...Here's the script:
for ($x = 1; $x <= SIZE_X ; $x++) {
for ($y = 1; $y <= SIZE_Y ; $y++) {
$amt = mt_rand(MIN_AMOUNT, MAX_AMOUNT);
$r = $amt*mt_rand(0,100);
$g = $amt*(mt_rand(0,100-$r));
$b = $amt*(100-$r-$g);
$sql = "INSERT INTO tile (x, y, r, g, b) VALUES ($x, $y, $r, $g...