I finished up the iPad version of the site http://content.theknot.com/sitelets/magic-weight-ball/ipad which requires iOS 4.2 or higher and was pretty happy with the results. It responds to a full shake event to give you another tip, the tip will bob lightly in the water when moved a little bit and the tip orients to the iPad. When the tip is touched it provides a little modal with more details. The site even supports landscape and portrait viewing.
About half way through developing the iPad version the email I was expecting arrived. “Oh no!” they said, “We need a static non-shakable version for desktop users to visit.” I was already prepared though. When I though about a desktop version I first defaulted to Flash but I wanted to give Raphaël a try first. With a IE6 PNG alpha transparency fix and a small work around for IE to get the Raphaël image src it was up and running on the desktop.
You can visit http://content.theknot.com/sitelets/magic-weight-ball/ to see the result and if you happen to hit the page in an iPad you will get a slightly modified version that still responds to the shake events, always giving the best experience possible.
The weight ball interface itself is a series of 3 layered PNG images. The top most image is a 24bit eight ball and the rest of the tips, triangles and back black images are all 8bit PNG images with the a properly picked matte color. The total site size was reduced as much as possible and the designers loved the look. I reduced the number of colors where ever possible and used a pattern dither, it really seemed to look the best even though it bumped up the file size a bit.
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