docs: public void moveLeft(boolean isUnit, boolean isLarge, boolean isVeryLarge) {
  		double inc = isUnit ? this.hbar.getUnitIncrement()
  				: (isLarge ? LARGE_MOVE_FACTOR
  						: (isVeryLarge ? VERY_LARGE_MOVE_FACTOR : STANDARD_MOVE_FACTOR)) * this.hbar.getBlockIncrement();
  		if (!isInvertedAxisX()) {
  			inc = -inc;
  		}
  		this.hbar.setValue(Utils.clamp(this.hbar.getMin(), this.hbar.getValue() + inc, this.hbar.getMax()));
  	}