From ddbd3f2ee5baa3466f81171a29148a60f4a82e47 Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Fri, 5 May 2017 17:15:46 +0200
Subject: classes/ZZZES3.sc: Adding convenience functions to add,set,remove
 clocks and constant tones on defined outputs. setClock is also already able
 to switch between speeds using an Envelope over a certain amount of time.

---
 classes/ZZZES3.sc | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 90 insertions(+), 2 deletions(-)

(limited to 'classes')

diff --git a/classes/ZZZES3.sc b/classes/ZZZES3.sc
index 686ad25..6201bfa 100644
--- a/classes/ZZZES3.sc
+++ b/classes/ZZZES3.sc
@@ -1,6 +1,8 @@
 ZZZES3 : ZZZ{
 
-  var out;
+  var out,
+  clocks,
+  vcos;
 
   *new{
     arg channels;
@@ -8,7 +10,9 @@ ZZZES3 : ZZZ{
   }
 
   init{
-    out = Dictionary.new();
+    out = Dictionary();
+    clocks = Dictionary();
+    vcos = Dictionary();
     "Interfacing ZZZ ES-3, using the following channels:".postln;
     (1..8).do({
       arg item, i;
@@ -30,4 +34,88 @@ ZZZES3 : ZZZ{
       ^nil;
     });
   }
+
+  addClock{
+    arg output, freq;
+    if(vcos.at(output).isNil, {
+      if(clocks.at(output).isNil, {
+        clocks.add(output -> Synth(\ZZZClock, [\out, this.out(output), \freq, freq]));
+      },{
+        ("Cannot add clock on output "++ output ++". There is a clock playing.").error;
+      });
+    },{
+      ("Cannot add clock on output "++ output ++". There is a VCO playing.").error;
+    });
+  }
+
+  removeClock{
+    arg output;
+    if(clocks.at(output).notNil, {
+      clocks.at(output).free;
+      clocks.removeAt(output);
+    });
+  }
+
+  setClock{
+    arg output, freq, delta;
+    var currentFreq, diff, env;
+    if(clocks.at(output).notNil, {
+      if(delta.notNil, {
+        clocks.at(output).get(\freq, {
+          arg value;
+          currentFreq = value;
+          diff = (currentFreq-freq).abs;
+          if(currentFreq > freq, {
+            diff = diff*(-1);
+          });
+          env = Env.sine((delta*2), diff).asStream;
+          {
+            (delta*10).do({
+              clocks.at(output).set(\freq, (currentFreq+env.next));
+              0.1.wait;
+            });
+            clocks.at(output).set(\freq, freq);
+          }.fork;
+        });
+      },{
+        clocks.at(output).set(\freq, freq);
+      });
+    });
+  }
+
+  clock{
+    arg output;
+    ^clocks.at(output);
+  }
+
+  addVCO{
+    arg output, mul;
+    if(clocks.at(output).isNil, {
+      if(vcos.at(output).isNil, {
+        vcos.add(output -> Synth(\ZZZConstant, [\out, this.out(output), \mul, mul]));
+      },{
+        ("Cannot add VCO on output "++ output ++". There is a VCO playing.").error;
+      });
+    },{
+      ("Cannot add VCO on output "++ output ++". There is a clock playing.").error;
+    });
+  }
+
+  setVCO{
+    arg output, mul;
+    if(vcos.at(output).notNil, {
+      vcos.at(output).set(\mul, mul);
+    });
+  }
+
+  removeVCO{
+    arg output;
+    vcos.removeAt(output);
+  }
+
+  vco{
+    arg output;
+    ^vcos.at(output);
+  }
+
 }
-- 
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