1 files changed, 20 insertions, 7 deletions

diff --git a/env.js b/env.js
index 0b2670f..0ff85f9 100644
--- a/env.js
+++ b/env.js
@@ -117,7 +117,8 @@ var environment = (function(){
       snap.node.addEventListener("touchstart", getFirstTouch( dot_grid.mousedown.bind(dot_grid) ))
       document.addEventListener("touchmove", getFirstTouch( environment.mousemove))
       document.addEventListener("touchend", dot_grid.mouseup.bind(dot_grid) )
-      $("#draw").on("change", environment.check_drawing)
+      $("#draw").on("touchstart", environment.check_drawing)
+      $("#reset").on("touchstart", environment.reset)
     }
     else {
       $(snap.node).on("mousedown", dot_grid.mousedown.bind(dot_grid))
@@ -134,7 +135,11 @@ var environment = (function(){
     use_scale = $("#use_scale").get(0).checked
   }
   environment.check_drawing = function(){
-    drawing = $("#draw").get(0).checked
+    drawing = ! drawing
+    $("#draw").html( drawing ? "drawing" : "playing" )
+  }
+  environment.reset = function(){
+    environment.reset_wires()
   }
   environment.duration = function(){
     duration = parseInt( $("#duration").val() ) || 1000
@@ -192,7 +197,7 @@ var environment = (function(){
   environment.stride = function(e){
     var dx = parseFloat( $("#x").val() )
     var dy = parseFloat( $("#y").val() )
-    environment.reset()
+    environment.reset_strided_wires()
     if (! dx && ! dy) return
     if (dx < 1.1 && ! dy) return
     var x0 = 0, x1 = dx, y0 = 0, y1 = dy
@@ -212,15 +217,21 @@ var environment = (function(){
     }
     while ( y0 < dot_grid.dots.length)
   }
-  environment.reset = function(){
+  environment.reset_strided_wires = function(){
     strided_wires.forEach(function(wire){
       wire.remove()
     })
     strided_wires = []
   }
+  environment.reset_wires = function(){
+    wires.forEach(function(wire){
+      wire.remove(true)
+    })
+    wires.length = 0
+  }
   environment.randomize = function(){
     var n = parseInt( $("#rand").val() )
-    environment.reset()
+    environment.reset_strided_wires()
     var x0, y0, x1, y1
     while (n--) {
       x0 = randint( dot_grid.dots.length )
@@ -471,9 +482,11 @@ var environment = (function(){
     polysynth.triggerAttackRelease(f, d || randrange(1.0, 2.5))
   }
   var last_f = 0
-  Wire.prototype.remove = function(){
+  Wire.prototype.remove = function(dont_splice){
     this.path.remove()
-    wires.splice(wires.indexOf(this), 1)    
+    if (! dont_splice) {
+      wires.splice(wires.indexOf(this), 1)    
+    }
   }
 
   environment.update = function(t){