added second frame cache for thumbnails

2022-05-27 19:16:08 -07:00
parent 3d8c0114fb
commit e9404ba869
10 changed files with 64 additions and 67 deletions
@@ -64,6 +64,9 @@ rational TimeScaledObject::SceneToTime(const double &x, const double &x_scale, c

  if (round) {
    rounded_x_mvmt = qRound64(unscaled_time);
+  } else if (unscaled_time < 0) {
+    // "floor" to zero
+    rounded_x_mvmt = qCeil(unscaled_time);
  } else {
    rounded_x_mvmt = qFloor(unscaled_time);
  }