\n");
print(" \n");
print(" \n");
print(" \n");
print(" \n");
print(" \n");
print(" \n");
# constant
$height = 100;
$screen = array();
# make entire screen black
for($x=0; $x < $height; $x++) {
$screen[] = array("r" => "00", "g" => "00", "b" => "00");
}
#
# modulo, $height är delare
#
# position red bar
$r = bcmod($t,$height);
$screen[$r-7]["r"] = "1f";
$screen[$r-6]["r"] = "3f";
$screen[$r-5]["r"] = "5f";
$screen[$r-4]["r"] = "7f";
$screen[$r-3]["r"] = "9f";
$screen[$r-2]["r"] = "bf";
$screen[$r-1]["r"] = "df";
$screen[$r] ["r"] = "ff";
$screen[$r+1]["r"] = "df";
$screen[$r+2]["r"] = "bf";
$screen[$r+3]["r"] = "9f";
$screen[$r+4]["r"] = "7f";
$screen[$r+5]["r"] = "5f";
$screen[$r+6]["r"] = "3f";
$screen[$r+7]["r"] = "1f";
#
# sinusgrejja
#
# position green bar
$g = ($height/2.2 * sin($t/20)) + ($height/2);
$screen[$g-7]["g"] = "1f";
$screen[$g-6]["g"] = "3f";
$screen[$g-5]["g"] = "5f";
$screen[$g-4]["g"] = "7f";
$screen[$g-3]["g"] = "9f";
$screen[$g-2]["g"] = "bf";
$screen[$g-1]["g"] = "df";
$screen[$g] ["g"] = "ff";
$screen[$g+1]["g"] = "df";
$screen[$g+2]["g"] = "bf";
$screen[$g+3]["g"] = "9f";
$screen[$g+4]["g"] = "7f";
$screen[$g+5]["g"] = "5f";
$screen[$g+6]["g"] = "3f";
$screen[$g+7]["g"] = "1f";
#
# /
# /
# position blue bar
$b = abs(bcmod((2 * $t),(2 * $height)) - $height);
$screen[$b-7]["b"] = "1f";
$screen[$b-6]["b"] = "3f";
$screen[$b-5]["b"] = "5f";
$screen[$b-4]["b"] = "7f";
$screen[$b-3]["b"] = "9f";
$screen[$b-2]["b"] = "bf";
$screen[$b-1]["b"] = "df";
$screen[$b] ["b"] = "ff";
$screen[$b+1]["b"] = "df";
$screen[$b+2]["b"] = "bf";
$screen[$b+3]["b"] = "9f";
$screen[$b+4]["b"] = "7f";
$screen[$b+5]["b"] = "5f";
$screen[$b+6]["b"] = "3f";
$screen[$b+7]["b"] = "1f";
# render buffer
for($x=0; $x<$height; $x++) {
$color = $screen["$x"]["r"].$screen["$x"]["g"].$screen["$x"]["b"];
print(" |
\n");
}
print("
\n");
print(" \n");
print(" \n");
print("