Graphic set preview icons can now be specified

js/GraphicSet.js

@@ -8,6 +8,7 @@ let GraphicSet = [
         backgroundImage: null,
         tilePreview: 5,
         primaryTiles: 8,
+        gravity: 2,
     },
     {
         name: 'Moon',
@@ -18,6 +19,7 @@ let GraphicSet = [
         backgroundImage: 'background_earth.jpg',
         tilePreview: 1,
         primaryTiles: 2,
+        gravity: 0.5,
     },
     {
         name: 'Death Star',
@@ -26,8 +28,9 @@ let GraphicSet = [
         scale: 1,
         backgroundColor: '#171721',
         backgroundImage: null,
-        tilePreview: 1,
+        tilePreview: 3,
         primaryTiles: 6,
+        gravity: 2,
     },
     {
         name: 'Nature 2.0',
@@ -36,8 +39,9 @@ let GraphicSet = [
         scale: 3,
         backgroundColor: '#6096ff',
         backgroundImage: null,
-        tilePreview: 5,
+        tilePreview: 46,
         primaryTiles: 3,
+        gravity: 2,
     }
 ];