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Monday, February 02, 2009

Lilac Chaser - Optical illusion using Silverlight







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"When one stares at the center for about 20 seconds or so, one first sees a gap running around the circle of lilac disks, then a green disk running around the circle of lilac disks, then a green disk running around on the grey background, the lilac disks having disappeared or having been erased by the green disk. This is due to an interesting effect in which the colors of the lilac disks are inverted in the optical illusion to a green color"
This optical illusion is called Lilac chaser . Just thought of creating a silverlight version of this illusion for fun. I have used a radial panel(from my old blog) to layout the ellipses radially, and implemented a a timer to change the visibility in a sequential way.

This kind of effects can be a good candidate for Splash sreen for silverlight applications :)
Full source can be found here 

1 comment:

Art said...

Yup, works for me.
Learn something new every day.
Thanks