private boolean finalizeGBInsertion() {
		if (gb[nParticle].intersects(boundary)) {
			errorReminder.show(ErrorReminder.OUT_OF_BOUND);
			return false;
		}
		if (overlap(gb[nParticle])) {
			errorReminder.show(ErrorReminder.OBJECT_OVERLAP);
			return false;
		}
		return true;
	}