adds background

source/escape/Background.hx

@@ -0,0 +1,14 @@
+package escape;
+
+import flixel.FlxSprite;
+
+class Background extends FlxSprite {
+  public function new(width: Float, height: Float) {
+    super();
+
+    makeGraphic(Std.int(width), Std.int(height), 0x1100FF00);
+
+    immovable = true;
+    moves = false;
+  }
+}

source/escape/BaseLevel.hx

@@ -14,6 +14,8 @@ import openfl.Assets;
 class BaseLevel extends FlxGroup {
   public var foregrounds: FlxGroup;
   public var playerPosition: FlxPoint;
+  public var width(get, never): Float;
+  public var height(get, never): Float;
 
   var levelDataFilename: String;
   var tileGraphic: FlxTilemapGraphicAsset;
@@ -56,6 +58,9 @@ class BaseLevel extends FlxGroup {
     foregrounds.add(spikes);
   }
 
+  function get_width() return tiles.width;
+  function get_height() return tiles.height;
+
   public function updateCollisions(player: Player) {
     // NOTE: overridden in child classes
   }

source/escape/LevelState.hx

@@ -23,9 +23,11 @@ class LevelState extends FlxState {
   override public function create() {
     player = new Player();
     level = new Level(player, levelFile, tileGraphic);
+    var background = new Background(level.width, level.height);
 
     Camera.setup(player);
 
+    add(background);
     add(level);
     add(player);
     add(player.feetTrigger);