v0.1

Subsurface/Source/Utils/Rand.cs

@@ -0,0 +1,46 @@
+using Microsoft.Xna.Framework;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Subsurface
+{
+    static class Rand
+    {
+        private static Random localRandom = new Random();
+        private static Random syncedRandom = new Random();
+
+        public static void SetSyncedSeed(int seed)
+        {
+            syncedRandom = new Random(seed);
+        }
+
+        public static float Range(float minimum, float maximum, bool local = true)
+        {
+            return (float)(local ? localRandom : syncedRandom).NextDouble() * (maximum - minimum) + minimum;
+       
+        }
+
+        public static int Range(int minimum, int maximum, bool local = true)
+        {
+            return (local ? localRandom : syncedRandom).Next(maximum - minimum) + minimum;
+            
+        }
+
+        public static int Int(int max = int.MaxValue, bool local = true)
+        {
+            return (local ? localRandom : syncedRandom).Next(max);            
+        }
+
+        public static Vector2 Vector(float length = 1.0f, bool local = true)
+        {
+            Vector2 randomVector = new Vector2(Range(-1.0f, 1.0f, local), Range(-1.0f, 1.0f, local));
+
+            if (randomVector == Vector2.Zero) return new Vector2(0.0f, length);
+
+            return Vector2.Normalize(randomVector) * length;
+        }       
+
+    }
+}