STAR
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You know the intervals in the cinema when they sell ice-cream? You know
when you walk into a lamp-post? You know those moments for which Channel
4 cannot find advertisements? This program for the 16K Spectrum makes
patterns like that.

As a demonstration of the Spectrum high-resolution graphics, Star is
very impressive, producing multi-faceted polygons to order by means of
the mathematics in lines 70 to 190. The program proceeds by dividing a
circle into n parts to obtain the angle at the centre, finding the
co-ordinates of those n points - where s is the radius and cx,cy the
centre of the circle - and then drawing a line from every point to every
other point. The listing was submitted by L.J. Wilkinson of
Stockton-on-Tees.