diff --git a/OpenRA.Game/WorldUtils.cs b/OpenRA.Game/WorldUtils.cs
index 4045c7af59..965c6d8d33 100755
--- a/OpenRA.Game/WorldUtils.cs
+++ b/OpenRA.Game/WorldUtils.cs
@@ -138,19 +138,6 @@ namespace OpenRA
 				r.Next(w.Map.Bounds.Top, w.Map.Bounds.Bottom));
 		}
 
-		public static float Gauss1D(this Thirdparty.Random r, int samples)
-		{
-			return Exts.MakeArray(samples, _ => r.NextFloat() * 2 - 1f)
-				.Sum() / samples;
-		}
-
-		// Returns a random offset in the range [-1..1,-1..1] with a separable
-		// Gauss distribution with 'samples' values taken for each axis
-		public static float2 Gauss2D(this Thirdparty.Random r, int samples)
-		{
-			return new float2(Gauss1D(r, samples), Gauss1D(r, samples));
-		}
-
 		public static bool HasVoices(this Actor a)
 		{
 			var selectable = a.Info.Traits.GetOrDefault<SelectableInfo>();
diff --git a/OpenRA.Mods.RA/TeslaZapRenderable.cs b/OpenRA.Mods.RA/TeslaZapRenderable.cs
index 0bdf0186ce..0e6d883147 100755
--- a/OpenRA.Mods.RA/TeslaZapRenderable.cs
+++ b/OpenRA.Mods.RA/TeslaZapRenderable.cs
@@ -101,8 +101,8 @@ namespace OpenRA.Mods.RA
 			var renderables = new List<IRenderable>();
 			if (Game.CosmeticRandom.Next(2) != 0)
 			{
-				var p1 = from + (1 / 3f) * dist + Game.CosmeticRandom.Gauss1D(1) * .2f * dist.Length * norm;
-				var p2 = from + (2 / 3f) * dist + Game.CosmeticRandom.Gauss1D(1) * .2f * dist.Length * norm;
+				var p1 = from + (1 / 3f) * dist + WRange.FromPDF(Game.CosmeticRandom, 2).Range * dist.Length / 4096 * norm;
+				var p2 = from + (2 / 3f) * dist + WRange.FromPDF(Game.CosmeticRandom, 2).Range * dist.Length / 4096 * norm;
 
 				renderables.AddRange(DrawZap(wr, from, p1, s, out p1));
 				renderables.AddRange(DrawZap(wr, p1, p2, s, out p2));
@@ -110,7 +110,7 @@ namespace OpenRA.Mods.RA
 			}
 			else
 			{
-				var p1 = from + (1 / 2f) * dist + Game.CosmeticRandom.Gauss1D(1) * .2f * dist.Length * norm;
+				var p1 = from + (1 / 2f) * dist + WRange.FromPDF(Game.CosmeticRandom, 2).Range * dist.Length / 4096 * norm;
 
 				renderables.AddRange(DrawZap(wr, from, p1, s, out p1));
 				renderables.AddRange(DrawZap(wr, p1, to, s, out z));
diff --git a/OpenRA.Mods.RA/ThrowsParticle.cs b/OpenRA.Mods.RA/ThrowsParticle.cs
index 7f7360d264..0bf3b1a36e 100644
--- a/OpenRA.Mods.RA/ThrowsParticle.cs
+++ b/OpenRA.Mods.RA/ThrowsParticle.cs
@@ -76,7 +76,7 @@ namespace OpenRA.Mods.RA
 			length = (finalPos - initialPos).Length / info.Velocity;
 
 			// Facing rotation
-			rotation = Game.CosmeticRandom.Gauss1D(2) * info.ROT;
+			rotation = WRange.FromPDF(Game.CosmeticRandom, 2).Range * info.ROT / 1024;
 
 			var anim = new Animation(rs.GetImage(self), () => (int)facing);
 			anim.PlayRepeating(info.Anim);