remove use of Math.Clamp()

Shared/SneakGame.cs

@@ -1,7 +1,7 @@
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
 using Microsoft.Xna.Framework.Input;
-using MonoGame.Framework.Utilities;
+// using MonoGame.Framework.Utilities;
 using System;
 
 namespace SemiColinGames {
@@ -25,8 +25,8 @@ namespace SemiColinGames {
     IWorld world;
 
     public SneakGame() {
-      Debug.WriteLine("MonoGame platform: " + PlatformInfo.MonoGamePlatform +
-          " w/ graphics backend: " + PlatformInfo.GraphicsBackend);
+      // Debug.WriteLine("MonoGame platform: " + PlatformInfo.MonoGamePlatform +
+      //     " w/ graphics backend: " + PlatformInfo.GraphicsBackend);
       graphics = new GraphicsDeviceManager(this) {
         SynchronizeWithVerticalRetrace = true,
         GraphicsProfile = GraphicsProfile.HiDef

Shared/SpiderWorld.cs

@@ -23,7 +23,8 @@ namespace SemiColinGames {
 
       public void Update(float modelTime, History<Input> input) {
         radius += 150 * modelTime * input[0].Motion.Y;
-        radius = Math.Clamp(radius, 50, 200);
+        radius = Math.Min(radius, 200);
+        radius = Math.Max(radius, 50);
         float angleChange = modelTime * momentum / radius;
         angle += angleChange;
         float x = anchor.X + radius * (float) Math.Sin(angle);