1 files changed, 97 insertions, 0 deletions
diff --git a/includes/rainbow.php b/includes/rainbow.php
new file mode 100644
index 0000000..c710be0
--- /dev/null
+++ b/includes/rainbow.php
@@ -0,0 +1,97 @@
+<?php
+
+require_once $_SERVER['DOCUMENT_ROOT'] . "/includes/bitset.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . "/includes/score.php";
+
+function rgbToHsl($r, $g, $b) {
+    $oldR = $r;
+    $oldG = $g;
+    $oldB = $b;
+
+    $r /= 255;
+    $g /= 255;
+    $b /= 255;
+
+    $max = max($r, $g, $b);
+    $min = min($r, $g, $b);
+
+    $l = ($max + $min) / 2;
+    $d = $max - $min;
+
+    if ($d == 0) {
+        $h = $s = 0;
+    } else {
+        $s = $d / (1 - abs(2 * $l - 1));
+
+        switch ($max) {
+            case $r:
+                $h = 60 * fmod((($g - $b) / $d), 6);
+                if ($b > $g) {
+                    $h += 360;
+                }
+                break;
+
+            case $g:
+                $h = 60 * (($b - $r) / $d + 2);
+                break;
+
+            case $b:
+                $h = 60 * (($r - $g) / $d + 4);
+                break;
+        }
+    }
+
+    return array(round($h, 2), round($s, 2), round($l, 2));
+}
+
+function rainbow(): array {
+    $members = scoreOrderGlobal();
+    $data = [];
+
+    foreach ($members as $member) {
+        $data[$member["name"]] = [
+            "_data" => $member
+        ];
+
+        if (isset($member["color"])) {
+            $data[$member["name"]]["rgb"] = [
+                hexdec(substr($member["color"], 0, 2)),
+                hexdec(substr($member["color"], 2, 2)),
+                hexdec(substr($member["color"], 4, 2))
+            ];
+            $data[$member["name"]]["hsl"] = rgbToHsl(
+                $data[$member["name"]]["rgb"][0],
+                $data[$member["name"]]["rgb"][1],
+                $data[$member["name"]]["rgb"][2]
+            );
+        } else {
+            $data[$member["name"]]["rgb"] = [255, 255, 255];
+            $data[$member["name"]]["hsl"] = rgbToHsl(255, 255, 255);
+        }
+    }
+
+    return $data;
+}
+
+function getMembersByColor(): array {
+    $members = rainbow();
+    uasort($members, function ($a, $b) {
+        return $a['hsl'][0] - $b['hsl'][0];
+    });
+    $members = [
+        ...array_filter($members, function ($i) {
+            return $i['hsl'][2] < 0.9 || $i['hsl'][1] > 0.2;
+        }),
+        ...array_filter($members, function ($i) {
+            return $i['hsl'][2] >= 0.9 || $i['hsl'][1] <= 0.2;
+        })
+    ];
+
+    $sorted = [];
+    foreach ($members as $data) {
+        $data["_data"]["hue"] = $data["hsl"][0];
+        $sorted[] = $data["_data"];
+    }
+
+    return $sorted;
+}
+\ No newline at end of file