message: fix Canvas3dInteractionHelper.leave
diff: @@ -93,7 +93,7 @@ export class Canvas3dInteractionHelper {
  private leave() {
  this.inside = false;
  - if (Representation.Loci.isEmpty(this.prevLoci)) {
  + if (!Representation.Loci.isEmpty(this.prevLoci)) {
  this.prevLoci = Representation.Loci.Empty;
  this.events.hover.next({ current: this.prevLoci, buttons: this.buttons, button: this.button, modifiers: this.modifiers });
  }
  