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sanaerosen/jsbin.oWOfadIM.html

Created December 15, 2013 23:20
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jsbin.oWOfadIM.html
<meta name="description" content="Blinkenlights" />
<html>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<script src="http://blinken.eecs.umich.edu/client.js"></script>
<body></body>
</html>
Raw
jsbin.oWOfadIM.js
(new Blinken()).run(function () {
// substitute in your own score here!
var notes = [0,0,4,4,5,5,4,3,3,2,2,1,1,0,
4,4,3,3,2,2,1,4,4,3,3,2,2,1,
0,0,4,4,5,5,4,3,3,2,2,1,1,0];
var beats = [1,1,1,1,1,1,2,1,1,1,1,1,1,2,
1,1,1,1,1,1,2,1,1,1,1,1,1,2,
1,1,1,1,1,1,2,1,1,1,1,1,1,2];
var j = 0;
var octaves = 1;
var metronome = 700;
var pause = 200;
var on = true;
// Update lights one frame
return function (lights) {
var limit = (octaves * 8) *
Math.floor(lights.length/(octaves * 8));
if (!on) {
for (i = 0; i < limit; i++) {
lights[i].a = 0;
}
on = true;
return pause;
}
for (i = 0; i < limit; i++) {
var i_mod = i % (8 * octaves);
lights[i].rgb(1,1,0);
if (i_mod == notes[j]) {
lights[i].a = 1;
} else {
lights[i].a = 0;
}
}
var time = beats[j] * (metronome - pause);
j += 1;
if (j == notes.length) {
j = 0;
}
on = false;
return time;
};
});
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