Optical Illusion!

Stare at the white dot in the center of the screen. After a few seconds you should see a pink circle moving amidst the bluish-green circles ... but there isn't any pink circle being drawn!

Source Listing

// // Program: Optical Illusion! // Author: Carol Wade // xc=xpixels()/2; yc=ypixels()/2 hide mouse; cls (15) solid color (0) solid circle (xc, yc, 2) Do Do j = 11, 0 a = 0.5236*j x = 200*cos(a) y = 200*sin(a) solid color (15) solid circle (xc+x, yc+y, 25) delay (125); read quitkey (27) solid color (11) solid circle (xc+x, yc+y, 25) Loop Loop

How To Run The Program If you're feeling ambitious and have nothing better to do, you could just copy the source listing by hand! However, there is a much easier way to do it: Copy the source listing into the Windows Clipboard Paste the Clipboard into a new text document Drop that text document onto the "Drop SiMPLE Listing Here" icon

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