pan_exp.diff

diff --git a/src/dsp/matrix_node.h b/src/dsp/matrix_node.h
index a728ced..0c953cf 100644
--- a/src/dsp/matrix_node.h
+++ b/src/dsp/matrix_node.h
@@ -705,7 +705,7 @@ struct OutputNode : EnvelopeSupport<Patch::OutputNode>,
 
         mech::scale_by<blockSize>(finalEnvLevel, output[0], output[1]);
 
-        auto pn = panMod + pan + panModNode.level;
+        auto pn = panMod + pan + panModNode.level + voiceValues.panExpression;
         if (pn != 0.f)
         {
             pn = (pn + 1) * 0.5;
diff --git a/src/synth/synth.h b/src/synth/synth.h
index 1cd1e37..a45dd4d 100644
--- a/src/synth/synth.h
+++ b/src/synth/synth.h
@@ -213,6 +213,9 @@ struct Synth
             case CLAP_NOTE_EXPRESSION_BRIGHTNESS:
                 v->voiceValues.mpeTimbre = val;
                 break;
+            case CLAP_NOTE_EXPRESSION_PAN:
+                v->voiceValues.panExpression = -1.0f + 2.0f * val;
+                break;
             default:
                 break;
             }
diff --git a/src/synth/voice.cpp b/src/synth/voice.cpp
index 7695d19..daa2248 100644
--- a/src/synth/voice.cpp
+++ b/src/synth/voice.cpp
@@ -59,6 +59,7 @@ void Voice::attack()
         n.attack();
 
     voiceValues.setGated(true);
+    voiceValues.panExpression = 0.0f;
 }
 
 void Voice::renderBlock()
diff --git a/src/synth/voice_values.h b/src/synth/voice_values.h
index 4b68b76..72c76a6 100644
--- a/src/synth/voice_values.h
+++ b/src/synth/voice_values.h
@@ -51,7 +51,7 @@ struct VoiceValues
     int portaSign{0};
 
     float mpeBendInSemis{0}, mpeBendNormalized{0}, mpeTimbre{0}, mpePressure{0};
-
+    float panExpression{0.0};
     float noteExpressionTuningInSemis{0};
 
     float uniRatioMul{1.0};