<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>
(new Blinken({title: "RGBY", author: "Clayton Webb"})).run(function (lights) {
var strandLength = 100;
var stripeColor1 = [1, 0, 0];
var stripeColor2 = [0, 1, 0];
var stripeColor3 = [0, 0, 1];
var stripeColor4 = [1, 1, 0];
var stripeWidth = 7;
var updateDelay = 100;
var direction = "up";
var stripeOffset = 0;
var repeatWidth = 4 * stripeWidth;
for (var i = 0; i < strandLength; i++) {
var offsetInRepeat = i % repeatWidth;
var thisColor;
if (offsetInRepeat < stripeWidth*4)
thisColor = stripeColor4;
if (offsetInRepeat < stripeWidth*3)
thisColor = stripeColor3;
if (offsetInRepeat < stripeWidth*2)
thisColor = stripeColor2;
if (offsetInRepeat < stripeWidth)
thisColor = stripeColor1;
lights[i].rgb(thisColor[0], thisColor[1], thisColor[2]);
}
// Update lights and return number of ms until
// this function gets called again.
return function () {
if (direction === "up") {
stripeOffset--;
if (stripeOffset < 0)
stripeOffset = repeatWidth;
} else {
stripeOffset++;
if (stripeOffset >= repeatWidth)
stripeOffset = 0;
}
for (var i = 0; i < strandLength; i++) {
var offsetInRepeat = (i + stripeOffset) % repeatWidth;
var thisColor;
if (offsetInRepeat < stripeWidth*4)
thisColor = stripeColor4;
if (offsetInRepeat < stripeWidth*3)
thisColor = stripeColor3;
if (offsetInRepeat < stripeWidth*2)
thisColor = stripeColor2;
if (offsetInRepeat < stripeWidth)
thisColor = stripeColor1;
lights[i].rgb(thisColor[0], thisColor[1], thisColor[2]);
}
return updateDelay;
};
});
Output
This bin was created anonymously and its free preview time has expired (learn why). — Get a free unrestricted account
Dismiss xKeyboard Shortcuts
Shortcut | Action |
---|---|
ctrl + [num] | Toggle nth panel |
ctrl + 0 | Close focused panel |
ctrl + enter | Re-render output. If console visible: run JS in console |
Ctrl + l | Clear the console |
ctrl + / | Toggle comment on selected lines |
ctrl + ] | Indents selected lines |
ctrl + [ | Unindents selected lines |
tab | Code complete & Emmet expand |
ctrl + shift + L | Beautify code in active panel |
ctrl + s | Save & lock current Bin from further changes |
ctrl + shift + s | Open the share options |
ctrl + y | Archive Bin |
Complete list of JS Bin shortcuts |
JS Bin URLs
URL | Action |
---|---|
/ | Show the full rendered output. This content will update in real time as it's updated from the /edit url. |
/edit | Edit the current bin |
/watch | Follow a Code Casting session |
/embed | Create an embeddable version of the bin |
/latest | Load the very latest bin (/latest goes in place of the revision) |
/[username]/last | View the last edited bin for this user |
/[username]/last/edit | Edit the last edited bin for this user |
/[username]/last/watch | Follow the Code Casting session for the latest bin for this user |
/quiet | Remove analytics and edit button from rendered output |
.js | Load only the JavaScript for a bin |
.css | Load only the CSS for a bin |
Except for username prefixed urls, the url may start with http://jsbin.com/abc and the url fragments can be added to the url to view it differently. |