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https://git.sr.ht/~rabbits/macintosh_cookbook
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33 lines
707 B
ObjectPascal
33 lines
707 B
ObjectPascal
program ExampleShapes;
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procedure TraceShape (cx, cy, r, sides: real);
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const
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PI = 3.141592654;
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var
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side: Real;
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ax, ay, bx, by: Real;
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center: Point;
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begin
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side := sides;
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setPt(center, 100, 100);
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repeat
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ax := center.h + r * cos(2 * PI * side / sides);
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ay := center.v + r * sin(2 * PI * side / sides);
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bx := center.h + r * cos(2 * PI * (side + 1) / sides);
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by := center.v + r * sin(2 * PI * (side + 1) / sides);
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MoveTo(round(ax), round(ay));
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LineTo(round(bx), round(by));
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side := side - 1;
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until side < 1;
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end;
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begin
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ShowDrawing;
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TraceShape(100, 100, 60, 24);
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TraceShape(100, 100, 60, 12);
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TraceShape(100, 100, 60, 6);
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TraceShape(100, 100, 60, 3);
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end. |