Add main game logic

30_Cube/csharp/RandomExtensions.cs

@@ -0,0 +1,14 @@
+namespace Cube;
+
+internal static class RandomExtensions
+{
+    internal static (float, float, float) NextLocation(this IRandom random, (int, int, int) bias)
+        => (random.NextCoordinate(bias.Item1), random.NextCoordinate(bias.Item2), random.NextCoordinate(bias.Item3));
+
+    private static float NextCoordinate(this IRandom random, int bias)
+    {
+        var value = random.Next(3);
+        if (value == 0) { value = bias; }
+        return value;
+    }
+}