added falling sand - dirt actually

Scripts/Main.cs

@@ -2,7 +2,7 @@ using FOU.Scripts;
 using Godot;
 
 public partial class Main : Node2D {
-	[Export] public int BrushSize = 10;
+	[Export] public int BrushSize = 5;
 
 	private TextureRect mLevelDrawer;
 	private Level mLevel;
@@ -13,6 +13,8 @@ public partial class Main : Node2D {
 	}
 
 	public override void _Process(double delta) {
+
+		mLevel.Update();
 		mLevelDrawer.Texture = ImageTexture.CreateFromImage(mLevel.DrawLevel());
 	}