Fixed render order for image layers

dist/vizicities.js

@@ -8293,7 +8293,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	      }
 	
 	      var mesh = new _three2['default'].Mesh(geom, baseMaterial);
-	      mesh.renderOrder = -2;
+	      mesh.renderOrder = 0;
 	      mesh.rotation.x = -90 * Math.PI / 180;
 	
 	      // TODO: It might be overkill to receive a shadow on the base layer as it's
@@ -10656,7 +10656,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	      localMesh.receiveShadow = true;
 	
 	      mesh.add(localMesh);
-	      mesh.renderOrder = -1;
+	      mesh.renderOrder = 0.1;
 	
 	      mesh.position.x = this._center[0];
 	      mesh.position.z = this._center[1];

src/layer/tile/ImageTile.js

@@ -68,7 +68,7 @@ class ImageTile extends Tile {
     localMesh.receiveShadow = true;
 
     mesh.add(localMesh);
-    mesh.renderOrder = -1;
+    mesh.renderOrder = 0.1;
 
     mesh.position.x = this._center[0];
     mesh.position.z = this._center[1];

src/layer/tile/ImageTileLayer.js

@@ -81,7 +81,7 @@ class ImageTileLayer extends TileLayer {
     }
 
     var mesh = new THREE.Mesh(geom, baseMaterial);
-    mesh.renderOrder = -2;
+    mesh.renderOrder = 0;
     mesh.rotation.x = -90 * Math.PI / 180;
 
     // TODO: It might be overkill to receive a shadow on the base layer as it's