May 15, 2003

smoking clover

n.

[ITS] A display hack originally due to Bill Gosper. Many convergent lines are drawn on a color monitor in such a way that every pixel struck has its color incremented. The lines all have one endpoint in the middle of the screen; the other endpoints are spaced one pixel apart around the perimeter of a large square. The color map is then repeatedly rotated. This results in a striking, rainbow-hued, shimmering four-leaf clover. Gosper joked about keeping it hidden from the FDA (the U.S.'s Food and Drug Administration) lest its hallucinogenic properties cause it to be banned.

Posted by Jargon File at May 15, 2003 10:29 AM

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