\n";
return $point;
}
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
$curve = '';
$y = 0;
for ($x = (float)0; $x < 720; $x+=1.0 )
{
$y_neu = round((sin(deg2rad($x))*150)+200);
#if ($y_neu != $y)
{
$curve .= make_point($x, $y_neu,'sinus');
}
#$y = $y_neu;
}
$line = '';
for ($x = (float)0; $x < 720; $x+=2.0 )
{
$line .= make_point($x, 200, 'line');
}
$circle = '';
$r = 100.0;
$r2 = $r*$r;
for ($x = -$r; $x <= $r; $x++)
{
$x2 = $x*$x;
$circle .= make_point($x + 100, 200.0 + sqrt($r2 - $x2), 'kreis');
$circle .= make_point($x + 100, 200.0 - sqrt($r2 - $x2), 'kreis');
}
###############################################################################
# HTML-Output
###############################################################################
?>
Sinus-Kurve