Main menu and save function to json file implemented.

tilorswift/js/Tilorswift.js

@@ -0,0 +1,40 @@
+export default class Tilorswift
+{
+    static getTerrainAsJson(terrain)
+    {
+        let matrix = [];
+
+        for (let y = 0; y < terrain.fields.length; y++) {
+            let row = [];
+
+            for (let x = 0; x < terrain.fields[y].length; x++) {
+                row.push(terrain.fields[y][x].index);
+            }
+
+            matrix.push(row);
+        }
+
+        let data = {
+            tileset: terrain.tileset.image.src,
+            tiles: terrain.tileset.tiles,
+            scale: terrain.tileset.scale,
+            rows: terrain.tilesY,
+            columns: terrain.tilesX,
+            backgroundColor: terrain.backgroundColor,
+            matrix: matrix,
+        };
+
+        return JSON.stringify(data);
+    }
+
+    static saveTerrainToFile(terrain)
+    {
+        let json = Tilorswift.getTerrainAsJson(terrain);
+        let download = document.createElement('a');
+
+        download.setAttribute('download', 'terrain.json');
+        download.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(json));
+        download.click();
+        download.remove();
+    }
+}