From 6b05011c19d274aad88d03ab28b3a3635a746105 Mon Sep 17 00:00:00 2001
From: Jules Laplace <jules@okfoc.us>
Date: Tue, 20 Sep 2016 23:54:36 -0400
Subject: clicking note sets scale

---
 index.html | 35 ++++++++++++++++++++---------------
 1 file changed, 20 insertions(+), 15 deletions(-)

(limited to 'index.html')

diff --git a/index.html b/index.html
index f61b858..d3af9ce 100644
--- a/index.html
+++ b/index.html
@@ -152,33 +152,36 @@ var opts = [
 var scale, scales = []
 var scale_list = document.querySelector("#scale_list")
 
-opts.forEach(function(opt){
+opts.forEach(function(opt, i){
   var s = new Intonation(opt)
   scales.push(s)
   
-  var heading = write( s.name )
   var limit = s.interval == 2 ? s.scale.length : s.scale.length*2
+  s.heading = write( s.name )
   s.div = write( "<span>" + s.range( 0, limit+1).map(function(i){ return i.toFixed(0) }).join("</span> <span>") + "</span>" )
+  s.div.dataset.scale_index = i
   write("&nbsp;")
 
   if (! scale) {
-    scale = s
-    heading.classList.add("active")
-    console.log(s)
-    console.log("scale:", s.name)
+    set_scale(s)
   }
 
-  heading.classList.add("heading")
-  heading.addEventListener("click", function(){
-    var active = document.querySelector(".active")
-    active && active.classList.remove("active")
-    scale = s
-    heading.classList.add("active")
-    console.log(s)
-    console.log("scale:", s.name)
+  s.heading.classList.add("heading")
+  s.heading.addEventListener("click", function(){
+    set_scale(s)
   })
 })
 
+function set_scale (s) {
+  if (scale == s) return
+  var active = document.querySelector(".active")
+  active && active.classList.remove("active")
+  scale = s
+  s.heading.classList.add("active")
+  console.log(s)
+  console.log("scale:", s.name)
+}
+
 var polysynth = new Tone.PolySynth(8, Tone.synth)
 polysynth.set({
   oscillator: { type: "sine" },
@@ -192,11 +195,13 @@ polysynth.set({
 var comp = new Tone.Compressor(-30, 3).toMaster()
 polysynth.connect(comp)
 document.addEventListener("click", function(e){
-  var span = e.currentTarget
+  var span = e.target
   val = span.innerHTML
   if (val && ! val.match(/[^0-9]/)) {
     var freq = parseInt(val)
     play(freq)
+    var div = span.parentNode
+    set_scale( scales[ div.dataset.scale_index ] )
   }
 })
 
-- 
cgit v1.2.3-70-g09d2