
            // position the sphere
            sphere.position.x = 20;
            sphere.position.y = 0;
            sphere.position.z = 2;
            sphere.castShadow = true;
 
            // add the sphere to the scene
            scene.add(sphere);
 
            // position and point the camera to the center of the scene
            camera.position.x = -30;
            camera.position.y = 40;
            camera.position.z = 30;
            camera.lookAt(scene.position);
 
 
 
 
            // 设置声音add the listener to the camera
            camera.add(audioListener);
            // instantiate audio object
            var oceanAmbientSound = new THREE.Audio(audioListener);
            // add the audio object to the scene
            scene.add(oceanAmbientSound);
 
 
 
            // Boolean for start and restart
            var initAnim = true;
            var runAnim = false;
 
            // Buttons startButton and resetButton
            var startButton = document.getElementById('buttonaudioButton');
            //startButton.addEventListener('click', init);
 
            //开始加载时
            startButton.innerHTML = '<img src="../../gui/volumeOff.png" alt="关" title="关">';
            // Start Button
            startButton.onclick = function StartAnimation() {
 
                if (initAnim) {
                    initAnim = false;
                    runAnim = true;
                    theta = 0;
                    startButton.innerHTML = '<img src="../../gui/volumeOff.png" alt="关"   title="关">';
                    //render();
                }
                // Start and Pause
                if (runAnim) {
                    startButton.innerHTML = '<img src="../../gui/volumeOff.png" alt="关" title="关">';
                    runAnim = false;
                    // render();
                } else {
                    startButton.innerHTML = '<img src="../../gui/volumeOn.png" alt="开" title="开">';
                    runAnim = true;
                    // render();
                }
            }
 
 
            // instantiate a loader
            var loader = new THREE.AudioLoader();
            // load a resource
            loader.load(
                // resource URL
                '../assets/audio/ping_pong.mp3',
                // Function when resource is loaded
                function (audioBuffer) {
                    // set the audio object buffer to the loaded object
                    oceanAmbientSound.setBuffer(audioBuffer);
                    oceanAmbientSound.setLoop(true); // 一次
                    oceanAmbientSound.setVolume(0.1);
                    // play the audio
                    oceanAmbientSound.play();
                    //oceanAmbientSound.stop();  //停止
                },
                // Function called when download progresses
                function (xhr) {
                    console.log((xhr.loaded / xhr.total * 100) + '% loaded');
                },
                // Function called when download errors
                function (xhr) {
                    console.log('An error happened');
                }
            );
 
 
            // create an AudioAnalyser, passing in the sound and desired fftSize
            var analyser = new THREE.AudioAnalyser(oceanAmbientSound, 32);
            //
            const format = (renderer.capabilities.isWebGL2) ? THREE.RedFormat : THREE.LuminanceFormat;
            uniforms = {
                tAudioData: { value: new THREE.DataTexture(analyser.data, fftSize / 2, 1, format) }
            };
 
            // get the average frequency of the sound
            var data = analyser.getAverageFrequency();
            var listener = new THREE.AudioListener();
            camera.add(listener);
            //
 
 
            // add subtle ambient lighting
            var ambienLight = new THREE.AmbientLight(0x353535);
            scene.add(ambienLight);
 
            // add spotlight for the shadows
            var spotLight = new THREE.SpotLight(0xffffff);
            spotLight.position.set(-10, 20, -5);
            spotLight.castShadow = true;
            scene.add(spotLight);
 
            // add the output of the renderer to the html element
            document.getElementById("webgl-output").appendChild(renderer.domElement);
 
            // call the render function
            var step = 0;
            var num = 0;
            //添加控件
            var controls = new function () {
                this.rotationSpeed = 0.02;
                this.bouncingSpeed = 0.03;
                this.SoundSpeed = 0.1;//初始值
            };
 
            var gui = new dat.GUI();
            gui.add(controls, 'rotationSpeed', 0, 0.5); //最高值
            gui.add(controls, 'bouncingSpeed', 0, 0.5);//最高值
            gui.add(controls, 'SoundSpeed', 0, 5.0);  //音量调节最高值
 
            // attach them here, since appendChild needs to be called first
            var trackballControls = initTrackballControls(camera, renderer);
            var clock = new THREE.Clock();
 
 
 
 
            animate();
            //render();
 
 
            function animate() {
 
                requestAnimationFrame(animate);
                render();
 
            }
 
 
 
            //render();
 
            function render() {
                // update the stats and the controls
               // trackballControls.update(clock.getDelta());
                //stats.update();
 
 
                if (runAnim)
                    oceanAmbientSound.play()
                else
                    oceanAmbientSound.stop();  //停止
 
                //声音音量调节
                num += controls.SoundSpeed;
                oceanAmbientSound.setVolume(num);
                if (num = 0)
                    oceanAmbientSound.stop();  //停止
                // analyser.getFrequencyData();
                uniforms.tAudioData.value.needsUpdate = true;
 
 
                // rotate the cube around its axes
                cube.rotation.x += controls.rotationSpeed;
                cube.rotation.y += controls.rotationSpeed;
                cube.rotation.z += controls.rotationSpeed;
 
                // bounce the sphere up and down
                step += controls.bouncingSpeed;
 
                sphere.position.x = 20 + (10 * (Math.cos(step)));
                sphere.position.y = 2 + (10 * Math.abs(Math.sin(step)));
 
                // render using requestAnimationFrame
                requestAnimationFrame(render);
                renderer.render(scene, camera);
            }
 
            //根据窗体的大小改变,有一定的算法
            function onResize() {
                camera.aspect = window.innerWidth / window.innerHeight;
                camera.updateProjectionMatrix();
                renderer.setSize(window.innerWidth, window.innerHeight);
            }
        }
    </script>
    <link rel="stylesheet" href="../css/default.css">
    <style>
        div {
            display: block;
        }
 
        #fwa {
            width: 100px;
            height: 100px;
            left: 0;
            bottom: 0;
            position: absolute;
            opacity: 0;
            z-index: 10
        }
 
        .buttonBG {
            z-index: 2;
            background-color: #000;
            position: absolute;
            border: 1px solid #fff;
        }
 
        .button {
            text-align: center;
            font-size: 1em;
            color: #eee;
            line-height: 40px;
            z-index: 40;
            position: absolute;
        }
 
        #topLeft {
            left: 15px;
        }
 
        #topLeft, #topRight {
            width: 130px;
            height: 40px;
            position: absolute;
            z-index: 2;
            top: 150px;
        }
 
 
        #topRight {
            right: 15px;
        }
 
        #topLeft, #topRight {
            width: 130px;
            height: 40px;
            position: absolute;
            z-index: 2;
            top: 150px;
        }
 
        #toolBar {
            width: 590px;
            height: 40px;
            left: 50%;
            margin-left: -145px;
            bottom: 40px;
            z-index: 2;
            position: absolute;
            color: #ff0000;
        }
    </style>
</head>
<body>
    <div id="webgl-output"></div>
    <div id="toolBar"><div id="audioButton" style="visibility: visible; left: 255px;"><div id="backgroundaudioButton" class="buttonBG" style="width: 40px; height: 40px; opacity: 0.5; left: 255px;"></div><div id="buttonaudioButton" class="button" style="width: 40px; height: 40px; left: 255px;"><img src="../../gui/volumeOn.png" alt="开" title="开"></div></div></div>
 
    <!-- Javascript code that runs our Three.js examples -->
    <script type="text/javascript">
        (function () {
            // your page initialization code here
            // the DOM will be available here
            init()
        })();
    </script>
</body>
</html>

  

 

posted @   ®Geovin Du Dream Park™  阅读(137)  评论(0编辑  收藏  举报
编辑推荐:
· AI与.NET技术实操系列:基于图像分类模型对图像进行分类
· go语言实现终端里的倒计时
· 如何编写易于单元测试的代码
· 10年+ .NET Coder 心语,封装的思维:从隐藏、稳定开始理解其本质意义
· .NET Core 中如何实现缓存的预热?
阅读排行:
· 25岁的心里话
· 闲置电脑爆改个人服务器(超详细) #公网映射 #Vmware虚拟网络编辑器
· 基于 Docker 搭建 FRP 内网穿透开源项目(很简单哒)
· 零经验选手,Compose 一天开发一款小游戏!
· 一起来玩mcp_server_sqlite,让AI帮你做增删改查!!
历史上的今天:
2013-03-04 sql script: Calculating Days
2009-03-04 sql 用户定义函数自动生成自增长ID
< 2025年3月 >
23 24 25 26 27 28 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 1 2 3 4 5
点击右上角即可分享
微信分享提示