code: public void setActive(boolean active) {
  		if (active == this.active)
  			return;
  
  		this.active = active;
  		if (rayHandler == null)
  			return;
  		
  		if (active) {
  			rayHandler.lightList.add(this);
  			rayHandler.disabledLights.removeValue(this, true);
  		} else {
  			rayHandler.disabledLights.add(this);
  			rayHandler.lightList.removeValue(this, true);
  		}
  	}
docs: Enables/disables this light update and rendering