From db5dbe26d8bb9e247870df2792ae28dd936e356d Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Mon, 2 Feb 2015 10:53:23 +0100
Subject: viewer: allow zooming in by one step

---
 viewer/MinedMap.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'viewer')

diff --git a/viewer/MinedMap.js b/viewer/MinedMap.js
index 577421b..d566fff 100644
--- a/viewer/MinedMap.js
+++ b/viewer/MinedMap.js
@@ -35,7 +35,12 @@ var MinedMapLayer = L.GridLayer.extend({
 	},
 
 	_getTileSize: function () {
-		return 512;
+		var map = this._map, zoom = map.getZoom();
+
+		if (zoom > 0)
+			return Math.round(map.getZoomScale(map.getZoom(), 0) * 512);
+		else
+			return 512;
 	},
 
 	_onTileRemove: function (e) {
@@ -69,7 +74,7 @@ window.createMap = function () {
 			center: [0, 0],
 			zoom: 0,
 			minZoom: 0,
-			maxZoom: 0,
+			maxZoom: 1,
 			crs: L.CRS.Simple,
 			maxBounds: [
 				[-512*(info.info.maxZ+1), 512*info.info.minX],
-- 
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