Add some convenience fucntions

src/Noise.php

@@ -15,18 +15,16 @@ class Noise
         $this->noise = new PerlinNoise($seed);
     }
 
-    public function generate(int $x, int $y): Color
+    private function getTransitions(): array
     {
-        $deepwater = new Color(0, 110, 180);
+        $deepwater = new Color('#006eb4');
         $water = new Color(0, 156, 244);
         $sand = new Color(238, 226, 104);
         $grass = new Color(25, 171, 64);
         $mountain = new Color(96, 93, 100);
         $snow = new Color(255, 255, 255);
 
-        $rand = $this->noise->random2D($x, $y, 150);
-
-        $transitions = [
+        return [
             [-1.0, $deepwater],
             [-0.9, $water],
             [0.0, $sand],
@@ -34,13 +32,24 @@ class Noise
             [0.997, $mountain],
             [1.0, $snow],
         ];
+    }
+
+    public function generate(int $x, int $y): Color
+    {
+        $rand = $this->noise->random2D($x, $y, 150);
+        $transitions = $this->getTransitions();
 
         for ($i = 0; $i < count($transitions) - 1; $i++) {
             $transition = $transitions[$i];
             $nextTransition = $transitions[$i + 1];
             if ($rand >= $transition[0] && $rand < $nextTransition[0]) {
-                return $transition[1]->lerp($nextTransition[1], ($rand - $transition[0]) * (1.0 / ($nextTransition[0] - $transition[0])));
+                return $this->lerpTerrain($transition[1], $nextTransition[1], $transition[0], $nextTransition[0], $rand);
             }
         }
     }
+
+    public function lerpTerrain(Color $color1, Color $color2, float $begin, float $end, float $value): Color
+    {
+        return $color1->lerp($color2, ($value - $begin) * (1.0 / ($end - $begin)));
+    }
 }

src/PerlinNoise.php

@@ -148,7 +148,6 @@ class PerlinNoise
         return $value;
     }
 
-    //Same as random1D() only for 2 dimensions.
     function random2D(float $x, float $y, ?int $size = NULL): float
     {
         if ($size === NULL) {

src/dto/Color.php

@@ -4,14 +4,16 @@ namespace Ardent\Game\dto;
 
 class Color
 {
-
     public function __construct(
-        public int $red,
-        public int $green,
-        public int $blue,
-        public int $alpha = 255
+        private int|string $red,
+        private int $green = 0,
+        private int $blue = 0,
+        private readonly int $alpha = 255
     )
     {
+        if (is_string($red)) {
+            list($this->red, $this->green, $this->blue) = sscanf($this->red, "#%02x%02x%02x");
+        }
     }
 
     public function getCode(): string