csound-web/stria.html at main · TheSoundOfAIOSR/csound-web · GitHub

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
<!DOCTYPE html>
<html>
<!--
 csound.js stria example
 Copyright (C) 2017 V Lazzarini
-->

<head>
  <title>WebAudio Csound</title>

  <style type="text/css">
    html,
    body {
      font-family: Monospace;
      color: #bf94f7;
      background-color: #000055;
    }

    #console {
      font-family: Monospace;
      color: #b5b6ff;
      background-color: #000000;
      font-size: 16px;
      width: 805px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-style: solid;
      padding: 20px 0px;
    }


    H1 {
      font-size: 36px;
    }

    #playButton {
      margin: auto;
      font-family: Monospace;
      width: 810px;
      padding: 10px 0px;
      font-size: 24px;
      background-color: #b5b6ff;
    }
  </style>

  <script type="text/javascript" src="csound.js"></script>
  <script type="text/javascript">
    // called by csound.js
    function moduleDidLoad() {
      document.getElementById('playButton').disabled = false;
      CsoundObj.CSOUND_AUDIO_CONTEXT.suspend();
      csound.PlayCsd("stria.csd");

    }

    function attachListeners() {

    }
    var count = 0;

    function handleMessage(message) {
      var element = document.getElementById('console');
      element.value += message;
      element.scrollTop = 99999; // focus on bottom
      count += 1;
      if (count == 1000) {
        element.value = ' ';
        count = 0;
      }
    }

    var playing = false;
    var started = false;

    function click_this() {
      if (playing == false) {
        CsoundObj.CSOUND_AUDIO_CONTEXT.resume();
        if (started == false) {
          console.log("\n Stria by John Chowning");
          console.log("reconstruction by K. Dahan \n");
          started = true;
        }
        document.getElementById('playButton').innerText = "pause";
        playing = true;
      } else {
        CsoundObj.CSOUND_AUDIO_CONTEXT.suspend();
        document.getElementById('playButton').innerText = "play";
        playing = false;
      }
    }
  </script>
</head>

<body>
  <H1> John Chowning: Stria </H1>
  <textarea class="console" rows="24" id="console">
    Csound: not loaded</textarea>
  <p>
    <button id="playButton" disabled onclick="click_this()">play</button>
  </p>
</body>

</html>