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Second biome generator iteration

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Shoghi Cervantes
2015-01-08 01:05:05 +01:00
parent a76be6cf38
commit a893174473
17 changed files with 728 additions and 26 deletions
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36
src/pocketmine/level/generator/noise/Noise.php
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@ -55,19 +55,35 @@ abstract class Noise{
}
public static function bilinearLerp($x, $y, $q00, $q01, $q10, $q11, $x1, $x2, $y1, $y2){
$q0 = self::linearLerp($x, $x1, $x2, $q00, $q10);
$q1 = self::linearLerp($x, $x1, $x2, $q01, $q11);
return self::linearLerp($y, $y1, $y2, $q0, $q1);
$dx1 = (($x2 - $x) / ($x2 - $x1));
$dx2 = (($x - $x1) / ($x2 - $x1));
return (($y2 - $y) / ($y2 - $y1)) * (
$dx1 * $q00 + $dx2 * $q10
) + (($y - $y1) / ($y2 - $y1)) * (
$dx1 * $q01 + $dx2 * $q11
);
}
public static function trilinearLerp($x, $y, $z, $q000, $q001, $q010, $q011, $q100, $q101, $q110, $q111, $x1, $x2, $y1, $y2, $z1, $z2) {
$q00 = self::linearLerp($x, $x1, $x2, $q000, $q100);
$q01 = self::linearLerp($x, $x1, $x2, $q010, $q110);
$q10 = self::linearLerp($x, $x1, $x2, $q001, $q101);
$q11 = self::linearLerp($x, $x1, $x2, $q011, $q111);
$q0 = self::linearLerp($y, $y1, $y2, $q00, $q10);
$q1 = self::linearLerp($y, $y1, $y2, $q01, $q11);
return self::linearLerp($z, $z1, $z2, $q0, $q1);
$dx1 = (($x2 - $x) / ($x2 - $x1));
$dx2 = (($x - $x1) / ($x2 - $x1));
$dy1 = (($y2 - $y) / ($y2 - $y1));
$dy2 = (($y - $y1) / ($y2 - $y1));
return (($z2 - $z) / ($z2 - $z1)) * (
$dy1 * (
$dx1 * $q000 + $dx2 * $q100
) + $dy2 * (
$dx1 * $q001 + $dx2 * $q101
)
) + (($z - $z1) / ($z2 - $z1)) * (
$dy1 * (
$dx1 * $q010 + $dx2 * $q110
) + $dy2 * (
$dx1 * $q011 + $dx2 * $q111
)
);
}
public static function grad($hash, $x, $y, $z){