diff --git a/js/grid.js b/js/grid.js
index 47a5207..28a10c1 100644
--- a/js/grid.js
+++ b/js/grid.js
@@ -1,65 +1,47 @@
-var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, privateMap, value) {
-    if (!privateMap.has(receiver)) {
-        throw new TypeError("attempted to set private field on non-instance");
-    }
-    privateMap.set(receiver, value);
-    return value;
-};
-var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, privateMap) {
-    if (!privateMap.has(receiver)) {
-        throw new TypeError("attempted to get private field on non-instance");
-    }
-    return privateMap.get(receiver);
-};
-var _prnt, _tileset, _layers;
 import { Layer } from './layer.js';
 export class Grid {
     constructor(prnt) {
-        _prnt.set(this, void 0);
-        _tileset.set(this, void 0);
-        _layers.set(this, new Map());
-        __classPrivateFieldSet(this, _prnt, prnt);
-        __classPrivateFieldGet(this, _prnt).style.display = 'grid';
+        this.layers = new Map();
+        this.prnt = prnt;
+        this.prnt.style.display = 'grid';
     }
     set_size(x, y) {
-        __classPrivateFieldGet(this, _prnt).style.gridTemplateColumns = `repeat(${x}, 1fr)`;
-        __classPrivateFieldGet(this, _prnt).style.gridTemplateRows = `repeat(${y}, 1fr)`;
+        this.height = y;
+        this.prnt.style.gridTemplateColumns = `repeat(${x}, 1fr)`;
+        this.prnt.style.gridTemplateRows = `repeat(${y}, 1fr)`;
     }
     set_tileset(set) {
-        __classPrivateFieldSet(this, _tileset, set);
-        __classPrivateFieldGet(this, _prnt).style.backgroundImage = `url("images/${__classPrivateFieldGet(this, _tileset)}/land.svg")`;
+        this.tileset = set;
+        this.prnt.style.backgroundImage = `url("images/${this.tileset}/land.svg")`;
         // TODO: Notify layers
     }
     set_layers(layers) {
         const newNames = new Set(layers);
         for (const name of newNames) {
-            if (!__classPrivateFieldGet(this, _layers).has(name)) {
+            if (!this.layers.has(name)) {
                 const layer = new Layer();
-                layer.set_tileset(__classPrivateFieldGet(this, _tileset));
-                __classPrivateFieldGet(this, _layers).set(name, layer);
+                layer.set_tileset(this.tileset);
+                this.layers.set(name, layer);
             }
         }
-        for (const name of __classPrivateFieldGet(this, _layers).keys()) {
+        for (const name of this.layers.keys()) {
             if (!newNames.has(name)) {
                 // TODO: Notify layer to tear down
-                __classPrivateFieldGet(this, _layers).delete(name);
+                this.layers.delete(name);
             }
         }
         for (let i = 0; i < layers.length; i++) {
-            const name = layers[i];
-            const level = i + 1;
-            const layer = __classPrivateFieldGet(this, _layers).get(name);
-            layer.set_level(level);
+            const layer = this.layers.get(layers[i]);
+            layer.set_level(i * this.height);
         }
     }
     add_tile(tile_factory, x, y) {
-        const tile = __classPrivateFieldGet(this, _layers).get(tile_factory.layer_name).add_tile(tile_factory);
+        const tile = this.layers.get(tile_factory.layer_name).add_tile(tile_factory, y);
         // Grids are 1-indexed
         tile.elem.style.gridColumnStart = `${x + 1}`;
         tile.elem.style.gridRowStart = `${y + 1}`;
-        __classPrivateFieldGet(this, _prnt).appendChild(tile.elem);
+        this.prnt.appendChild(tile.elem);
         return tile;
     }
 }
-_prnt = new WeakMap(), _tileset = new WeakMap(), _layers = new WeakMap();
 //# sourceMappingURL=grid.js.map
\ No newline at end of file
diff --git a/js/grid.js.map b/js/grid.js.map
index 4793051..38699ef 100644
--- a/js/grid.js.map
+++ b/js/grid.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"grid.js","sourceRoot":"","sources":["../ts/grid.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,KAAK,EAAE,MAAM,YAAY,CAAC;AAInC,MAAM,OAAO,IAAI;IAMf,YAAY,IAAiB;QAH7B,WAAM,GAAuB,IAAI,GAAG,EAAiB,CAAC;QAIpD,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;QACjB,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,OAAO,GAAG,MAAM,CAAC;IACnC,CAAC;IAED,QAAQ,CAAC,CAAS,EAAE,CAAS;QAC3B,IAAI,CAAC,MAAM,GAAG,CAAC,CAAC;QAEhB,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,mBAAmB,GAAG,UAAU,CAAC,QAAQ,CAAC;QAC1D,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,gBAAgB,GAAG,UAAU,CAAC,QAAQ,CAAC;IACzD,CAAC;IAED,WAAW,CAAC,GAAW;QACrB,IAAI,CAAC,OAAO,GAAG,GAAG,CAAC;QACnB,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,eAAe,GAAG,eAAe,IAAI,CAAC,OAAO,aAAa,CAAC;QAE3E,sBAAsB;IACxB,CAAC;IAED,UAAU,CAAC,MAAgB;QACzB,MAAM,QAAQ,GAAgB,IAAI,GAAG,CAAS,MAAM,CAAC,CAAC;QAEtD,KAAK,MAAM,IAAI,IAAI,QAAQ,EAAE;YAC3B,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,GAAG,CAAC,IAAI,CAAC,EAAE;gBAC1B,MAAM,KAAK,GAAG,IAAI,KAAK,EAAE,CAAC;gBAC1B,KAAK,CAAC,WAAW,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;gBAChC,IAAI,CAAC,MAAM,CAAC,GAAG,CAAC,IAAI,EAAE,KAAK,CAAC,CAAC;aAC9B;SACF;QAED,KAAK,MAAM,IAAI,IAAI,IAAI,CAAC,MAAM,CAAC,IAAI,EAAE,EAAE;YACrC,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,IAAI,CAAC,EAAE;gBACvB,kCAAkC;gBAClC,IAAI,CAAC,MAAM,CAAC,MAAM,CAAC,IAAI,CAAC,CAAC;aAC1B;SACF;QAED,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,MAAM,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YACtC,MAAM,KAAK,GAAG,IAAI,CAAC,MAAM,CAAC,GAAG,CAAC,MAAM,CAAC,CAAC,CAAC,CAAE,CAAC;YAC1C,KAAK,CAAC,SAAS,CAAC,CAAC,GAAG,IAAI,CAAC,MAAM,CAAC,CAAC;SAClC;IACH,CAAC;IAED,QAAQ,CAAC,YAAyB,EAAE,CAAS,EAAE,CAAS;QACtD,MAAM,IAAI,GAAG,IAAI,CAAC,MAAM,CAAC,GAAG,CAAC,YAAY,CAAC,UAAU,CAAE,CAAC,QAAQ,CAAC,YAAY,EAAE,CAAC,CAAC,CAAC;QAEjF,sBAAsB;QACtB,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,eAAe,GAAG,GAAG,CAAC,GAAG,CAAC,EAAE,CAAC;QAC7C,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,YAAY,GAAG,GAAG,CAAC,GAAG,CAAC,EAAE,CAAC;QAC1C,IAAI,CAAC,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;QAEjC,OAAO,IAAI,CAAC;IACd,CAAC;CACF"}
\ No newline at end of file
diff --git a/js/layer.js b/js/layer.js
index e7e9adc..6c255d6 100644
--- a/js/layer.js
+++ b/js/layer.js
@@ -1,33 +1,14 @@
-var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, privateMap, value) {
-    if (!privateMap.has(receiver)) {
-        throw new TypeError("attempted to set private field on non-instance");
-    }
-    privateMap.set(receiver, value);
-    return value;
-};
-var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, privateMap) {
-    if (!privateMap.has(receiver)) {
-        throw new TypeError("attempted to get private field on non-instance");
-    }
-    return privateMap.get(receiver);
-};
-var _level, _tileset;
 export class Layer {
-    constructor() {
-        _level.set(this, void 0);
-        _tileset.set(this, void 0);
-    }
     set_level(level) {
-        __classPrivateFieldSet(this, _level, level);
+        this.level = level;
     }
     set_tileset(tileset) {
-        __classPrivateFieldSet(this, _tileset, tileset);
+        this.tileset = tileset;
     }
-    add_tile(tile_factory) {
-        const tile = tile_factory.build(__classPrivateFieldGet(this, _tileset));
-        tile.elem.style.zIndex = `${__classPrivateFieldGet(this, _level)}`;
+    add_tile(tile_factory, y) {
+        const tile = tile_factory.build(this.tileset);
+        tile.elem.style.zIndex = `${this.level + y}`;
         return tile;
     }
 }
-_level = new WeakMap(), _tileset = new WeakMap();
 //# sourceMappingURL=layer.js.map
\ No newline at end of file
diff --git a/js/layer.js.map b/js/layer.js.map
index 9c48b1c..a8d42df 100644
--- a/js/layer.js.map
+++ b/js/layer.js.map
@@ -1 +1 @@
-{"version":3,"file":"layer.js","sourceRoot":"","sources":["../ts/layer.ts"],"names":[],"mappings":";;;;;;;;;;;;;;AAGA,MAAM,OAAO,KAAK;IAAlB;QACE,yBAAe;QACf,2BAAiB;IAenB,CAAC;IAbC,SAAS,CAAC,KAAa;QACrB,uBAAA,IAAI,UAAU,KAAK,EAAC;IACtB,CAAC;IAED,WAAW,CAAC,OAAe;QACzB,uBAAA,IAAI,YAAY,OAAO,EAAC;IAC1B,CAAC;IAED,QAAQ,CAAC,YAAyB;QAChC,MAAM,IAAI,GAAG,YAAY,CAAC,KAAK,wCAAe,CAAC;QAC/C,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,MAAM,GAAG,GAAG,oCAAW,EAAE,CAAC;QAC1C,OAAO,IAAI,CAAC;IACd,CAAC;CACF"}
\ No newline at end of file
+{"version":3,"file":"layer.js","sourceRoot":"","sources":["../ts/layer.ts"],"names":[],"mappings":"AAGA,MAAM,OAAO,KAAK;IAIhB,SAAS,CAAC,KAAa;QACrB,IAAI,CAAC,KAAK,GAAG,KAAK,CAAC;IACrB,CAAC;IAED,WAAW,CAAC,OAAe;QACzB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAED,QAAQ,CAAC,YAAyB,EAAE,CAAS;QAC3C,MAAM,IAAI,GAAG,YAAY,CAAC,KAAK,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;QAC9C,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,MAAM,GAAG,GAAG,IAAI,CAAC,KAAK,GAAG,CAAC,EAAE,CAAC;QAC7C,OAAO,IAAI,CAAC;IACd,CAAC;CACF"}
\ No newline at end of file
diff --git a/ts/grid.ts b/ts/grid.ts
index 0ff8556..94c9be9 100644
--- a/ts/grid.ts
+++ b/ts/grid.ts
@@ -3,23 +3,26 @@ import { Tile } from './tile.js';
 import { TileFactory } from './tile_factory.js';
 
 export class Grid {
-  #prnt: HTMLElement;
-  #tileset: string;
-  #layers: Map<string, Layer> = new Map<string, Layer>();
+  prnt: HTMLElement;
+  tileset: string;
+  layers: Map<string, Layer> = new Map<string, Layer>();
+  height: number;
 
   constructor(prnt: HTMLElement) {
-    this.#prnt = prnt;
-    this.#prnt.style.display = 'grid';
+    this.prnt = prnt;
+    this.prnt.style.display = 'grid';
   }
 
   set_size(x: number, y: number) {
-    this.#prnt.style.gridTemplateColumns = `repeat(${x}, 1fr)`;
-    this.#prnt.style.gridTemplateRows = `repeat(${y}, 1fr)`;
+    this.height = y;
+
+    this.prnt.style.gridTemplateColumns = `repeat(${x}, 1fr)`;
+    this.prnt.style.gridTemplateRows = `repeat(${y}, 1fr)`;
   }
 
   set_tileset(set: string) {
-    this.#tileset = set;
-    this.#prnt.style.backgroundImage = `url("images/${this.#tileset}/land.svg")`;
+    this.tileset = set;
+    this.prnt.style.backgroundImage = `url("images/${this.tileset}/land.svg")`;
 
     // TODO: Notify layers
   }
@@ -28,35 +31,33 @@ export class Grid {
     const newNames: Set<string> = new Set<string>(layers);
 
     for (const name of newNames) {
-      if (!this.#layers.has(name)) {
+      if (!this.layers.has(name)) {
         const layer = new Layer();
-        layer.set_tileset(this.#tileset);
-        this.#layers.set(name, layer);
+        layer.set_tileset(this.tileset);
+        this.layers.set(name, layer);
       }
     }
 
-    for (const name of this.#layers.keys()) {
+    for (const name of this.layers.keys()) {
       if (!newNames.has(name)) {
         // TODO: Notify layer to tear down
-        this.#layers.delete(name);
+        this.layers.delete(name);
       }
     }
 
     for (let i = 0; i < layers.length; i++) {
-      const name = layers[i];
-      const level = i + 1;
-      const layer = this.#layers.get(name)!;
-      layer.set_level(level);
+      const layer = this.layers.get(layers[i])!;
+      layer.set_level(i * this.height);
     }
   }
 
   add_tile(tile_factory: TileFactory, x: number, y: number): Tile {
-    const tile = this.#layers.get(tile_factory.layer_name)!.add_tile(tile_factory);
+    const tile = this.layers.get(tile_factory.layer_name)!.add_tile(tile_factory, y);
 
     // Grids are 1-indexed
     tile.elem.style.gridColumnStart = `${x + 1}`;
     tile.elem.style.gridRowStart = `${y + 1}`;
-    this.#prnt.appendChild(tile.elem);
+    this.prnt.appendChild(tile.elem);
 
     return tile;
   }
diff --git a/ts/layer.ts b/ts/layer.ts
index ac5305a..b916f2f 100644
--- a/ts/layer.ts
+++ b/ts/layer.ts
@@ -2,20 +2,20 @@ import { Tile } from './tile.js';
 import { TileFactory } from './tile_factory.js';
 
 export class Layer {
-  #level: number;
-  #tileset: string;
+  level: number;
+  tileset: string;
 
   set_level(level: number) {
-    this.#level = level;
+    this.level = level;
   }
 
   set_tileset(tileset: string) {
-    this.#tileset = tileset;
+    this.tileset = tileset;
   }
 
-  add_tile(tile_factory: TileFactory): Tile {
-    const tile = tile_factory.build(this.#tileset);
-    tile.elem.style.zIndex = `${this.#level}`;
+  add_tile(tile_factory: TileFactory, y: number): Tile {
+    const tile = tile_factory.build(this.tileset);
+    tile.elem.style.zIndex = `${this.level + y}`;
     return tile;
   }
 }