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fix: sync PADDING_LEFT = barDuration in both WaveformLane and TempoTrackLane

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3dtours
2026-07-25 09:49:15 +07:00
parent 8dc57d4501
commit 7c99fca168
1 changed files with 2 additions and 2 deletions
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app/static/js/app.jsx
+2 -2
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@@ -440,7 +440,7 @@ const WaveformLane = ({
ctx.lineWidth = 1;
const beatDuration = (60.0 / (parseFloat(bpm) || 120));
const barDuration = beatDuration * 4;
const PADDING_LEFT = beatDuration; // 1-beat margin on left
const PADDING_LEFT = barDuration; // 1-bar margin on left
const tStart = scrollLeftVal / zoom - PADDING_LEFT;
const tEnd = (scrollLeftVal + drawWidth) / zoom;
let gridSpacing = 1.0;
@@ -1218,7 +1218,7 @@ const TempoTrackLane = ({
ctx.fillRect(0, 0, drawWidth, height);
const beatDuration = 60 / bpm;
const barDuration = beatDuration * 4;
const PADDING_LEFT = 2; // seconds of empty space on left edge
const PADDING_LEFT = barDuration; // 1-bar margin on left
const tStart = scrollLeftVal / zoom - PADDING_LEFT;
const tEnd = (scrollLeftVal + drawWidth) / zoom;
const firstBeat = Math.floor(tStart / beatDuration) * beatDuration;