-
Notifications
You must be signed in to change notification settings - Fork 0
/
index.html
executable file
·137 lines (116 loc) · 3.34 KB
/
index.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
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JS Drum Kit</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="keys">
<div data-key="65" class="key">
<kbd>A</kbd>
<span class="sound">clap</span>
</div>
<div data-key="83" class="key">
<kbd>S</kbd>
<span class="sound">hihat</span>
</div>
<div data-key="68" class="key">
<kbd>D</kbd>
<span class="sound">kick</span>
</div>
<div data-key="70" class="key">
<kbd>F</kbd>
<span class="sound">openhat</span>
</div>
<div data-key="71" class="key">
<kbd>G</kbd>
<span class="sound">boom</span>
</div>
<div data-key="72" class="key">
<kbd>H</kbd>
<span class="sound">ride</span>
</div>
<div data-key="74" class="key">
<kbd>J</kbd>
<span class="sound">snare</span>
</div>
<div data-key="75" class="key">
<kbd>K</kbd>
<span class="sound">tom</span>
</div>
<div data-key="76" class="key">
<kbd>L</kbd>
<span class="sound">tink</span>
</div>
</div>
<audio data-key="65" src="sounds/clap.wav"></audio>
<audio data-key="83" src="sounds/hihat.wav"></audio>
<audio data-key="68" src="sounds/kick.wav"></audio>
<audio data-key="70" src="sounds/openhat.wav"></audio>
<audio data-key="71" src="sounds/boom.wav"></audio>
<audio data-key="72" src="sounds/ride.wav"></audio>
<audio data-key="74" src="sounds/snare.wav"></audio>
<audio data-key="75" src="sounds/tom.wav"></audio>
<audio data-key="76" src="sounds/tink.wav"></audio>
<script>
var count = 0;
var end = 0;
var start = 0;
var myBeat = [];
function debounce(func, wait, immediate) {
var timeout;
return function() {
var context = this, args = arguments;
var later = function() {
timeout = null;
if (!immediate) func.apply(context, args);
};
var callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) func.apply(context, args);
};
};
function playDatKey( e ) {
//console.log( `played with ${e.keyCode}` );
const audio = document.querySelector( `audio[data-key="${e.keyCode}"]` );
const key = document.querySelector( `.key[data-key="${e.keyCode}"]` );
if (!audio) return;
audio.currentTime = 0;
key.classList.remove( 'playing' );
key.classList.add( 'playing' );
audio.addEventListener( 'ended', function( e ) {
key.classList.remove( 'playing' );
});
audio.addEventListener( 'stalled', function( e ) {
console.error( 'Stalled!' );
});
audio.play();
};
function runDatBeat( myBeat ) {
const myBeats = myBeat;
myBeats.forEach(keyObj => {
//console.log(keyObj);
setTimeout(() => {
playDatKey( { keyCode: keyObj.keyCode } );
}, keyObj.delay );
});
};
window.addEventListener('keydown', function( e ) {
if (start > 0) {
end = performance.now();
console.log(`in record mode
\nthis delay was ${end-start}`);
count = end - start;
} else {
start = performance.now();
count = 0;
}
console.log(count);
myBeat.push( { keyCode: e.keyCode, delay: count } );
runDatBeat( myBeat );
});
</script>
</body>
</html>