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joi, 25 noiembrie 2010

How to Generate Noise with Canvas

Not too long ago, I noted on Twitter that it’d be fantastic if, one day, CSS3 provided support for adding noise to elements (not audio, but texture). After a bit of experimentation and Googling, I came across a solution that uses JavaScript and canvas to dynamically create noise.




The big question: is it practical to use a solution like this? Ehh — technically, sure. Browsers that don’t support canvas will simply display a solid background color. That being said, a tiny 24-bit PNG still works perfectly, and is what I’ll most likely continue to use until a more convenient solution becomes available.


What do you think? Or better yet, do you know of a better solution? Mostly, the purpose of this tutorial is mostly to work with canvas a bit, and toy around with things! Thanks for watching, and thank you to Mitch Johnson for the concept.


View the original article here