Yin and yang: Difference between revisions
Add Modula-2
Puppydrum64 (talk | contribs) m (→{{header|68000 Assembly}}: general clarification) |
Not a robot (talk | contribs) (Add Modula-2) |
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end.</lang>
=={{header|Modula-2}}==
<lang modula2>MODULE Taijitu;
FROM InOut IMPORT Write, WriteLn;
PROCEDURE YinYang(r: INTEGER);
VAR x, y: INTEGER;
PROCEDURE circle(x, y, c, r: INTEGER): BOOLEAN;
BEGIN
RETURN r*r >= (x DIV 2) * (x DIV 2) + (y-c) * (y-c);
END circle;
PROCEDURE pixel(x, y, r: INTEGER): CHAR;
BEGIN
IF circle(x, y, -r DIV 2, r DIV 6) THEN RETURN '#';
ELSIF circle(x, y, r DIV 2, r DIV 6) THEN RETURN '.';
ELSIF circle(x, y, -r DIV 2, r DIV 2) THEN RETURN '.';
ELSIF circle(x, y, r DIV 2, r DIV 2) THEN RETURN '#';
ELSIF circle(x, y, 0, r) THEN
IF x<0 THEN RETURN '.';
ELSE RETURN '#';
END;
ELSE RETURN ' ';
END;
END pixel;
BEGIN
FOR y := -r TO r DO
FOR x := -2*r TO 2*r DO
Write(pixel(x,y,r));
END;
WriteLn();
END;
END YinYang;
BEGIN
YinYang(4);
WriteLn();
YinYang(8);
END Taijitu.</lang>
{{out}}
<pre> ..
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..####..######
..########
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..
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..........####################
........######################
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....######......##########
......######..############
....##################
..############
## </pre>
=={{header|NetRexx}}==
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