Playground now has more control; Implemented framework changes.

Live framerate and update rate changing commands added.

src/SlatedGameToolkit.Tools/Commands/GraphicalPlaygroundCommand.cs

@@ -14,7 +14,7 @@ namespace SlatedGameToolkit.Tools.Commands
 
         public bool Execute(IInteractable interactable, string[] args)
         {
-            if (args.Length != 1) return false;
+            if (args.Length < 1) return false;
             args[0] = args[0].ToLower();
             if (args[0].Equals("start")) {
                 if (GameEngine.IsRunning()) {
@@ -34,7 +34,7 @@ namespace SlatedGameToolkit.Tools.Commands
                 interactable.Tell("Running: " + GameEngine.IsRunning());
                 interactable.Tell("Target FPS: " + (GameEngine.targetFPS <= 0 ? "Not bounded." : GameEngine.targetFPS.ToString()));
                 interactable.Tell("Update Step: " + (GameEngine.UpdatesPerSecond <= 0 ? "Not Locked." : GameEngine.UpdatesPerSecond.ToString()));
-                interactable.Tell("Debug logging: " + logListener.Debug);
+                interactable.Tell("Debug logging: " + ((logListener == null) ? "false" : "true"));
                 return true;
             } else if (args[0].Equals("debug")) {
                 if (logListener == null) {
@@ -56,13 +56,31 @@ namespace SlatedGameToolkit.Tools.Commands
                     interactable.Tell("Stopped listening to game engine's logging.");
                 }
                 return true;
+            } else if (args[0].Equals("updates")) {
+                int updates;
+                if (args.Length < 2 || !int.TryParse(args[1], out updates)) {
+                    interactable.Tell("Missing numerical value dictating updates per second.");
+                } else {
+                    GameEngine.UpdatesPerSecond = updates;
+                    interactable.Tell("Target updates per second set to: " + updates);
+                }
+                return true;
+            } else if (args[0].Equals("framerate")) {
+                int frames;
+                if (args.Length < 2 || !int.TryParse(args[1], out frames)) {
+                    interactable.Tell("Missing numerical value dictating framerate.");
+                } else {
+                    GameEngine.targetFPS = frames;
+                    interactable.Tell("Target framerate set to: " + frames);
+                }
+                return true;
             }
             return false;
         }
 
         public string getDescription()
         {
-            return "Starts and stops the graphical playground.";
+            return "Controls the playground engine status.";
         }
 
         public string[] GetInvokers()
@@ -72,7 +90,7 @@ namespace SlatedGameToolkit.Tools.Commands
 
         public string getUsage(string arg)
         {
-            return "Usage: \"playground [start | stop | status]\" the required argument being whether to start, stop or get the current status of the game engine.";
+            return "\"playground [start | stop | status | log | debug | framerate <framerate> | updates <update rate>]\"";
         }
 
         public void Dispose()

src/SlatedGameToolkit.Tools/Utilities/Playground/MainState.cs

@@ -84,7 +84,8 @@ namespace SlatedGameToolkit.Tools.Utilities.Playground
 
         public void Render(double delta)
         {
-            renderer.Begin(Matrix4x4.Identity, delta);
+            camera.InterpolatePosition(delta);
+            renderer.Begin(Matrix4x4.Identity);
             renderer.Draw(logo);
             renderer.Draw(textureTester);
             renderer.Draw(untextured);