Graveyard background tileset extended

js/GraphicSet.js

@@ -83,7 +83,7 @@ const GraphicSet = [
 	    gravity: 9.806,
         tilesetBackground: {
             path: 'graveyard-background.png',
-            tiles: 2,
+            tiles: 5,
             scale: 1,
         }
     }

tilorswift/js/Field.js

@@ -77,7 +77,7 @@ export default class Field
     {
         const position = this.index >= -1
             ? -this.index * this.tileset.getTileWidth()
-            : (this.index % this.tileset.background.tiles) * this.tileset.getTileWidth();
+            : ((this.index + 2) % this.tileset.background.tiles) * this.tileset.getTileWidth();
 
         this.htmlElement.style.backgroundPositionX = String(position) + 'px';
     }

tilorswift/js/Tilorswift.js

@@ -141,6 +141,7 @@ export default class Tilorswift
         } else {
             document.body.style.backgroundImage = 'none';
         }
+
         this.map.innerHTML = '';
         this.map.appendChild(this.level.terrain.getElement());
         this.tilesetPicker.reloadTileset(this.tileset);

tilorswift/js/menu/BackgroundPickerWidget.js

@@ -31,10 +31,13 @@ export default class BackgroundPickerWidget extends Widget
     loadTileset()
     {
         if (this.tileset.background === null) {
+            this.disable();
             this.htmlElement.style.backgroundImage = 'none';
             return;
         }
 
+        this.enable();
+
         for (let t = -2; t >= -this.tileset.background.tiles - 1; t--) {
             console.log(t);
             const button = new ButtonBackgroundTile(this.tileset, t);
@@ -79,7 +82,7 @@ export default class BackgroundPickerWidget extends Widget
 
     setTile(index)
     {
-        this.htmlElement.style.backgroundPosition = String(-this.tileset.getTileWidth() * index) + 'px ' + String(this.tileset.getTileHeight()) + 'px';
+        this.htmlElement.style.backgroundPosition = String(((index + 2) % this.tileset.background.tiles) * this.tileset.getTileWidth()) + 'px ' + String(this.tileset.getTileHeight()) + 'px';
     }
 
     getElement()