I was wondering what was the most efficient way to rotate a JavaScript array.  I came up with this solution, where a positive n rotates the array to the right, and a negative n to the left (-length < n < length) :  Array.prototype.rotateRight...
First of all, I am not a mathematical expert at all. Please be tolerant to my mathematical mistakes and correct me where necessary, I'd love to learn.  I have a cube which is rotating using css animations with transform: matrix3d(4x4). I can also...
Basically I'm asking this question for JavaScript: Calculate Bounding box coordinates from a rotated rectangle    In this case:   iX = Width of rotated (blue) HTML element iY = Height of rotated (blue) HTML element bx = Width of Bounding Box (red...
I am making a loading spinner with html5 canvas. I have my graphic on the canvas but when i rotate it the image rotates off the canvas. How do I tell it to spin the graphic on its center point?  <!DOCTYPE html> <html>  <head>   <...
How do you rotate an image with the canvas html5 element from the bottom center angle?  <html>     <head>         <title>test</title>         <script type="text/javascript">             function startup() {...
I'm trying to make the img with the id image rotate using the onclick event handler to use the code in my function which grabs the image by ID assigns a variable name, then uses the variable name to rotate. I'm not really sure where i when wr...
Working in HTML div to rotate and resize with Javascript.  Sample image:   I can't able to make a corner remains fixed while resize after rotate.  Possible duplicates are:  How to calculate translate x and y value when resize after rotate..?  Res...
How can I change the starting point of a svg circle for animate it progressively begining at 0 o'clock? the default circle svg begin at 3 o'clock.  My current circle ( hover for animation):    #timeline{ 	position:fixed; 	width:500px; 	height...
Okay, so for my final in a web class, we are just supposed to make a website do whatever we went. I'm done now and decided to add some fun stuff.  I want to use -webkit-transform: rotate(-4deg); on the body.  How can I do that in a javascript fun...
I just don't want the site change orientation when iPhone change orientation.  Is it possible?...

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