1 files changed, 15 insertions, 1 deletions
diff --git a/public/assets/javascripts/rectangles/engine/map/tools/line.js b/public/assets/javascripts/rectangles/engine/map/tools/line.js
index 8f409a8..8fe4fff 100644
--- a/public/assets/javascripts/rectangles/engine/map/tools/line.js
+++ b/public/assets/javascripts/rectangles/engine/map/tools/line.js
@@ -1,3 +1,6 @@
+// This tool lets you define a very simple line between two points.
+// It is used by the BlueprintScaler to specify a sample distance to scale.
+
 var LineTool = MapTool.extend(function(base){
 	var exports = {}
 	
@@ -8,6 +11,17 @@ var LineTool = MapTool.extend(function(base){
 	var can_drag, dragging
 	
 	exports.down = function(e, cursor){
+
+    // rightclick?
+    if (e.ctrlKey || e.which === 3) {
+      cursor.quantize(1/map.zoom)
+      app.router.blueprintView.map.center.a = cursor.x.a
+      app.router.blueprintView.map.center.b = -cursor.y.a
+      cursor.x.b = cursor.x.a
+      cursor.y.b = cursor.y.a
+      return
+    }
+    
 	  this.cursor = cursor
 	  switch (line.length) {
 	    case 0:
@@ -44,6 +58,6 @@ var LineTool = MapTool.extend(function(base){
 	exports.up = function(e, cursor){
 	  can_drag = dragging = false
 	}
-	
+
 	return exports
 })
 \ No newline at end of file