sliders is almost interesting

jacobjoaquin · Aug 12, 2010 · 37762fc · 37762fc
1 parent 76a0eb7
commit 37762fc
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Showing 2 changed files with 48 additions and 19 deletions.
diff --git a/examples/sliders/data/synth.csd b/examples/sliders/data/synth.csd
@@ -6,25 +6,42 @@ ksmps = 30
 nchnls = 1
 0dbfs = 1
 
+; Create sine table
 gi_sin ftgen 1, 0, 8192, 10, 1
 
-chn_k "slider_1", 1
-chn_k "slider_2", 1
+; Define chn busses
+chn_k "amp", 1       ; Amplitude
+chn_k "freq", 1      ; Frequency
+chn_k "c", 1         ; Carrier amount
+chn_k "m", 1         ; Modulation amount
+chn_k "index", 1     ; FM Index
+chn_k "lfo_amp", 1   ; LFO amplitude
+chn_k "lfo_rate", 1  ; LFO rate
 
 instr 1
-    idur = p3
-    iamp = p4
+    idur = p3  ; Duration
+    iamp = p4  ; Amplitude
     
-    k1 chnget "slider_1"    
-    k2 chnget "slider_2"
+    ; Read values from chn busses
+    kamp chnget "amp"    
+    kfreq chnget "freq"    
+    kc chnget "c"    
+    km chnget "m"    
+    kindex chnget "index"    
+    klfo_amp chnget "lfo_amp"    
+    klfo_rate chnget "lfo_rate"    
 
-    a1 foscil iamp, 440, 1, k1, k2, gi_sin
+    ; FM Synthesizer
+    klfo oscil 0.5, klfo_rate, gi_sin, 0.75
+    klfo = (klfo + 0.5) * klfo_amp    
+    a1 foscil iamp * kamp, kfreq + kfreq * klfo, kc, km, kindex, gi_sin
     
+    ; Output
     out a1
 endin
 
 </CsInstruments>
 <CsScore>
-i 1 0 [60 * 60 * 24] 0.707
+i 1 0 [60 * 60 * 24] 0.707  ; Turn on instrument 1
 </CsScore>
 </CsoundSynthesizer>
diff --git a/examples/sliders/sliders.pde b/examples/sliders/sliders.pde
@@ -4,27 +4,39 @@ import csoundo.*;
 ControlP5 controlP5;
 Csoundo cs;
 
-float mod = 1;
-float index = 1;
-
 void setup() {
-    size(180, 180);
+    size(550, 220);
     frameRate(30);
     smooth();
 
     controlP5 = new ControlP5(this);
     cs = new Csoundo(this, sketchPath("data/synth.csd"));
     cs.run();
-    cs.setChn("slider_1", mod);
-    cs.setChn("slider_2", index);
-
-    controlP5.addSlider("mod", 1, 4, mod, 30, 40, 40, 100);
-    controlP5.addSlider("index", 0, 3, index, 110, 40, 40, 100);
+
+    // Set default values in Csound chn bus memory
+    cs.setChn("amp", 0.707);
+    cs.setChn("freq", 100);
+    cs.setChn("c", 1.0);
+    cs.setChn("m", 1.0);
+    cs.setChn("index", 1.0);
+    cs.setChn("lfo_amp", 0.0);
+    cs.setChn("lfo_rate", 0.0);
+
+    // Create sliders
+    controlP5.addSlider("amp", 0, 1, 0.707, 40, 40, 40, 120);
+    controlP5.addSlider("freq", 100, 200, 100, 110, 40, 40, 120);
+    controlP5.addSlider("c", 0, 8, 1.0, 180, 40, 40, 120);
+    controlP5.addSlider("m", 0, 8, 1.0, 250, 40, 40, 120);
+    controlP5.addSlider("index", 0, 8, 1.0, 320, 40, 40, 120);
+    controlP5.addSlider("lfo_amp", 0, 1, 0.0, 390, 40, 40, 120);
+    controlP5.addSlider("lfo_rate", 0, 20, 0.0, 470, 40, 40, 120);
 }
 
 void draw() {
     background(0);
+}
 
-    cs.setChn("slider_1", mod);
-    cs.setChn("slider_2", index);
+void controlEvent(ControlEvent e) {
+    // Update chn bus related to ControlEvent
+    cs.setChn(e.controller().name(), e.controller().value());
 }