Fix ModLfoToVol again

and add interpolation type to snapshot
and add negative multipliers

package.json

@@ -1,6 +1,6 @@
 {
   "name": "SpessaSynth",
-  "version": "3.20.10",
+  "version": "3.20.11",
   "type": "module",
   "scripts": {
     "start": "node src/website/server/server.js"

src/spessasynth_lib/synthetizer/worklet_system/worklet_methods/snapshot.js

@@ -28,6 +28,7 @@
  * @property {ChannelSnapshot[]} channelSnapshots - the individual channel snapshots
  * @property {number} mainVolume - main synth volume (set by MIDI), from 0 to 1
  * @property {number} pan - master stereo panning, from -1 to 1
+ * @property {interpolationTypes} interpolation - the synth's interpolation type
  * @property {SynthSystem} system - the synths system. Values can be "gs", "gm", "gm2" or "xg"
  * @property {number} transposition - the current synth transpositon in semitones. can be a float
  */
@@ -75,7 +76,8 @@ export function sendSynthesizerSnapshot()
         mainVolume: this.midiVolume,
         pan: this.pan,
         transposition: this.transposition,
-        system: this.system
+        system: this.system,
+        interpolation: this.interpolationType
     };
 
     this.post({
@@ -98,6 +100,7 @@ export function applySynthesizerSnapshot(snapshot)
     this.setMasterGain(snapshot.mainVolume);
     this.setMasterPan(snapshot.pan);
     this.transposeAllChannels(snapshot.transposition);
+    this.interpolationType = snapshot.interpolation;
 
     // add channels if more needed
     while(this.workletProcessorChannels.length < snapshot.channelSnapshots.length)

src/spessasynth_lib/synthetizer/worklet_system/worklet_methods/voice_control.js

@@ -108,8 +108,8 @@ export function renderVoice(
         // use modulation multiplier (RPN modulation depth)
         cents += modLfoValue * (modPitchDepth * channel.customControllers[customControllers.modulationMultiplier]);
         // volenv volume offset
-        // the lfo returns from -1 to 1, we change it to 0-1 here because the volume excursion is only positive
-        modLfoCentibels = (modLfoValue / 2 + 0.5) * modVolDepth;
+        // negate the lfo value because audigy starts with increase rather than decrease
+        modLfoCentibels = -modLfoValue * modVolDepth;
         // lowpass frequency
         lowpassCents += modLfoValue * modFilterDepth;
     }

src/website/js/renderer/render_waveforms.js

@@ -43,7 +43,7 @@ export function renderWaveforms()
 
         const relativeX = waveWidth * x;
         const relativeY = waveHeight * y + waveHeight / 2;
-        const multiplier = this.waveMultiplier * waveHeight * this.waveSign;
+        const multiplier = this.waveMultiplier * waveHeight;
 
         // draw
         this.drawingContext.lineWidth = this.lineThickness;

src/website/js/renderer/renderer.js

@@ -86,7 +86,6 @@ class Renderer
         this._normalAnalyserFft = CHANNEL_ANALYSER_FFT;
         this._drumAnalyserFft = DRUMS_ANALYSER_FFT;
         this.waveMultiplier = WAVE_MULTIPLIER;
-        this.waveSign = 1;
 
         /**
          * @type {boolean}

src/website/js/settings_ui/settings_html.js

@@ -21,7 +21,7 @@ export const settingsHtml = `
         <spessarange min='5' max='15' value='10' class='settings_slider' input_id='analyser_fft_slider' units=''></spessarange>
         
         <label translate-path-title='locale.settings.rendererSettings.waveformAmplifier'></label>
-        <spessarange min='1' max='20' value='2' class='settings_slider' input_id='wave_multiplier_slider' units=''></spessarange>
+        <spessarange min='-10' max='10' value='2' class='settings_slider' input_id='wave_multiplier_slider' units=''></spessarange>
         
         <div class='switch_label'>
             <label for='analyser_toggler' translate-path-title='locale.settings.rendererSettings.toggleWaveformsRendering'></label>