dont pick same brush twice

1 files changed, 3 insertions, 3 deletions

diff --git a/js/ui/nopaint.js b/js/ui/nopaint.js
index 0b3c45f..ecfebd1 100644
--- a/js/ui/nopaint.js
+++ b/js/ui/nopaint.js
@@ -73,17 +73,17 @@ var nopaint = (function(){
   nopaint.switch_tool = function(){
     last_tool = nopaint.tool
     last_tool && last_tool.finish()
-    nopaint.tool = nopaint.get_random_tool()
+    nopaint.tool = nopaint.get_random_tool( last_tool )
     nopaint.tool.start( last_tool )
     console.log("> %s", nopaint.tool.type)
   }
   nopaint.add_tool = function(fn){
     nopaint.tools[fn.type] = fn
   }
-  nopaint.get_random_tool = function(){
+  nopaint.get_random_tool = function( last_tool ){
     var n = rand( nopaint.sum )
     for (var i = 0, _len = nopaint.weights.length; i < _len; i++) {
-      if (n < nopaint.weights[i]) {
+      if (n < nopaint.weights[i] && nopaint.keys[i] !== last_tool.key) {
         return nopaint.tools[ nopaint.keys[i] ]
       }
     }