function map()
{
$this->clear();
$start = $this->options['start_column'];
$left = $start - $this->lines;
if ($left < 0) {
$left = 0;
}
$line = 0;
for ($col = $start; $col > $left; $col--) {
$this->set($line, $col, $this->options['character']);
$line++;
}
return parent::map();
}
function map()
{
$this->clear();
$start = $this->options['start_column'];
$right = $start + $this->lines;
if ($right < $this->columns) {
$right = $this->columns;
}
$line = 0;
for ($col = $start; $col < $right; $col++) {
$this->set($line, $col, $this->options['character']);
$line++;
}
return parent::map();
}
function map()
{
$this->clear();
for ($l = 0; $l < $this->lines; $l++) {
// line
$line_columns = (int) (($this->lines - $l) / $this->lines * $this->columns);
for ($c = 0; $c < $line_columns; $c++) {
// character
$x = 1.0 - $c / $line_columns;
$y = 1.0 - $l / $this->lines;
$r = Generator::random_0_1();
$z = Generator::f($x, $y);
if ($r > $z) {
$this->set($l, $c, $this->options['character']);
}
}
}
return parent::map();
}
