added simple sleep state for elements

refactoring

Scripts/Main.cs

@@ -3,10 +3,14 @@ using FOU.Scripts.Elements;
 using Godot;
 
 public partial class Main : Node2D {
+	[Export] public bool DebugVisualization = false;
+
 	[Export] public int BrushSize = 5;
 	[Export] public float TextureResolution = 0.5f;
 	[Export] public float RainAmount = 0.01f;
 
+	public static Main Instance;
+
 	private TextureRect mLevelDrawer;
 	private Level mLevel;
 
@@ -15,6 +19,8 @@ public partial class Main : Node2D {
 						   (int)(GetViewportRect().Size.Y * TextureResolution), this
 						  );
 		mLevelDrawer = GetNode<TextureRect>("CanvasLayer/LevelDrawer");
+
+		Instance = this;
 	}
 
 	public override void _Process(double delta) {