1 files changed, 16 insertions, 4 deletions

diff --git a/js/ui/nopaint.js b/js/ui/nopaint.js
index 292e83e..bb6641c 100644
--- a/js/ui/nopaint.js
+++ b/js/ui/nopaint.js
@@ -43,6 +43,7 @@ var nopaint = (function(){
   }
   nopaint.undo = function(){
     undo.undo()
+    nopaint.play()
   }
   controls.paint.lex.raw_key = nopaint.raw_key = keys.left_right_key(function(n){
     if (! nopaint.timeout) return
@@ -56,6 +57,8 @@ var nopaint = (function(){
     nopaint.step = 0
   }
   nopaint.play = function(){
+    var state = undo.new()
+    delete state.focus
     nopaint.pause()
     nopaint.switch_tool()
     nopaint.go()
@@ -68,13 +71,10 @@ var nopaint = (function(){
     nopaint.step += 1
   }
   nopaint.switch_tool = function(){
-    var state = undo.new()
-    delete state.focus
     last_tool = nopaint.tool
     last_tool && last_tool.finish()
     nopaint.tool = nopaint.get_random_tool()
     nopaint.tool.start( last_tool )
-    console.log(nopaint.tool.type)
   }
   nopaint.add_tool = function(fn){
     nopaint.tools[fn.type] = fn
@@ -125,6 +125,7 @@ var nopaint = (function(){
     },
     
     start: function(last_brush){
+      this.toggle_channels()
       this.reset( last_brush )
       this.regenerate()
       draw.down({}, null, [this.p.x, this.p.y])
@@ -178,6 +179,17 @@ var nopaint = (function(){
       b.y = this.p.y + randrange(-radius, radius)
       return b
     },
+    
+    toggle_channels: function(){
+      if (Math.random() < 0.01) { controls.bg.use(false) }
+      else if (! brush.draw_bg && Math.random() < 0.25) { controls.bg.use(true) }
+
+      if (Math.random() < 0.2) { controls.fg.use(false) }
+      else if (! brush.draw_fg && Math.random() < 0.5) { controls.fg.use(true) }
+
+      if (Math.random() < 0.05) { controls.char.use(false) }
+      else if (! brush.draw_char && Math.random() < 0.2) { controls.char.use(true) }
+    },
 
     iterate: function( last_brush ){
       this.reorient( last_brush )
@@ -315,7 +327,7 @@ var nopaint = (function(){
         var lex = canvas.get(this.p.x, this.p.y)
         undo.save_lex(lex.x, lex.y, lex)
         lex.fg = rand_hue()
-        lex.bg = colors.black
+        // lex.bg = colors.black
         lex.char = choice(this.chars)
         lex.build()
       }