timeline plugin: negative offset rendering issue

katspaugh · Mar 4, 2022 · 8979c1d · 8979c1d
1 parent 8d33268
commit 8979c1d
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/plugin/timeline/index.js b/src/plugin/timeline/index.js
@@ -371,7 +371,13 @@ export default class TimelinePlugin {
         // build an array of position data with index, second and pixel data,
         // this is then used multiple times below
         const positioning = [];
-        for (i = 0; i < totalSeconds / timeInterval; i++) {
+
+        // render until end in case we have a negative offset
+        const renderSeconds = (this.params.offset < 0)
+            ? totalSeconds - this.params.offset
+            : totalSeconds;
+
+        for (i = 0; i < renderSeconds / timeInterval; i++) {
             positioning.push([i, curSeconds, curPixel]);
             curSeconds += timeInterval;
             curPixel += pixelsPerSecond * timeInterval;