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fix: brush drawing smooth - track pitch + beat delta

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This commit is contained in:
3dtours
2026-07-26 10:44:37 +07:00
parent fe379c45e2
commit d2993eee69
3 changed files with 20 additions and 9 deletions
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app/static/js/app.jsx
+13 -7
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@@ -5119,7 +5119,8 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot
drawDuration: initialDur,
visitedPitches: snapToScaleRef.current ? [snapPitchToScale(pitch, selectedScaleRef.current)] : [pitch],
initialBeat: start,
initialPitch: snapToScaleRef.current ? snapPitchToScale(pitch, selectedScaleRef.current) : pitch
initialPitch: snapToScaleRef.current ? snapPitchToScale(pitch, selectedScaleRef.current) : pitch,
lastDrawBeat: start
});
// Play the note with SoundFont
if (window.SonicSF) {
@@ -5215,14 +5216,16 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot
}));
}
const snappedPitch = snapToScaleRef.current ? snapPitchToScale(pitch, selectedScaleRef.current) : pitch;
if (!visited.includes(snappedPitch)) {
const newPitches = [...visited, snappedPitch];
const lastDrawBeat = draggedNote.lastDrawBeat !== undefined ? draggedNote.lastDrawBeat : draggedNote.startOffsetBeat;
const minBeatStep = Math.max(0.03125, getSnapDuration(snapVal) * 0.25);
const pitchChanged = !visited.includes(snappedPitch);
const beatChanged = Math.abs(beat - lastDrawBeat) >= minBeatStep;
if (pitchChanged || (beatChanged && visited.length > 0)) {
const brushIds = draggedNote.brushIds || [];
const snappedBeat = getSnapBeat(beat, snapVal);
const newNote = {
id: 'note_' + Date.now() + Math.random().toString(36).substr(2, 8) + '_' + newPitches.length,
id: 'note_' + Date.now() + Math.random().toString(36).substr(2, 8) + '_' + (visited.length + 1),
pitch: snappedPitch,
start_beat: snappedBeat,
start_beat: beat,
duration_beats: getSnapDuration(snapVal),
velocity: brushVelocityRef.current,
pan: 0.0
@@ -5230,7 +5233,10 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot
setNotes(prev => [...prev, newNote]);
setSelectedNoteIds(prev => [...prev, newNote.id]);
draggedNote.brushIds = [...brushIds, newNote.id];
draggedNote.visitedPitches = newPitches;
draggedNote.lastDrawBeat = beat;
if (pitchChanged) {
draggedNote.visitedPitches = [...visited, snappedPitch];
}
}
const container = gridScrollRef.current;
if (container) {