Revert "fix(track_visualizer): Convert beats to seconds correctly"

This reverts commit de6fc77a1b4becf5841881fa4fb7bd78141d81dc.

1 files changed, 4 insertions, 11 deletions

diff --git a/tools/track_visualizer/index.html b/tools/track_visualizer/index.html
index dea358d..70a5fd8 100644
--- a/tools/track_visualizer/index.html
+++ b/tools/track_visualizer/index.html
@@ -212,18 +212,12 @@
       return { patterns, score };
     }
 
-    // Calculate pattern duration in beats
-    function getPatternDurationBeats(pattern) {
+    // Calculate pattern duration (max beat time)
+    function getPatternDuration(pattern) {
       if (pattern.length === 0) return 4.0; // Default 4 beats
       return Math.max(...pattern.map(e => e.beat)) + 1.0;
     }
 
-    // Convert beats to seconds (120 BPM = 2 beats per second)
-    function beatsToSeconds(beats) {
-      const beatsPerSecond = 2; // 120 BPM
-      return beats / beatsPerSecond;
-    }
-
     // Draw timeline
     function drawTimeline() {
       if (!trackData) return;
@@ -232,7 +226,7 @@
 
       // Find max time for canvas sizing
       const maxTime = score.length > 0
-        ? Math.max(...score.map(s => s.time + beatsToSeconds(getPatternDurationBeats(patterns[s.pattern] || []))))
+        ? Math.max(...score.map(s => s.time + getPatternDuration(patterns[s.pattern] || [])))
         : 60;
 
       // Update canvas size
@@ -253,8 +247,7 @@
       const stackedPatterns = [];
       for (const entry of score) {
         const startTime = entry.time;
-        const durationBeats = getPatternDurationBeats(patterns[entry.pattern] || []);
-        const duration = beatsToSeconds(durationBeats);
+        const duration = getPatternDuration(patterns[entry.pattern] || []);
         const endTime = startTime + duration;
 
         // Find stack level (avoid overlaps)