message: Camera: fix "non-invertible-matrix" error when clearing state
diff: @@ -67,6 +67,10 @@ class Camera implements ICamera {
  update() {
  const snapshot = this.state as Camera.Snapshot;
  + if (snapshot.radiusMax === 0) {
  + return false;
  + }
  +
  const height = 2 * Math.tan(snapshot.fov / 2) * Vec3.distance(snapshot.position, snapshot.target);
  this.zoom = this.viewport.height / height;
  