My first blog post explaining some of the code behind my Paper Snowflake web app. In this installment, we look at how multiple canvases are used together to handle drawing and interactivity tasks.
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I can see your particle remnants: misadventures in alpha blending.
Are you fading out images in the HTML5 canvas by painting a transparent black rectangle over the top? Did you test your animation in different browsers? You may be unaware that ugly gray remnants are being left behind. I discuss the problem, how to predict the color of these remnants, and some workarounds.