fix: clamp step degree and gate drum freq

sound_algo/data_only/matrix.scd

@@ -200,6 +200,7 @@ File.exists(~matDir).not.if({ ("mkdir -p " ++ ~matDir.quote).systemCmd });
 // colorAmp x stepVel x volOf; \dur = bar/16; inst/cutoff/pan/mod applied like the overlay.
 ~matColorStepPattern = { |name, vi, color, spec, volOf, instPair, cdPairs|
     var freqRatio = 2 ** (spec[\octave] ? 0);
+    var pitched = [\sub, \acid, \arp, \lead, \stab, \pad, \reese, \bells, \perc, \tom];
     var mod = ~matMod[vi];
     var modPairs = mod.isNil.if({ [] }, {
         var src = mod[\source], tgt = mod[\target], d = mod[\depth];
@@ -211,6 +212,9 @@ File.exists(~matDir).not.if({ ("mkdir -p " ++ ~matDir.quote).systemCmd });
                 { [] })   // amp mod out of scope for v1
         })
     });
+    var freqPair = pitched.includes(name).if({
+        [\freq, Pfunc { |e| (~lpNote.notNil).if({ ~lpNote.(e[\degree], 0).midicps * freqRatio }, { 440 }) }]
+    }, { [] });
     Pbind(*([
         \stepIdx, Pseq((0..15), inf),
         \matGlow, Pfunc { |e|
@@ -220,13 +224,12 @@ File.exists(~matDir).not.if({ ("mkdir -p " ++ ~matDir.quote).systemCmd });
         },
         \type, Pfunc { |e| spec[\steps][e[\stepIdx]].isNil.if({ \rest }, { \note }) },
         \degree, Pfunc { |e| var s = spec[\steps][e[\stepIdx]]; s.isNil.if({ 0 }, { s[\degree] }) },
-        \freq, Pfunc { |e| (~lpNote.notNil).if({ ~lpNote.(e[\degree], 0).midicps * freqRatio }, { 440 }) },
         \amp, Pfunc { |e|
             var s = spec[\steps][e[\stepIdx]];
             ((spec[\amp] ? 1.0) * (s.isNil.if({ 0 }, { s[\vel] }))) * volOf.value },
         \stretch, spec[\stretch],
         \dur, ~matBeatsPerBar / 16
-    ] ++ instPair ++ cdPairs ++ modPairs))
+    ] ++ freqPair ++ instPair ++ cdPairs ++ modPairs))
 };
 
 // -- ~matVariation : map color 1-6 to a Pchain overlay on the captured base --
@@ -485,7 +488,7 @@ File.exists(~matDir).not.if({ ("mkdir -p " ++ ~matDir.quote).systemCmd });
         ((degree == \rest) or: { degree.isNil }).if({
             steps[stepIdx] = nil
         }, {
-            steps[stepIdx] = (degree: degree.asInteger, vel: vel.asFloat.clip(0, 1))
+            steps[stepIdx] = (degree: degree.asInteger.clip(-48, 48), vel: vel.asFloat.clip(0, 1))
         });
         ~matLastColor[vi] = -1;
         (~lp[\matPlaying] and: { ~matApplyBar.notNil }).if({ ~matApplyBar.(~lp[\matBar]) });

sound_algo/data_only/test/test_matrix.scd

@@ -447,6 +447,18 @@ pass = pass and: { ~matPoseBindings[5].size == 1 };
 pass = pass and: { ~matPoseBindings[5][0][\poseId] == \poseA };
 File.delete(~matDir +/+ "pose_grid.matrix");
 
+// --- Clamp: ~matSetStep must clip degree to -48..48 ---
+~matSetStep.(5, 2, 4, 200, 0.5);
+pass = pass and: { ~matColorDefs[5][2][\steps][4][\degree] == 48 };
+~matSetStep.(5, 2, 4, \rest, 0);   // restore
+
+// --- Drum \freq.isNil: stepped kick must NOT emit \freq ---
+~kickVi = ~matVoices.indexOf(\kick);
+~matSetStep.(~kickVi, 2, 0, 3, 0.8);
+~ev = ~matVariation.(\kick, 2, ~kickVi).asStream.next(());
+pass = pass and: { ~ev[\freq].isNil };
+~matColorDefs[~kickVi][2][\steps] = Array.fill(16, nil);   // restore
+
 pass.if(
     { "TEST PASS".postln },
     { "TEST FAIL".postln }

web_realart/public/control/control.js

@@ -495,7 +495,7 @@ function renderSeq(vi) {
         if (e.shiftKey) {
           st2.vel = Math.max(0, Math.min(1, st2.vel + (e.deltaY < 0 ? 0.1 : -0.1)));
         } else {
-          st2.degree += (e.deltaY < 0 ? 1 : -1);
+          st2.degree = Math.max(-48, Math.min(48, st2.degree + (e.deltaY < 0 ? 1 : -1)));
         }
         send("/matrix/step", vi, c, s, st2.degree, st2.vel); saveMatState(); renderSeq(vi);
       });