function drawThinTriangle($x1, $y1, $x2, $y2, $x3, $y3)
{
return caca_draw_thin_triangle($this->cv, $x1, $y1, $x2, $y2, $x3, $y3);
}
function demo_triangles($cv, $bounds, $outline)
{
$w = caca_get_canvas_width($cv);
$h = caca_get_canvas_height($cv);
if ($bounds) {
$xa = caca_rand(-$w, 2 * $w);
$ya = caca_rand(-$h, 2 * $h);
$xb = caca_rand(-$w, 2 * $w);
$yb = caca_rand(-$h, 2 * $h);
$xc = caca_rand(-$w, 2 * $w);
$yc = caca_rand(-$h, 2 * $h);
} else {
$xa = caca_rand(0, $w);
$ya = caca_rand(0, $h);
$xb = caca_rand(0, $w);
$yb = caca_rand(0, $h);
$xc = caca_rand(0, $w);
$yc = caca_rand(0, $h);
}
caca_set_color_ansi($cv, caca_rand(0, 16), caca_rand(0, 16));
caca_fill_triangle($cv, $xa, $ya, $xb, $yb, $xc, $yc, ord('#'));
caca_set_color_ansi($cv, caca_rand(0, 16), CACA_BLACK);
if ($outline == 2) {
caca_draw_thin_triangle($cv, $xa, $ya, $xb, $yb, $xc, $yc);
} else {
if ($outline == 1) {
caca_draw_triangle($cv, $xa, $ya, $xb, $yb, $xc, $yc, ord('#'));
}
}
}